oxalic acid
ethane-1,2-dioic acid
 
Notes:
a strong dicarboxylic acid occurring in many plants and vegetables. it is produced in the body by metabolism of glyoxylic acid or ascorbic acid. it is not metabolized but excreted in the urine. it is used as an analytical reagent and general reducing agent. Present in many plants and vegetables. Toxin from rhubarb, esp. the leaves but also present in the stems A strong dicarboxylic acid occurring in many plants and vegetables. It is produced in the body by metabolism of glyoxylic acid or ascorbic acid. It is not metabolized but excreted in the urine. It is used as an analytical reagent and general reducing agent. -- Pubchem; Bodily oxalic acid may also be synthesized via the metabolism of either glyoxylic acid or unused ascorbic acid (vitamin C), which is a serious health consideration for long term megadosers of vitamin C supplements. 80% of kidney stones are formed from calcium oxalate. Some Aspergillus species produce oxalic acid, which reacts with blood or tissue calcium to precipitate calcium oxalate. There is some preliminary evidence that the administration of probiotics can affect oxalic acid excretion rates (and presumably oxalic acid levels as well.) -- Wikipedia; Oxalate, the conjugate base of oxalic acid, is an excellent ligand for metal ions. It usually binds as a bidentate ligand forming a 5-membered MO2C2 ring. An illustrative complex is potassium ferrioxalate, K3[Fe(C2O4)3]. The drug Oxaliplatin exhibits improved water solubility relative to older platinum-based drugs, avoiding the dose-limiting side-effect of nephrotoxicity. Oxalic acid and oxalates can be oxidized by permanganate in an autocatalytic reaction.; Oxalic acid (IUPAC name: ethanedioic acid, formula H2C2O4) is a dicarboxylic acid with structure (HOOC)-(COOH). Because of the joining of two carboxyl groups, this is one of the strongest organic acids. It is also a reducing agent. The anions of oxalic acid as well as its salts and esters are known as oxalates. -- Wikipedia; Oxalic acid is an important reagent in lanthanide chemistry. Hydrated lanthanide oxalates form readily in strongly acid solution in a densely crystalline easily filtered form, largely free from contamination by non-lanthanide elements. Lanthanide oxalates figure importantly in commercial processing of lanthanides, and are used to recover lanthanides from solution after separation. Upon ignition, lanthanide oxalates are converted to the oxides, which are the most common form in which the lanthanides are marketed.; Oxalic acid is the chemical compound with the formula H2C2O4. This dicarboxylic acid is better described with the formula HOOCCOOH. It is a relatively strong organic acid, being about 3,000 times as strong as acetic acid. The di-anion, known as oxalate, is also a reducing agent as well as a ligand in coordination chemistry. Many metal ions form insoluble precipitates with oxalate, a prominent example being calcium oxalate, which is the primary constituent of the most common kind of kidney stones.
  • American International Chemical, LLC.
    • American International Chemical, Inc.
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    • Penta International Corporation
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      15-80001 OXALIC ACID PURE, Kosher
       
Synonyms   Articles   Notes   Search
oxalic acid (Click)
CAS Number: 144-62-7Picture of molecule
ECHA EINECS - REACH Pre-Reg: 205-634-3
FDA UNII: 9E7R5L6H31
Nikkaji Web: J2.954H
Beilstein Number: 385686
MDL: MFCD00002573
XlogP3-AA: -0.30 (est)
Molecular Weight: 90.03474000
Formula: C2 H2 O4
BioActivity Summary: listing
NMR Predictor: Predict (works with chrome or firefox)
Category: chelating agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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DG SANTE Food Contact Materials: oxalic acid
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Physical Properties:
Appearance: white crystalline powder (est)
Assay: 98.00 to 100.00 % 
Food Chemicals Codex Listed: No
Melting Point: 189.00 to  190.00 °C. @ 760.00 mm Hg
Boiling Point: 365.00 to  367.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.000230 mm/Hg @ 25.00 °C.
