EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes


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CAS Number: 76081-94-2Picture of molecule3D/inchi
FDA UNII: Search
XlogP3-AA:-9.00 (est)
Molecular Weight:666.58194000
Formula:C24 H42 O21
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:cosmetic agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
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US Patents:Search
EU Patents:Search
Pubchem Patents:Search
Physical Properties:
Food Chemicals Codex Listed: No
Soluble in:
 water, 1e+006 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: skin conditioning
skin protecting agents
Changsha Organic Herb
Konjac Flour Extract
Jiangyin Healthway
New functional food ingredients
Maypro Industries
Qingdao Dacon Trading
Safety Information:
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
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
cosmetic agents
Recommendation for glucomannan usage levels up to:
 not for fragrance use.
Recommendation for glucomannan flavor usage levels up to:
 not for flavor use.
Safety References:
European Food Safety Authority (EFSA) reference(s):

Safety of alginate-konjac-xanthan polysaccharide complex (PGX) as a novel food pursuant to Regulation (EC) No 258/97
View page or View pdf

EPI System: View
Daily Med:search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :24892726
National Institute of Allergy and Infectious Diseases:Data
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):24892726
Pubchem (sid):135284543
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
KEGG (GenomeNet):C01810
HMDB (The Human Metabolome Database):Search
VCF-Online:VCF Volatile Compounds in Food
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 found in nature


PubMed:Characterization of glucomannan from Amorphophallus oncophyllus and its prebiotic activity in vivo.
PubMed:Characterization and immunomodulatory activity of polysaccharides derived from Dendrobium tosaense.
PubMed:New Alternatives in Seafood Restructured Products.
PubMed:Daily Feeding of Fructooligosaccharide or Glucomannan Delays Onset of Senescence in SAMP8 Mice.
PubMed:Phase separation in mixtures of ovalbumin and konjac glucomannan: Physicochemical and microscopic investigations.
PubMed:Liver oxidation and inflammation in Fa/Fa rats fed glucomannan/spirulina-surimi.
PubMed:Discovery of LPMO activity on hemicelluloses shows the importance of oxidative processes in plant cell wall degradation.
PubMed:A simple and feasible approach to purify konjac glucomannan from konjac flour--temperature effect.
PubMed:Thermal degradation behavior and kinetic analysis of spruce glucomannan and its methylated derivatives.
PubMed:Physicochemical properties of peanut protein isolate-glucomannan conjugates prepared by ultrasonic treatment.
PubMed:Structure and immunobiological activity of a new polysaccharide from Bletilla striata.
PubMed:Characterization of a new biodegradable edible film made from salep glucomannan.
PubMed:Effects of konjac glucomannan, inulin and cellulose on acute colonic responses to genotoxic azoxymethane.
PubMed:Dissolution and rheological behavior of deacetylated konjac glucomannan in urea aqueous solution.
PubMed:Synergistic degradation of konjac glucomannan by alkaline and thermal method.
PubMed:The effects of feed-borne Fusarium mycotoxins and glucomannan in turkey poults based on specific and non-specific parameters.
PubMed:Effects of ovalbumin glycoconjugates on alleviation of orally induced egg allergy in mice via dendritic-cell maturation and T-cell activation.
PubMed:Konjac glucomannan-induced changes in thiol/disulphide exchange and gluten conformation upon dough mixing.
PubMed:Development of microsatellite markers by transcriptome sequencing in two species of Amorphophallus (Araceae).
PubMed:Characterization, refining and antioxidant activity of saccharides derived from hemicelluloses of wood and rice husks.
PubMed:Mechanical and water barrier properties of agar/κ-carrageenan/konjac glucomannan ternary blend biohydrogel films.
PubMed:Unexplored possibilities of all-polysaccharide composites.
PubMed:Synergetic degradation of konjac glucomannan by γ-ray irradiation and hydrogen peroxide.
PubMed:Optimization of hydrolysis conditions for the production of glucomanno-oligosaccharides from konjac using β-mannanase by response surface methodology.
PubMed:Study on preparation and separation of Konjac oligosaccharides.
