(-)-Epigallocatechin gallate CAS 989-51-5 EGCG(Epigallocatechingallate)
Epigallocatechingallate (EGCG)
CAS NO.: 989-51-5
Alias: 1,2,4-Benzenetricarboxylic 1,2-anhydride 4-chloride~Phthalic anhydride 4-carbonyl chloride~TMAC; Trimellitic anhydride chloride; 4-chloroformylphthalic anhydride; 1,3-dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride; 4-(2,4-dicarboxybenzoyl)oxycarbonylbenzene-1,3-dicarboxylic acid chloride
Appearance: Off-white powder
Specification: EGCG Content≥95%
Packing: Aluminium tin (1Kg/tin), paper drum (25 Kg/drum)
Description: Green Tea-EGCG
Natural antioxidant for food and beverage, additive for cosmetics and daily chemicals, raw material for health products and drugs.
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Item |
Index |
Test results |
|
Properties |
Alike White Powder |
Off-white powder
|
|
Odor and taste |
Characteristics |
Qualified |
|
Mesh number |
NLT 90% through 80 Mesh |
Qualified |
|
Solubility |
Easily soluble in water |
Easily soluble in water |
|
EGCG |
NLT 95% EGCG |
96.6% |
|
Caffeine content |
NMT0.1% |
0.05% |
|
Drying loss |
NMT5.0% |
2.82% |
|
Ignition residue Ash(%) |
NMT0.1% |
0.07% |
|
Arsenic (mg/kg) |
NMT0.5ppm |
Qualified |
| Heavy metal(Pb) |
NMT0.5ppm |
Qualified |
|
Benzene hexachloride |
NMT0.1ppm |
Qualified |
|
DDT |
NMT0.1ppm |
Qualified |
| Total bacterial count |
NMT500cfu/g |
Qualified |
| Saccharomycetes and mould |
NMT100cfu/g |
Qualified |
|
Coliform |
NEGATIVE |
Not detected |
|
Salmonella |
NEGATINE |
Not detected |
|
Shelf life |
2 years if sealed and stored away from direct sun light |
|
|
Conclusion |
Qualified |
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