Vapor Density: 4.4 ( Air = 1 )
Flash Point: 371.00 °F. TCC ( 188.33 °C. )
logP (o/w): -2.220
Soluble in:
 water, 1e+006 mg/L @ 25 °C (est)
 water, 2.20E+05 mg/L @ 25 °C (exp)
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Organoleptic Properties:
Odor Strength: none
Odor Description:
at 100.00 %. 
bland mild caramellic
Luebke, William tgsc, (1997)
  
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: chelating agents
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Suppliers:
Allan Chemical
Oxalic Acid
American International Chemical, LLC.
Oxalic Acid
BOC Sciences
For experimental / research use only.
Oxalic Acid >98%
Connect Chemicals
Oxalic Acid anhydrous
Covalent Chemical
Oxalic Acid
Diffusions Aromatiques
ACIDE OXALIQUE
Fuzhou Farwell
Oxalic Acid
Graham Chemical
Oxalic Acid
Kraft Chemical
Oxalic Acid
Penta International
OXALIC ACID PURE, Kosher
Rainbow Chemical
Oxalic Acid 99.6% Min
Rung International
Oxalic Acid
Sigma-Aldrich: Aldrich
For experimental / research use only.
Oxalic Acid ReagentPlus®, ≥99%
Zhong Ya Chemical
Oxalic Acid
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 21/22 - Harmful in contact with skin and if swallowed.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
S 22 - Do not breath dust.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36 - Wear suitable protective clothing.
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-rat LD50  7500 mg/kg
Toxicology and Applied Pharmacology. Vol. 42, Pg. 417, 1977.

intraperitoneal-mouse LD50  270 mg/kg
Toxicology. Vol. 62, Pg. 203, 1990.

oral-dog LDLo  1000 mg/kg
"Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1377, 1935.

unreported-rat LD50  1400 mg/kg
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 50(3), Pg. 57, 1985.

Dermal Toxicity:
subcutaneous-cat LDLo 112 mg/kg
"Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1377, 1935.

subcutaneous-frog LDLo 757 mg/kg
"Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1377, 1935.

Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: chelating agents
Recommendation for oxalic acid usage levels up to:
 not for fragrance use.
 
Recommendation for oxalic acid flavor usage levels up to:
 not for flavor use.
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Safety References:
European Food Safety Authority (EFSA) reference(s):
Scientific Report of EFSA on the risk assessment of salts of authorised acids, phenols or alcohols for use in food contact materials [1]
View page or View pdf
EPI System: View
Daily Med: search
NIOSH International Chemical Safety Cards: search
NIOSH Pocket Guide: search
NLM Hazardous Substances Data Bank: Search
Chemical Carcinogenesis Research Information System: Search
AIDS Citations: Search
Cancer Citations: Search
Toxicology Citations: Search
Env. Mutagen Info. Center: Search
NLM Developmental and Reproductive Toxicity: Search
EPA Substance Registry Services (TSCA): 144-62-7
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 971
National Institute of Allergy and Infectious Diseases: Data
WISER: UN 3261
WGK Germany: 1
 oxalic acid
Chemidplus: 0000144627
EPA/NOAA CAMEO: hazardous materials
RTECS: 144-62-7
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References:
 oxalic acid
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 144-62-7
Pubchem (cid): 971
Pubchem (sid): 134974424
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
CHEBI: View
CHEMBL: View
Golm Metabolome Database: Search
Metabolomics Database: Search
UM BBD: Search
KEGG (GenomeNet): C00209
HMDB (The Human Metabolome Database): HMDB02329
FooDB: FDB003357
Export Tariff Code: 2917.11.0000
Haz-Map: View
Household Products: Search
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Wikipedia: View
RSC Learn Chemistry: View
Formulations/Preparations:
•technical (crystals and powder); chemically pure: a grade designation signifying a minimum of impurities, but not 100% purity. •the commercial product is comprised of white to colorless monoclinic prisms or granules containing 71.42 wt% anhydrous oxalic acid and 28.58 wt% water
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Potential Blenders and core components note
 
None Found
 
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Potential Uses:
 chelating agents 
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Occurrence (nature, food, other): note
 almond seed
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 apple plant
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 arrowleaf elephant ear leaf
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 arrowleaf elephant ear root
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 banana fruit
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 banana leaf
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 bean black bean fruit
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 bean black bean hull husk
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 bean fava bean
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 bean fava bean fruit
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 bean field bean
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 bean field bean fruit
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 bean field bean husk
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 beet root
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 buckwheat leaf
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 cassava root
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 cayenne fruit
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 chickpea
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 chickpea seed
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 chive plant
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 cinnamon ceylon cinnamon bark
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 coffee bean
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 coffee fruit
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 coriander fruit
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 coriander leaf
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 coriander seed
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 corn fruit
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 corn seed
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 cranberry fruit
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 currant black currant fruit
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 currant red currant fruit
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 dandelion leaf
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 date palm seed
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 eggplant fruit
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 elder black elder fruit