PubMed:Changes in skeletal muscle proteolytic gene expression after prophylactic supplementation of EGCG and NAC and eccentric damage.
PubMed:Optimization of adding konjac glucomannan to improve gel properties of low-quality surimi.
PubMed:Effects of feed-borne Fusarium mycotoxins on performance, serum chemistry, and intestinal histology of New Zealand White fryer rabbits.
PubMed:A modified glucomannan mycotoxin-adsorbing agent counteracts the reduced weight gain and diminishes cecal colonization of Salmonella Typhimurium in T-2 toxin exposed pigs.
PubMed:The effect of three gums on the retrogradation of indica rice starch.
PubMed:Structural characterization and properties of konjac glucomannan/curdlan blend films.
PubMed:Patterns of functional enzyme activity in fungus farming ambrosia beetles.
PubMed:Efficacy of cellulase and mannanase hydrolysates of konjac glucomannan to promote the growth of lactic acid bacteria.
PubMed:Structural characterization of a low-molecular-weight heteropolysaccharide (glucomannan) isolated from Artemisia sphaerocephala Krasch.
PubMed:Effect of ultrasound treatment on steady and dynamic shear properties of glucomannan based salep dispersions: optimization of amplitude level, sonication time and temperature using response surface methodology.
PubMed:Effect of polysaccharides on the gelatinization properties of cornstarch dispersions.
PubMed:Comparison of konjac glucomannan digestibility and fermentability with other dietary fibers in vitro.
PubMed:Enzymatic production and characterization of konjac glucomannan oligosaccharides.
PubMed:Konjac glucomannan and inulin systematically modulate antioxidant defense in rats fed a high-fat fiber-free diet.
PubMed:Synergistic action of xylanase and mannanase improves the total hydrolysis of softwood.
PubMed:Effect of non-starch polysaccharides on the in vitro digestibility and rheological properties of rice starch gel.
PubMed:Heteronuclear single-quantum coherence nuclear magnetic resonance (HSQC NMR) characterization of acetylated fir (Abies sachallnensis MAST) wood regenerated from ionic liquid.
PubMed:Effect of three mycotoxin adsorbents on growth performance, nutrient retention and meat quality in broilers fed on mould-contaminated feed.
PubMed:Konjac glucomannan as a carrier material for time--temperature integrator.
PubMed:Effects of molecular characteristics of on konjac glucomannan glass transitions of potato amylose, amylopection and their mixtures.
PubMed:Use of stimulatory agents to enhance the production of bioactive exopolysaccharide from pleurotus tuber-regium by submerged fermentation.
PubMed:Adsorption-desorption properties and characterization of crosslinked Konjac glucomannan-graft-polyacrylamide-co-sodium xanthate.
PubMed:Effects of konjac glucomannan on putative risk factors for colon carcinogenesis in rats fed a high-fat diet.
PubMed:Effects of feed-borne Fusarium mycotoxins and an organic mycotoxin adsorbent on immune cell dynamics in the jejunum of chickens infected with Eimeria maxima.
PubMed:Comparative effects of cellulose and soluble fibers (pectin, konjac glucomannan, inulin) on fecal water toxicity toward Caco-2 cells, fecal bacteria enzymes, bile acid, and short-chain fatty acids.
PubMed:Effects of dietary Fusarium mycotoxins on intestinal lymphocyte subset populations, cell proliferation and histological changes in avian lymphoid organs.
PubMed:Traditional uses and potential health benefits of Amorphophallus konjac K. Koch ex N.E.Br.
PubMed:Effects of feeding diets naturally contaminated with Fusarium mycotoxins on protein metabolism in late gestation and lactation of first-parity sows.
PubMed:Modulation of immunoresponse in BALB/c mice by oral administration of Fag e 1-glucomannan conjugate.
PubMed:Adding chemical cross-links to a physical hydrogel.
PubMed:Study on swelling model and thermodynamic structure of native konjac glucomannan.
PubMed:Introducing capillary electrophoresis with laser-induced fluorescence detection (CE-LIF) for the characterization of konjac glucomannan oligosaccharides and their in vitro fermentation behavior.
