Customization: | Available |
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Certification: | ISO, HACCP, Kosher, Halal |
Assay Method: | HPLC, UV, Tlc |
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White tea extract is one of the six traditional teas in China - white tea as raw material extraction products, rich in tea polyphenols, flavonoids and other substances. Its main components are theechins (flavanols), phenolic acids, flavonols, phenolic acids and so on, among which catechins account for 65% ~ 80% of the total amount of tea polyphenols. As an antioxidant, tea polyphenols can be used in meat processing, fat storage and baking food, dairy products and beverage preparation. As a preservative, it can slow down the biochemical activities of fruits and vegetables after picking and delay the later ripening stage. It can prevent natural pigments (such as carotene, chlorophyll, vitamin B2 and carmine, etc.) from fading by photooxidation. White tea extract has the pharmacological activities of curing measles, brightening eyesight, anti-cancer, anti-tumor, anti-mutation, anti-bacterial, anti-oxidation, anti-radiation, reducing blood sugar, protecting liver and liver, eliminating fatigue, reducing weight, regulating immune function and so on.
Item | Specification | Results | Methods |
Marker Compound | 10:1 | Conform | TLC |
Appearance & Color | brown color | Conform | GB5492-85 |
Odor & Taste | Characteristic | Conform | GB5492-85 |
Plant Part Used | Leaf | Conform | |
Mesh Size | 80 | 100% | GB5507-85 |
Loss on Drying | ≤5.0% | 2.32% | GB5009.3 |
Ash Content | ≤5.0% | 4.26% | GB5009.4 |
Solvent Residue | Negative | Conform | GC |
Heavy Metals | |||
Total Heavy Metals | ≤10ppm | <3.0ppm | AAS |
Arsenic (As) | ≤1.0ppm | <0.1ppm | AAS(GB/T5009.11) |
Lead (Pb) | ≤1.5ppm | <0.5ppm | AAS(GB5009.12) |
Cadmium | <1.0ppm | Not Detected | AAS(GB/T5009.15) |
Mercury | ≤0.1ppm | Not Detected | AAS(GB/T5009.17) |
Microbiology | |||
Total Plate Count | ≤5000cfu/g | Conform | GB4789.2 |
Total Yeast & Mold | ≤300cfu/g | Conform | GB4789.15 |
E. Coli | ≤40MPN/100g | Not Detected | GB/T4789.3-2003 |
Salmonella | Negative in 25g | Not Detected | GB4789.4 |
Staphylococcus | Negative in 10g | Not Detected | GB4789.1 |
Packing and Storage | 25kg/drum Inside: Double-deck plastic bag, outside: Neutral cardboard barrel & Leave in the shady and cool dry place | ||
Shelf Life | 3 Year When Stored properly | ||
Expiration Date | 3 Years |