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 fenugreek leaf
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 fig fruit
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 fig fruit juice
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 ginger root
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 gooseberry fruit
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 goosefoot plant
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 gourd white gourd fruit
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 grape fruit
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 guava fruit
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 jambul fruit
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 leek wild leek plant
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 lentil seed
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 lettuce leaf
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 lime fruit
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 lupine white lupine seed
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 manderin fruit
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 mango fruit
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 marango fruit
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 marango leaf
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 melon bitter melon fruit
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 mustard greens leaf
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 mustard white mustard seed
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 nance bark
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 oat plant
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 okra fruit
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 onion bulb
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 onion leaf
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 orange fruit
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 parsnip root
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 pea fruit
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 peach plant
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 pepper bell pepper fruit
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 pepper black pepper fruit
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 pepper black pepper seed
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 pineapple fruit
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 pomegranate fruit
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 poppy opium poppy seed
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 potato sweet potato leaf
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 potato sweet potato root
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 potato tuber
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 purslane plant
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 radish root
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 rhubarb leaf
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 rhubarb plant
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 rice seed
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 roselle flower
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 sage plant
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 sesame seed
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 sorrel garden sorrel leaf
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 soybean root
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 soybean seed
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 spearmint leaf
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 spinach leaf
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 star fruit fruit
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 tamarind fruit
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 tamarind leaf
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 tamarind seed
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 taro leaf
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 taro root
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 tea leaf
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 tomatillo fruit
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 tomato fruit
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 wheat fruit
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 wheat seed
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Synonyms   Articles   Notes   Search   Top
Synonyms:
 acidum oxalicum
 ethane-1,2-dioic acid
 ethanedioic acid
 ethanedioic acid (9CI)
 hydrogen oxalate
 oxalicacid
 oxiric acid
Synonyms   Articles   Notes   Search   Top
Articles:
PubMed: Characterization of citrus pectin samples extracted under different conditions: influence of acid type and pH of extraction.
PubMed: The effects of naturally occurring acids on the surface properties of chrysotile asbestos.
PubMed: Bioactivity and phytochemical characterization of Arenaria montana L.
PubMed: Oxalic acid alleviates chilling injury in peach fruit by regulating energy metabolism and fatty acid contents.
PubMed: A novel calcium supplement prepared by phytoferritin nanocages protects against absorption inhibitors through a unique pathway.
PubMed: Pre-anthesis CPPU low dosage application increases 'Hayward' kiwifruit weight without affecting the other qualitative and nutritional characteristics.
PubMed: Preharvest application of oxalic acid increased fruit size, bioactive compounds, and antioxidant capacity in sweet cherry cultivars (Prunus avium L.).
PubMed: Effects of natural acids on surface properties of asbestos minerals and kaolinite.
PubMed: Oxalate-metabolising genes of the white-rot fungus Dichomitus squalens are differentially induced on wood and at high proton concentration.
PubMed: Enhancing the organoleptic and functional properties of jujube by a quick aging process.
PubMed: Protection of Feruloylated Oligosaccharides from Corn Bran against Oxidative Stress in PC 12 Cells.
PubMed: Simple electrochemical sensor for caffeine based on carbon and Nafion-modified carbon electrodes.
PubMed: Sediments in concentrated green tea during low-temperature storage.
PubMed: Chemical characteristics and fractionation of proteins from Moringa oleifera Lam. leaves.
PubMed: Pre-storage application of oxalic acid alleviates chilling injury in mango fruit by modulating proline metabolism and energy status under chilling stress.
PubMed: Effect of ensiling treatment on secondary compounds and amino acid profile of tropical forage legumes, and implications for their pig feeding potential.
PubMed: Development and validation method for the determination of selected tetracyclines in animal medicated feedingstuffs with the use of micellar liquid chromatography.
