equol
(S)-3,4-dihydro-3-(4-hydroxyphenyl)-2H-1-benzopyran-7-ol
 
Notes:
Equol is a metabolite of daidzein, a phytoestrogen common in the human diet and abundant in soy. Intestinal bacteria in humans can reduce daidzein to equol, and can be found in normal human urine. The clinical effectiveness of soy isoflavones may be a function of the ability to biotransform soy isoflavones to the more potent estrogenic metabolite, equol, which may enhance the actions of soy isoflavones, owing to its greater affinity for estrogen receptors, unique antiandrogenic properties, and superior antioxidant activity. However, not all individuals consuming daidzein produce equol. Only approximately one-third to one-half of the population is able to metabolize daidzein to equol. This high variability in equol production is presumably attributable to interindividual differences in the composition of the intestinal microflora, which may play an important role in the mechanisms of action of isoflavones. (PMID: 17579895, 17579894) [HMDB]
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(3S)-3-(4-hydroxyphenyl)-3,4-dihydro-2H-chromen-7-ol (Click)
CAS Number: 531-95-3Picture of molecule
ECHA EINECS - REACH Pre-Reg: 208-522-2
FDA UNII: 2T6D2HPX7Q
Nikkaji Web: J14.375H
MDL: MFCD00200962
XlogP3-AA: 3.00 (est)
Molecular Weight: 242.27418000
Formula: C15 H14 O3
NMR Predictor: Predict (works with chrome or firefox)
Category: antioxidants, hair conditioning, skin conditioning
 
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Physical Properties:
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Soluble in:
 water, 72.3 mg/L @ 25 °C (est)
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Organoleptic Properties:
  
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: antioxidants
hair conditioning
skin conditioning
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Suppliers:
Santa Cruz Biotechnology
For experimental / research use only.
(S)-Equol ≥98%
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Safety Information:
Preferred SDS: View
 
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:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: antioxidants, hair conditioning, skin conditioning
Recommendation for equol usage levels up to:
 not for fragrance use.
 
Recommendation for equol flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
ClinicalTrials.gov: search
Chemical Carcinogenesis Research Information System: Search
Cancer Citations: Search
Toxicology Citations: Search
NLM Developmental and Reproductive Toxicity: Search
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 91469
National Institute of Allergy and Infectious Diseases: Data
 (3S)-3-(4-hydroxyphenyl)-3,4-dihydro-2H-chromen-7-ol
Chemidplus: 0000531953
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References:
 (3S)-3-(4-hydroxyphenyl)-3,4-dihydro-2H-chromen-7-ol
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 91469
Pubchem (sid): 135048637
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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
KEGG (GenomeNet): C14131
HMDB (The Human Metabolome Database): HMDB02209
FooDB: FDB021824
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Wikipedia: View
RSC Learn Chemistry: View
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Potential Blenders and core components note
 
None Found
 
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Potential Uses:
None Found
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Occurrence (nature, food, other): note
 found in nature
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Synonyms:
2H-1-benzopyran-7-ol, 3,4-dihydro-3-(4-hydroxyphenyl)-, (3S)-
3,4-dihydro-3-(4-hydroxyphenyl)-(S)-2H-1-benzopyran-7-ol
(S)-3,4-dihydro-3-(4-hydroxyphenyl)-2H-1-benzopyran-7-ol
S-equol
(3S)-3-(4-hydroxyphenyl)-3,4-dihydro-2H-chromen-7-ol
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