PubMed:Viscosity of fiber preloads affects food intake in adolescents.
PubMed:Characterization of the Bacillus subtilis WL-3 mannanase from a recombinant Escherichia coli.
PubMed:Emulsifying power of mannan and glucomannan produced by yeasts.
PubMed:Synthesis and characterization of konjac glucomannan-graft-polyacrylamide via gamma-irradiation.
PubMed:An overview of mannan structure and mannan-degrading enzyme systems.
PubMed:Effects of feeding blends of grains naturally contaminated with Fusarium mycotoxins on performance, hematology, metabolism, and immunocompetence of turkeys.
PubMed:Effect of ultrasound on enzymatic acylation of konjac glucomannan.
PubMed:Respiratory sensitization of a food manufacturing worker to konjac glucomannan.
PubMed:Dietary pulverized konjac glucomannan prevents the development of allergic rhinitis-like symptoms and IgE response in mice.
PubMed:Effects of foodborne Fusarium mycotoxins with and without a polymeric glucomannan mycotoxin adsorbent on food intake and nutrient digestibility, body weight, and physical and clinicopathologic variables of mature dogs.
PubMed:On the specific and unspecific effects of a polymeric glucomannan mycotoxin adsorbent on piglets when fed with uncontaminated or with Fusarium toxins contaminated diets.
PubMed:Effects of feedborne Fusarium mycotoxins on the performance, metabolism, and immunity of dairy cows.
PubMed:Effect of adding exercise to a diet containing glucomannan.
PubMed:Lack of preventive effects of dietary fibers or chlorophyllin against acrylamide toxicity in rats.
PubMed:Protective effect of modified glucomannans and organic selenium against antioxidant depletion in the chicken liver due to T-2 toxin-contaminated feed consumption.
PubMed:Effects of feeding grains naturally contaminated with Fusarium mycotoxins on brain regional neurochemistry of laying hens, turkey poults, and broiler breeder hens.
PubMed:Konjac acts as a natural laxative by increasing stool bulk and improving colonic ecology in healthy adults.
PubMed:Effects of feeding grains naturally contaminated with Fusarium mycotoxins on performance and metabolism of broiler breeders.
PubMed:Effects of feed-borne Fusarium mycotoxins on hematology and immunology of laying hens.
PubMed:Effects of feed-borne Fusarium mycotoxins on hematology and immunology of turkeys.
PubMed:Effects of feeding grains naturally contaminated with Fusarium mycotoxins on hepatic fractional protein synthesis rates of laying hens and the efficacy of a polymeric glucomannan mycotoxin adsorbent.
PubMed:Effects of feeding blends of grains naturally contaminated with Fusarium mycotoxins on performance, metabolism, hematology, and immunocompetence of ducklings.
PubMed:Effects of feeding a blend of grains naturally contaminated with Fusarium mycotoxins on feed intake, metabolism, and indices of athletic performance of exercised horses.
PubMed:A new immunomodulatory function of low-viscous konjac glucomannan with a small particle size: its oral intake suppresses spontaneously occurring dermatitis in NC/Nga mice.
PubMed:The ability of konjac-glucomannan to suppress spontaneously occurring dermatitis in NC/Nga mice depends upon the particle size.
PubMed:Common dietary supplements for weight loss.
PubMed:Effects of feeding blends of grains naturally contaminated with Fusarium mycotoxins on performance and metabolism of laying hens.
PubMed:Nutraceutical resources for diabetes prevention--an update.
PubMed:Effects of feeding blends of grains naturally contaminated with Fusarium mycotoxins on brain regional neurochemistry of starter pigs and broiler chickens.
PubMed:Efficacy of a commercial mycotoxin binder in alleviating effects of ochratoxin A, fumonisin B1, moniliformin and zearalenone in adult mink.
PubMed:Aflatoxin binders II: reduction of aflatoxin M1 in milk by sequestering agents of cows consuming aflatoxin in feed.
PubMed:Mannan transglycosylase: a novel enzyme activity in cell walls of higher plants.
PubMed:Aloe vera: a valuable ingredient for the food, pharmaceutical and cosmetic industries--a review.