PubMed: Screening of seeds prepared from retrograded potato starch to increase retrogradation rate of maize starch.
PubMed: The impact of Ca2+ combination with organic acids on green tea infusions.
PubMed: Plums (Prunus domestica L.) are a good source of yeasts producing organic acids of industrial interest from glycerol.
PubMed: Reduction of oxalate levels in tomato fruit and consequent metabolic remodeling following overexpression of a fungal oxalate decarboxylase.
PubMed: Purification and characterization of β-D-xylosidase from Lactobacillus brevis grown on xylo-oligosaccharides.
PubMed: A novel digestion method based on a choline chloride-oxalic acid deep eutectic solvent for determining Cu, Fe, and Zn in fish samples.
PubMed: Ultra-structural mapping of sugarcane bagasse after oxalic acid fiber expansion (OAFEX) and ethanol production by Candida shehatae and Saccharomyces cerevisiae.
PubMed: [Ethylene glycol poisoning--the significance of analytical diagnosis based on reports from Wielkopolska].
PubMed: A comparison of glucose concentration in paired specimens collected in serum separator and fluoride/potassium oxalate blood collection tubes under survey 'field' conditions.
PubMed: Preservation of pears in water in the presence of Sinapis arvensis seeds: a Greek tradition.
PubMed: [Simultaneous determination of 6 antibiotics and metronidazole in acne removal products bt high performance liquid chromatography].
PubMed: Safety evaluation of some wild plants in the New Nordic Diet.
PubMed: Synergism between hydrogen peroxide and seventeen acids against five agri-food-borne fungi and one yeast strain.
PubMed: The effects of Oxazyme on oxalate degradation: results and implications of in vitro experiments.
PubMed: Effect of processing on proximate composition, anti-nutrient status and amino acid content in three accessions of African locust bean (Parkia biglobosa (jacq.) benth.
PubMed: [The evaluation of anti-nutritive components in beer on the example of oxalic acid].
PubMed: Evaluation of soluble oxalates content in infusions of different kinds of tea and coffee available on the Polish market.
PubMed: 2,4-Diamino-6-methyl-1,3,5-triazin-1-ium hydrogen oxalate.
PubMed: Early experience with diverse foods increases intake of nonfamiliar flavors and feeds in sheep.
PubMed: Fast simultaneous determination of traces of Cu(II) and Co(II) in soils and sediments with the luminol/perborate chemiluminescent system.
PubMed: Probiotics and other key determinants of dietary oxalate absorption.
PubMed: Relationships between early experience to dietary diversity, acceptance of novel flavors, and open field behavior in sheep.
PubMed: The role of light in the regulation of ascorbate metabolism during berry development in the cultivated grapevine Vitis vinifera L.
PubMed: Effect of antibrowning agents on browning and intermediate formation in the glucose-glutamic acid model.
PubMed: Postharvest treatments with salicylic acid, acetylsalicylic acid or oxalic acid delayed ripening and enhanced bioactive compounds and antioxidant capacity in sweet cherry.
PubMed: Improved methodology to induce hyperoxaluria without treatment using hydroxyproline.
PubMed: Organic acids associated with saccharification of cellulosic wastes during solid-state fermentation.
PubMed: Biotechnological conversion of waste cooking olive oil into lipid-rich biomass using Aspergillus and Penicillium strains.
PubMed: Photoinduced reduction of divalent mercury in ice by organic matter.
PubMed: A study of calcium intake and sources of calcium in adolescent boys and girls from two socioeconomic strata, in Pune, India.
PubMed: Effect of nitrogen source in the fertilizing solution on nutritional quality of three members of the Portulaca oleracea aggregate.
PubMed: Oxalate decarboxylase: biotechnological update and prevalence of the enzyme in filamentous fungi.
PubMed: Prestorage oxalic acid treatment maintained visual quality, bioactive compounds, and antioxidant potential of pomegranate after long-term storage at 2 degrees C.
PubMed: Determination of non-volatile and volatile organic acids in Korean traditional fermented soybean paste (Doenjang).
PubMed: Organic acid bioavailability from banana and sweet potato using an in vitro digestion and Caco-2 cell model.
