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GMP Certified Natural 20% Theaflavin 40% Theaflavin Green TeaExtract
Product Description
Active Ingredient: EGCG(Epigallocatechin gallate)
Molecular Formula: C22H18O11
CAS R. N.:84650-60-2
Purity: 50%, 75%, 80%, 98%.
Extract Source: Green Tea
It is found in high content in the dried leaves of white tea (4245 mg per 100 g), green tea (7380 mg per 100 g) and, in smaller quantities, black tea. During black tea production, the catechins are mostly converted to theaflavins and thearubigins via polyphenol oxidases.
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Analysis Contents |
Specification | Analysis Results |
| Extract Solvents: | 50% alcohol | Conformed |
| Identification(TLC): | Positive | Positive |
| Particle Size: | 80 mesh | 80-100 mesh |
| Appearance: | White to yellow crystalline powder | Conformed |
| Odor: | Characteristic | Conformed |
| Taste: | Characteristic | Conformed |
| Loss on Drying: | 5% max. | 3.07%(at 105ºC 2 hours) |
| Heavy Metals : | 10ppm max | < 10ppm |
| Arsenic: | 2ppm max. | < 10ppm |
| Residual Solvent: | NMT 50ppm | Conformed |
| Carriers Used: | None | Conformed |
| Pesticides: | 5ppm max. | None detected |
| Microbiology: | ||
| Total bacterial counting: | 1000/g max. | 115 /g |
| Yeast & Mold: | 100/g max. | 25 /g |
| E. Coil: | None detectable | None detectable |
| Salmonella: | None detectable | None detectable |
| Aflatoxins: | NMT 0.2ppb | Absent |
Applications:
1. Food field: natural antioxidant, antistaling agent, and anti-fading agents.
2. Cosmetics and daily chemical addiitive
3. Pharmaceutical field: raw material of subsidiary, healthcare medecine.
Storage: Stored at low temperature in a well-closed container away from moisture and sunlight.
Shelf Life: 2 years if sealed and stored in the recommended conditions.