????? ????
|
|
????? ???? ??
- ???
- 257-258°C
- ??
- -182～-194°(D/20℃)(c=0.2,CH3OH)
- ?? ?
- 861.7±65.0 °C(Predicted)
- ??
- 1.80±0.1 g/cm3(Predicted)
- ?? ??
- 2-8°C
- ???
- ???(?? ???), DMSO(?? ???), ???(?? ???)
- ??? ??
- ??
- ??? ??
- ??? ??
- ?? ?? (pKa)
- 7.75±0.25(Predicted)
- ??
- ???? ?????
- ???? ??
- green tea
- ???
- ?, ???, DMSO, ???? ?????.
- ???
- ???
- ?? ??
- ????
???, ??? ?? ? ?? ??
- InChI
- 1S/C22H18O10/c23-11-6-14(25)12-8-19(32-22(30)10-4-16(27)20(29)17(28)5-10)21(31-18(12)7-11)9-1-2-13(24)15(26)3-9/h1-7,19,21,23-29H,8H2/t19-,21-/m1/s1
- InChIKey
- LSHVYAFMTMFKBA-TZIWHRDSSA-N
- SMILES
- Oc1cc(O)c2C[C@@H](OC(=O)c3cc(O)c(O)c(O)c3)[C@H](Oc2c1)c4ccc(O)c(O)c4
- LogP
- 2.670 (est)
- CAS ??????
- 1257-08-5(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ????? | 24/25 | ||
|---|---|---|---|
| WGK ?? | 3 | ||
| RTECS ?? | DH9030000 | ||
| F ?????? | 10-23 | ||
| HS ?? | 29329990 | ||
| ???? ??? | 11 - Combustible Solids | ||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
????? ???? C??? ??, ??, ??
??? ??
White powder??
(-)-Epicatechin gallate is polyphenols which are abundant in green and black teas. (-)-Epicatechin gallate (ECG) is a natural catechin with a single galloyl group. The hydroxyl groups of ECG contribute to its potent antioxidant activity and facilitate the killing of methicillin-resistant strains of S. aureus.??
ChEBI: A gallate ester obtained by formal condensation of the carboxy group of gallic acid with the (3R)-hydroxy group of epicatechin. A natural product found in Parapiptadenia rigida.?? ??
()-Epicatechin gallate is one of the major polyphenols present in green tea. It belongs to the catechin gallates group of organic compounds. ECG has a chemical structure like that of ()-epigallocatechin gallate (EGCG), the other major polyphenol found in green tea.????? ???? ?? ?? ? ???
???
?? ??
????? ???? ?? ??
???( 477)?? ??
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