PubMed: Oxalic acid-induced modifications of postglycation activity of lysozyme and its glycoforms.
PubMed: Electrocatalytic behaviour of citric acid at a cobalt phthalocyanine-modified screen-printed carbon electrode and its application in pharmaceutical and food analysis.
PubMed: Relationship between grazing lamb growth rate and blood plasma analytes as profiled by gas chromatography with time-of-flight mass spectrometry (GC-TOF/MS).
PubMed: Role of oxate, phytate, tannins and cooking on iron bioavailability from foods commonly consumed in Mexico.
PubMed: Ascorbate metabolism and the developmental demand for tartaric and oxalic acids in ripening grape berries.
PubMed: Can coca leaves contribute to improving the nutritional status of the Andean population?
PubMed: Putative Aspergillus niger-induced oxalate nephrosis in sheep.
PubMed: [Percentage of uric acid calculus and its metabolic character in Dongjiang River valley].
PubMed: Oxalic acid-mediated stress responses in Brassica napus L.
PubMed: [Chemical characterization of the jabuticaba fruits (Myrciaria cauliflora Berg) and their fractions].
PubMed: Combination treatments for killing Escherichia coli O157:H7 on alfalfa, radish, broccoli, and mung bean seeds.
PubMed: Increased protein intake on controlled oxalate diets does not increase urinary oxalate excretion.
PubMed: Repeated quick hot-and-chilling treatments for the inactivation of Escherichia coli O157:H7 in mung bean and radish seeds.
PubMed: Use of dicarboxylic acids to improve and diversify the material properties of porous chitosan membranes.
PubMed: [Contents of tannins and oxalic acid in the selected forest fruits depending on the harvest site].
PubMed: Modulatory effects of N-acetylcysteine on hyperoxaluric manifestations in rat kidney.
PubMed: Supramolecular structure of the casein micelle.
PubMed: Oxalate balance in fat sand rats feeding on high and low calcium diets.
PubMed: Changes of organic acid exudation and rhizosphere pH in rice plants under chromium stress.
PubMed: Obesity-related hypoferremia is not explained by differences in reported intake of heme and nonheme iron or intake of dietary factors that can affect iron absorption.
PubMed: Safety tests and antinutrient analyses of noni (Morinda citrifolia L.) leaf.
PubMed: Type 2A phosphoprotein phosphatase is required for asexual development and pathogenesis of Sclerotinia sclerotiorum.
PubMed: Genome-wide screen for oxalate-sensitive mutants of Saccharomyces cerevisiae.
PubMed: Development and validation of an HPLC confirmatory method for the determination of seven tetracycline antibiotics residues in milk according to the European Union Decision 2002/657/EC.
PubMed: Hyperoxaluria, hypocitraturia, hypomagnesiuria, and lack of intestinal colonization by Oxalobacter formigenes in a cervical spinal cord injury patient with suprapubic cystostomy, short bowel, and nephrolithiasis.
PubMed: Structural elucidation of phototransformation products of azimsulfuron in water.
PubMed: Oxalic acid does not influence nonhaem iron absorption in humans: a comparison of kale and spinach meals.
PubMed: Aluminium leaching using chelating agents as compositions of food.
PubMed: [Simultaneous determination of twenty-one organic acids in food by ion chromatography with eluent autogeneration].
PubMed: Triethylene glycol HO(CH2CH2O)3H.
PubMed: Selection of appropriate organic additives for enhancing Zn and Cd phytoextraction by hyperaccumulators.
PubMed: Comparative analysis of influence of promoters and inhibitors on in vitro available iron using two methods.
PubMed: Ascorbate as a biosynthetic precursor in plants.
PubMed: Inhibitory effect of oxalic acid on bacterial spoilage of raw chilled chicken.
PubMed: Rumex induratus leaves: interesting dietary source of potential bioactive compounds.
PubMed: Calcineurin is required for sclerotial development and pathogenicity of Sclerotinia sclerotiorum in an oxalic acid-independent manner.
PubMed: Improving the bioavailability of nutrients in plant foods at the household level.
PubMed: Oxalate content of cereals and cereal products.
PubMed: Transcriptional and functional analysis of oxalyl-coenzyme A (CoA) decarboxylase and formyl-CoA transferase genes from Lactobacillus acidophilus.
