epigallocatechin gallate
L-epigallocatechin gallate
 
Notes:
antimutagen in green tea (camellia sinensis); a steroid 5alpha-reductase inhibitor. Present in black tea and green tea (Thea sinensis) Epigallocatechin gallate (EGCG) is the principal catechin in tea from Camellia sinensis, the most consumed beverage worldwide (after water). Depending on brew time and temperature, a single cup of green tea may contain 100-200 mg EGCG.
  • O'Laughlin Industries
    • O'Laughlin Industries Inc.
      Manufacturer of Aroma
      Leading the Flavor and Fragrance Industry since 1980.
      O'Laughlin was established in 1980 by its owner and chief executive Michael O'Laughlin, when he moved to Beijing, China and established a small office. Since then it has grown to be a world class producer of chemicals, with significant production facilities in China, and distribution and sales in all major world markets.
      Email: Sales
      US Email: Joe Schreiber
      Voice: (852) 2527-1031
      Fax: (852) 2529-0231
      US Voice: (973) 376-4600
      US Fax: (973) 376-4630
      Product(s):
      774-7142 EGCG Natural 90
       
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[(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate (Click)
CAS Number: 989-51-5Picture of molecule
Other: 863-65-0
FDA UNII: BQM438CTEL
Nikkaji Web: J134.058A
Beilstein Number: 3658838
MDL: MFCD00075940
XlogP3: 1.20 (est)
Molecular Weight: 458.37666000
Formula: C22 H18 O11
BioActivity Summary: listing
NMR Predictor: Predict (works with chrome or firefox)
Category: antioxidants
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
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Physical Properties:
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Melting Point: 222.00 to  224.00 °C. @ 760.00 mm Hg
Boiling Point: 909.00 to  910.00 °C. @ 760.00 mm Hg (est)
Flash Point: 608.00 °F. TCC ( 320.00 °C. ) (est)
logP (o/w): 0.639 (est)
Soluble in:
 water, 32.77 mg/L @ 25 °C (est)
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Organoleptic Properties:
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: antioxidants
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Suppliers:
BOC Sciences
For experimental / research use only.
Epigallocatechin Gallate
Odor: characteristic
Use: EGCG, also called Epigallocatechin gallate, under the IUPAC name [(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate,
EMD Millipore
For experimental / research use only.
(–)-epiGallocatechin Gallate
ExtraSynthese
For experimental / research use only.
(-)-Epigallocatechin gallate (HPLC) ≥98%
Givaudan
Inoveol® EGCG
Odor: characteristic
Use: Green tea benefits from a long term botanical tradition in Asia due to its fantastic preventive and protective effects on health. EGCG (EpigalloCatechin Gallate) is one of green tea most active molecule. Inoveol® EGCG is a new cosmetic dedicated form of EGCG: highly water soluble, stabilised and purified, this molecular sponge captures free radicals, detoxifies and prevents ageing.
Nacalai USA
For experimental / research use only.
(-)-epiGallocatechin Gallate
O'Laughlin Industries
EGCG Natural 90
Sigma-Aldrich
For experimental / research use only.
(-)-Epigallocatechin Gallate
analytical standard
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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
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-mouse LD50  2170 mg/kg
Kiso to Rinsho. Clinical Report. Vol. 21, Pg. 4601, 1987.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: antioxidants
Recommendation for epigallocatechin gallate usage levels up to:
 not for fragrance use.
 
Recommendation for epigallocatechin gallate 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
AIDS Citations: Search
Cancer Citations: Search
Toxicology Citations: Search
Env. Mutagen Info. Center: Search
NLM Developmental and Reproductive Toxicity: Search
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 65064
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 2
 [(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
Chemidplus: 0000989515
RTECS: KB5200000 for cas# 989-51-5
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References:
 [(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 65064
Pubchem (sid): 135021682
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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): C09731
HMDB (The Human Metabolome Database): HMDB03153
FooDB: FDB017702
MedlinePlusSupp: View
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
 grape
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 pomegranate fruit juice
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 pomegranate leaf
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 star fruit
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 tea black tea
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 tea green tea
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 tea leaf
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 tea shoot
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Synonyms:
 benzoic acid, 3,4,5-trihydroxy-, (2R,3R)-3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-yl ester
(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl 3,4,5-trihydroxybenzoate
[(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)chroman-3-yl 3,4,5-trihydroxybenzoate
[(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)chroman-3-yl] 3,4,5-trihydroxybenzoate
 EGCG
(-)-epigallocatechin 3-gallate
epigallocatechin 3-gallate
(-)-epigallocatechin 3-O-gallate
(-)-epigallocatechin gallate
L-epigallocatechin gallate
epigallocatechin-3-monogallate
(-)-epigallocatechin-3-o-gallate
(-)-epigallocatechol gallate
 tea catechin
 teavigo
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Articles:
PubMed: Astringency is a trigeminal sensation that involves the activation of G protein-coupled signaling by phenolic compounds.
J-Stage: Human Serum Albumin as an Antioxidant in the Oxidation of (-)-Epigallocatechin Gallate: Participation of Reversible Covalent Binding for Interaction and Stabilization
PubMed: The impact of packaging materials on the antioxidant phytochemical stability of aqueous infusions of green tea (Camellia sinensis) and yaupon holly (Ilex vomitoria) during cold storage.
PubMed: Phenolic metabolites from honeybush tea (Cyclopia subternata).
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