PubMed:Effects of feeding blends of grains naturally contaminated with Fusarium mycotoxins on growth and immunological parameters of broiler chickens.
PubMed:[Study on molecular chain morphology and chain parameters of konjac glucomannan].
PubMed:[Studies on the antidiabetic effect of konjac glucomannan with different molecular chains on experimental diabetes mice].
PubMed:Effect of degree of acetylation on gelation of konjac glucomannan.
PubMed:Effects of feeding a blend of grains naturally contaminated with Fusarium mycotoxins on growth and immunological measurements of starter pigs, and the efficacy of a polymeric glucomannan mycotoxin adsorbent.
PubMed:Effects of feeding a blend of grains naturally contaminated with Fusarium mycotoxins on feed intake, serum chemistry, and hematology of horses, and the efficacy of a polymeric glucomannan mycotoxin adsorbent.
PubMed:Effect of dietary fiber on the lipid metabolism and immune function of aged Sprague-Dawley rats.
PubMed:Efficacy of esterified glucomannan to counteract mycotoxicosis in naturally contaminated feed on performance and serum biochemical and hematological parameters in broilers.
PubMed:Effects of feeding a blend of grains naturally contaminated with Fusarium mycotoxins on swine performance, brain regional neurochemistry, and serum chemistry and the efficacy of a polymeric glucomannan mycotoxin adsorbent.
PubMed:Gelation behavior of native and acetylated konjac glucomannan.
PubMed:A glucomannan and chitosan fiber supplement decreases plasma cholesterol and increases cholesterol excretion in overweight normocholesterolemic humans.
PubMed:Glucomannan minimizes the postprandial insulin surge: a potential adjuvant for hepatothermic therapy.
PubMed:Effects of feeding blends of grains naturally contaminated with Fusarium mycotoxins on production and metabolism in broilers.
PubMed:Isolation and structure analysis of a glucomannan from the seeds of Libyan dates.
PubMed:Gelation behaviour of konjac glucomannan with different molecular weights.
PubMed:Influence of esterified-glucomannan on performance and organ morphology, serum biochemistry and haematology in broilers exposed to individual and combined mycotoxicosis (aflatoxin, ochratoxin and T-2 toxin).
PubMed:Cholesterol reduction by glucomannan and chitosan is mediated by changes in cholesterol absorption and bile acid and fat excretion in rats.
PubMed:Characterization of arabinose and ferulic acid rich pectic polysaccharides and hemicelluloses from sugar beet pulp.
PubMed:Adsorption of direct-acting and indirect-acting mutagens by various dietary fibers.
PubMed:Evidence for intermolecular binding between deacetylated acetan and the glucomannan konjac mannan.
PubMed:Degradation of konjac glucomannan by enzymes in human feces and formation of short-chain fatty acids by intestinal anaerobic bacteria.
PubMed:Action of Trichoderma reesei and Aspergillus oryzae esterases in the deacetylation of hemicelluloses.
PubMed:Hemicellulases in the bleaching of chemical pulps.
PubMed:[A clinical study of the use of a combination of glucomannan with lactulose in the constipation of pregnancy].
PubMed:An acetylglucomannan esterase of Aspergillus oryzae; purification, characterization and role in the hydrolysis of O-acetyl-galactoglucomannan.
PubMed:[Bacterial polysaccharides of polymyxan 88A. Basic characteristics and extent of possible uses].
PubMed:[The use of highly purified glucomannan-based fibers in childhood obesity].
PubMed:Molecular transforms of kappa carrageenan and furcellaran from mixed gel systems.
PubMed:Endoglycanase-Catalyzed Degradation of Hemicelluloses during Development of Carnation (Dianthus caryophyllus L.) Petals.
PubMed:The effect of soluble- and insoluble-fibre supplementation on post-prandial glucose tolerance, insulin and gastric inhibitory polypeptide secretion in healthy subjects.
PubMed:Effect of dietary fibre on postprandial thermogenesis.
PubMed:Effect of glucomannan on obese patients: a clinical study.
bulk forming agent consisting of vegetable matter.
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