PubMed: The effect of fungicidal treatment on selected quality parameters of barley and malt.
PubMed: Post harvest spoilage of sweetpotato in tropics and control measures.
PubMed: Biodegradation of oxalic acid from spinach using cereal radicles.
PubMed: Tweezing-adsorptive bubble separation. Analytical method for the selective and high enrichment of metalloenzymes.
PubMed: Sclerotinia sclerotiorum: when "to be or not to be" a pathogen?
PubMed: Ascorbate increases human oxaluria and kidney stone risk.
PubMed: Sorption and degradation of azimsulfuron on iron(III)-rich soil colloids.
PubMed: Assessment of oxalate absorption from almonds and black beans with and without the use of an extrinsic label.
PubMed: Fractional magnesium absorption is significantly lower in human subjects from a meal served with an oxalate-rich vegetable, spinach, as compared with a meal served with kale, a vegetable with a low oxalate content.
PubMed: Occurrence and characterization of hypovirulence in the tan sclerotial isolate S10 of Sclerotinia sclerotiorum.
PubMed: An evaluation of the acceptability as forage of some nutritive and antinutritive components and of the dry matter degradation profiles of five species of Ficus.
PubMed: Oxalate reduces calcium availability in the pads of the prickly pear cactus through formation of calcium oxalate crystals.
PubMed: Aqueous photolysis of niclosamide.
PubMed: High-performance liquid chromatographic separation and quantification of citric, lactic, malic, oxalic and tartaric acids using a post-column photochemical reaction and chemiluminescence detection.
PubMed: Kinetics and mechanism of cymoxanil degradation in buffer solutions.
PubMed: Combined impact of pH and organic acids on iron uptake by Caco-2 cells.
PubMed: Improved liquid chromatographic method for determination of organic acids in leaves, pulp, fruits, and rinds of Garcinia.
PubMed: Oxalic acid production from lipids by a mutant of Aspergillus niger at different pH.
PubMed: The relative effects of supplemental dietary calcium and oxalate on urine composition and calcium oxalate relative supersaturation in healthy adult dogs.
PubMed: Phaseolin in vitro pepsin digestibility: role of acids and phenolic compounds.
PubMed: Bioavailability of minerals in legumes.
PubMed: An improved method for production of silica from rice hull ash.
PubMed: Organic acids influence iron uptake in the human epithelial cell line Caco-2.
PubMed: Analysis of glycated and ascorbylated proteins by gas chromatography-mass spectrometry.
PubMed: [Clinico-epidemiologic behavior of urolithiasis in a rural Caribbean region].
PubMed: Effect of domestic processing and cooking methods on total, hcl extractable iron and in vitro availability of iron in spinach and amaranth leaves.
PubMed: Organic acids from leaves, fruits, and rinds of Garcinia cowa.
PubMed: Study of the organic acids composition of quince (Cydonia oblonga Miller) fruit and jam.
PubMed: Development of a CE method to analyze organic acids in dairy products: application to study the metabolism of heat-shocked spores.
PubMed: A novel zwitterionic anthocyanin from evergreen blackberry (Rubus laciniatus Willd.).
PubMed: Determination of the Maillard product oxalic acidmonolysinylamide (OMA) in heated milk products by ELISA.
PubMed: [Nutritional status in adults on an alternative or traditional diet].
PubMed: Phenolic constituents from the lichen Parmotrema stuppeum (Nyl.) Hale and their antioxidant activity.
PubMed: Experience with the [13C2]oxalate absorption test.
PubMed: A simplification of the protein assay method of Ramsay et al. for the quantification of Thiobacillus ferrooxidans in the presence of ferric precipitates.
PubMed: Isolation and identification of nontuberculous mycobacteria from foods as possible exposure sources.
PubMed: Oxidation of spruce wood sawdust by MnO(2) plus oxalate: a biochemical investigation.
PubMed: Determination of tetracycline antibiotics in beef and pork tissues using ion-paired liquid chromatography.
PubMed: Kinetic study of oxalic acid inhibition on enzymatic browning.
PubMed: Determination of inulin in foods.
PubMed: Protein extraction from Atriplex lampa leaves: potential use as forage for animals used for human diets.
PubMed: The effect of rumen adaptation to oxalic acid on selection of oxalic-acid-rich plants by goats.
