Black Tea Extract
Botanical Source: Camellia sinensis O. Ktze.
Part Used: Leaf
CAS No.: 84650-60-2
Specification: Theaflavins 40%, 60%;
Polyphenols 25%, 40%.
Descriptions:
Black tea is the most popular tea in the world, during the fermented process, black tea formed more active ingredients and theaflavins. They contain high amounts of Vitamin C, along with calcium, potassium, magnesium, iron, zinc, copper, manganese, and fluoride. They also have more anti-oxidants than green tea, and are anti-viral, anti-spasmodic and anti-allergic. In addition to all of these health benefits, black teas are also less astringent and have a mellower flavor than green or black teas. In a recent Polish study, the frequency of pancreatic cancer declined in relation to an increasing lifetime consumption of black tea.
Functions:
- Anti-cancer activity of doxorubicin and idarubicin;
- Fights against atheroma hardening;
- Anti-coagulant, improves blood consistency;
- Protects injured animals from heart myocytes and brain damage;
- Adjusts blood lipid extraordinarily. On one hand, it can reduce high blood lipids, blood serum cholesterol, triglyceride and content of low- density lipoprotein cholesterol. On the other hand, it can enhance high-density lipoprotein cholesterol;
Analysis Items |
Specifications |
Results |
Methods used |
Identification |
Positive |
Conforms |
TLC |
Appearance |
Orange yellow or reddish brown powder |
Conforms |
Visual test |
Odor & Taste |
Characteristic |
Conforms |
Organoleptic |
Bulk Density |
20-30g/100ml |
Conforms |
ASTM D1895B |
Mesh Size |
98% through 80 Mesh |
Conforms |
AOAC 973.03 |
Solubility |
Good solubility in water and ethanol |
Conforms |
Visual |
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Assay |
NLT Theaflavines 40% |
41.06% |
HPLC |
Caffeine |
2.24% |
Catechins |
26.75% |
Loss on Drying |
NMT 5.0% |
2.71% |
5g /105ºC /2hrs |
Ash Content |
NMT 5.0% |
1.12% |
2g /525ºC /3hrs |
Solvent Residues |
NMT 0.05% |
Conforms |
USP-GC |
Excipients |
None |
Conforms |
/ |
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Heavy Metals |
NMT 10ppm |
Conforms |
Atomic obsorption |
Arsenic (As) |
NMT 1ppm |
Conforms |
Atomic obsorption |
Lead (Pb) |
NMT 1ppm |
Conforms |
Atomic obsorption |
Cadmium (Cd) |
NMT 1ppm |
Conforms |
Atomic obsorption |
Mercury (Hg) |
NMT 1ppm |
Conforms |
Atomic obsorption |
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666 |
NMT 0.1ppm |
Conforms |
USP-GC |
DDT |
NMT 0.5ppm |
Conforms |
USP-GC |
Acephate |
NMT 0.2ppm |
Conforms |
USP-GC |
Methamidophos |
NMT 0.2ppm |
Conforms |
USP-GC |
Parathion-ethyl |
NMT 0.2ppm |
Conforms |
USP-GC |
PCNB |
NMT 0.1ppm |
Conforms |
USP-GC |
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Sterilization Method |
High temperature & pressure for a short time of 5~10 seconds |
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Microbiological Data |
Total Plate Count <1,000cfu/g |
Conforms |
GB 4789.2 |
Total Yeast & Mold <100cfu/g |
Conforms |
GB 4789.15 |
E. Coli o be absent |
Absent |
GB 4789.3 |
Staphylococcus to be absent |
Absent |
GB 4789.10 |
Salmonella to be absent |
Absent |
GB 4789.4 |
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Packed in fiber drum, LDPE bag inside. Net weight: 25kgs/drum. |
Keep tightly sealed, store away from moisture, strong heat and sunlight. |
Shelf Life |
2 years if sealed and stored in the recommended conditions. |
Inspector: |
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Supervisor: |
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Characteristic:
- We can also customize orders as customer's requirements and specifications.
- KINGHERBS' is specialized in manufacturing and exporting different kinds of food industry related goods, such as Inulin (90% or 98%), Myricetin, Sea Buckthorn Oil, Green Coffee Bean Extract Total Chlorogenic Acids, Fenugreek Seed Extract Furostanol Saponins 50% etc.
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