Customization: | Available |
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Certification: | BRC, ISO, HACCP |
Assay Method: | HPLC, UV |
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Product Description:
Product Name: Black Tea Extract
Botanical Name: Camellia sinensis L.
Part Used: Leaf
Appearance: Orange yellow fine powder
Specification: 50%, 60%Theaflavin
CAS No:4670-05-7
Test Method: HPLC
Black tea is the most popular tea in the world. It is the tea most widely used in making iced tea and English tea. 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, sodium, 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. Perfect for drinking throughout the day, and also suitable for all ages.
Theaflavins is made from tea with the pharmacological effects of compounds have good biological activity, such as antioxidant, preventing dental caries and cancer anticancer, antibacterial, antiviral, regulating blood lipid, the effect of prevention of cardiovascular disease, and non-toxic side effects.
Analysis |
Specification |
Results |
Assay |
4:1 |
Complies |
Appearance |
Brown yellow powder |
Complies |
Ash |
≤10.0% |
8.1% |
Moisture |
≤8.0% |
4.5% |
Heavy metals |
≤10ppm |
Complies |
Odor |
Characteristic |
Complies |
Taste |
Characteristic |
Complies |
Particle size |
100% through 80 mesh |
Complies |
Loss on drying |
≤5.0% |
3.17% |
Pesticide residue |
Negative |
Negative |
Microbioiogical: |
||
Total of bacteria |
≤10000cfu/g |
Complies |
Fungi |
≤1000cfu/g |
Complies |
Salmgosella |
Negative |
Complies |
Coli |
Negative |
Complies |