PubMed: Intestinal hyperabsorption of oxalate in calcium oxalate stone formers: application of a new test with [13C2]oxalate.
PubMed: Simultaneous determination of residual tetracyclines in foods by high-performance liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry.
PubMed: Reduction of some toxicants in Icacina mannii by fermentation with Saccharomyces cerevisiae.
PubMed: Biological detoxification of fungal toxins and its use in plant breeding, feed and food production.
PubMed: Oxalate content of foods and its effect on humans.
PubMed: 2-Chloro-1,4-dimethoxybenzene as a mediator of lignin peroxidase catalyzed oxidations.
PubMed: Low nutritional quality of unconventional tropical crop seeds in rats.
PubMed: Oxalate, citrate, and sulfate concentration in human milk compared with formula preparations: influence on urinary anion excretion.
PubMed: Genetic and dietary influences on urinary oxalate excretion.
PubMed: Conditioned flavour aversions in sheep: the relationship between the dose rate of a secondary plant compound and the acquisition and persistence of aversions.
PubMed: Rapid and simple determination of oxolinic acid and oxytetracycline in the shell of the blue mussel (Mytilus edulis) by high-performance liquid chromatography.
PubMed: An improved HPLC-enzyme-reactor method for the determination of oxalic acid in complex matrices.
PubMed: Quality indices of Jew's mallow and spinach during frozen storage.
PubMed: A comparison of physical properties, oxalate-oxalic acid soluble substances, protein content, and in vitro protein digestibility of the blue-green alga Nostoc commune Vauch. from the Philippines and Japan.
PubMed: The physiological property and function of the electrolyzed-ionized calcium Aquamax on water molecular clusters fractionization.
PubMed: In vitro degradation of oxalic acid by human feces.
PubMed: Effect of dietary rhubarb stalk fiber on the bioavailability of calcium in rats.
PubMed: Nutrient composition of the leaves and flowers of Colocasia esculenta and the fruits of Solanum melongena.
PubMed: Reduction of oxalate content of foods by the oxalate degrading bacterium, Eubacterium lentum WYH-1.
PubMed: The bioavailability of magnesium in spinach and the effect of oxalic acid on magnesium utilization examined in diets of magnesium-deficient rats.
PubMed: Effect of blanching on the content of antinutritional factors in selected vegetables.
PubMed: [Nutrition and osteoporosis: a nutritional analysis of women in postmenopause].
PubMed: Determination of tetracycline antibiotics in animal tissues of food-producing animals by high-performance liquid chromatography using solid-phase extraction.
PubMed: Simple continuous and simultaneous determination of tetracycline residues.
PubMed: [The effect of different food forms on the urine composition and the risk of calcium oxalate stone formation].
PubMed: Isolation, purification, immobilization of oxalate oxidase and its clinical applications.
PubMed: Vitamin B-6 depletion followed by repletion with animal- or plant-source diets and calcium and magnesium metabolism in young women.
PubMed: The effect of fermentation on the nutrient status and on some toxic components of Icacinia manni.
PubMed: Hydrocyanate, oxalate, phytate, calcium and zinc in selected brands of Nigerian cocoa beverage.
PubMed: Calcium bioavailability and its relation to osteoporosis.
PubMed: Determination of organic acids, amino acids and saccharides by high-performance liquid chromatography and a postcolumn enzyme reactor with amperometric detection.
PubMed: Confirmation of oxytetracycline, tetracycline and chlortetracycline residues in milk by particle beam liquid chromatography/mass spectrometry.
PubMed: Simultaneous determination of residual synthetic antibacterials in fish by high-performance liquid chromatography.
PubMed: Matrix solid phase dispersion isolation and liquid chromatographic determination of oxytetracycline in catfish (Ictalurus punctatus) muscle tissue.
PubMed: In vitro studies on interactions of iron salts and complexes with food-stuffs and medicaments.
PubMed: Fatal oxalic acid poisoning from sorrel soup.
PubMed: Improvement of chemical analysis of antibiotics. XVI. Simple and rapid determination of residual pyridonecarboxylic acid antibacterials in fish using a prepacked amino cartridge.
PubMed: Simultaneous determination of oxytetracycline, tetracycline, and chlortetracycline in milk by liquid chromatography.
PubMed: Bioavailability of oxalic acid from spinach, sugar beet fibre and a solution of sodium oxalate consumed by female volunteers.
PubMed: Transient hyperoxaluria after ingestion of chocolate as a high risk factor for calcium oxalate calculi.
PubMed: Analysis of natural coloring matters in food. III. Application of methylation with diazomethane for the detection of lac color.
PubMed: Calcium in the diet: food sources, recommended intakes, and nutritional bioavailability.
PubMed: Intestinal absorption of oxalate by xylitol-treated rats and mice.
PubMed: Acute acid load in recurrent oxalate stone formers.
PubMed: Urinary excretion of orally administered oxalic acid in MYRJ 45-treated NMRI mice.
PubMed: [Effect of an allopurinol/benzbromaron preparation on the composition of urine in a circadian course].
PubMed: Nutritional value and safety in mice of proteins and their admixtures with carbohydrates and vitamin C after heating.
PubMed: A possible role of fish preparation 'Hentak' in urolithiasis in Manipur--an experimental study.
PubMed: Urinary excretion of orally administered oxalic acid in saccharin and o-phenylphenol-fed NMRI mice.
PubMed: Improvement of chemical analysis of antibiotics. VIII. Application of prepacked C18 cartridge for the analysis of tetracycline residues in animal liver.
PubMed: Gas chromatographic determination of oxalic acid in foods.
PubMed: Vitamin C intoxication and hyperoxalemia in chronic hemodialysis patients.
PubMed: Oxalate content of some common Egyptian food stuffs.
PubMed: Absorption kinetics of oxalate from oxalate-rich food in man.
PubMed: Chemical confirmatory tests for ochratoxin A, citrinin, penicillic acid, sterigmatocystin, and zearalenone performed directly on thin layer chromatographic plates.
PubMed: Postprandial hyperoxaluria and intestinal oxalate absorption in idiopathic renal stone disease.
PubMed: [Obtaining protein fractions from commercial sesame cakes (Sesamum indicum)].
PubMed: An epidemiological study of renal lithiasis in gypsies and others in Spain.
PubMed: The speciation of plutonium in foodstuffs and its influence on gut uptake.
PubMed: Relationship of components in wheat bran and spinach to iron bioavailability in the anemic rat.
PubMed: Composition of fruit, vegetable and cereal dietary fibre.
PubMed: [Oxaluria in urinary lithiasis].
PubMed: Coupled-column system for quantitating low levels of aflatoxins.
PubMed: Occurrence of cyclopiazonic acid in peanuts.
PubMed: Production of oxalic acid by some fungi infected tubers.
PubMed: Effects of magnesium deficiency on intratubular calcium oxalate formation and crystalluria in hyperoxaluric rats.
PubMed: [Breeding of a biotype of Myzus persicae sulzer on a synthetic medium. V- Influence of oxalic and gentisic acids on the nutritive value of a synthetic medium].
PubMed: Determination of oxalate in urine using oxalate oxidase: comparison with oxalate decarboxylase.
PubMed: Nickel in food: the role of stainless-steel utensils.
PubMed: Toxins and carcinogens in the environment: an observation in the tropics.
PubMed: [A photometric determination of oxalic acid in plants (author's transl)].
PubMed: [Hyperoxaluria in intestinal and liver diseases].
PubMed: An automated colorimetric method for determining oxalic acid in plant material.
PubMed: Planning diets controlled in oxalic acid content.
PubMed: Determination of oxalic acid in foods.
PubMed: Nutritional value of foods in relation to their oxalic acid content.
PubMed: Brine shrimp (Artemia salina L.) larvae as a screening system for fungal toxins.
PubMed: Studies on fungal nephrotoxicity. 2. Isolation of two nephrotoxic compounds from Penicillium viridicatum Westling: citrinin and oxalic acid.
PubMed: Enzymatic determination of oxalic acid-C14 in plant material.
PubMed: INGESTION OF RHUBARB LEAVES AS CAUSE OF OXALIC ACID POISONING.
PubMed: AN EXPERIMENTAL STUDY OF OXALURIA, WITH SPECIAL REFERENCE TO ITS FERMENTATIVE ORIGIN.
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