Black Tea Extract, Theaflavin

Product name: Black Tea Extract, Theaflavin

Theaflavin is a polymer formed by oxidation of the flavanol monomer in tea catechins. It is a phenolic compound with a large aromatic ring as the main component and has strong biological activity. It is known as "gold in tea"

Brand:Yongyuan Bio.
Black Tea Extract is one of Yongyuan Bio’s hot sell products, had been exported to the United States, Korea, Germany, Indonesia, Thailand, Australia and other countries, our product quality is stable, with delicate tea fragrance, Customer 100% satisfaction, zero return. We have Black Tea Extract available all the year around, MOQ:1kg.
 
Latin name: Camellia sinensis O. Ktze.
Part Used:Leaf
Specification: 20%, 40% 60% Theaflavins, 10:1
Appearance: Brown fine powder
Test Method:HPLC/TLC
Molecular Formula:  C₂₉H₂₄ O₁₂
Molecular Weight: 516.5
CAS: 4670-05-7
Black Tea Exatract Description: Camellia sinensis L. is called "black tea". During the processing of black tea, a chemical reaction centered on enzyme catalyzed oxidation of tea polyphenols, the chemical composition of fresh leaves changes greatly. The tea polyphenols were reduced by more than 90%, resulting in new components of theaflavins and theaflavins. Black tea has strong antibacterial ability, gargle with black tea can prevent the cold caused by filtration virus, and prevent tooth decay and food poisoning, reduce blood sugar and blood pressure. Black tea has special flavor and health care function due to its unique active substance, theaflavins. It is also the only landmark index to identify black tea.
Black Tea Exatract Function: Eliminate free radicals, anti aging, anti radiation, inhibit cancer cells, antibacterial, bactericidal. 
Black Tea Exatract Main application:
Tea polyphenols have strong antioxidant activity, the antioxidant capacity is 4-6 times of synthetic antioxidants BHT, BHA, 6-7 times VE, 5-10 times VC, and less consumption: 0.01-0.03% can take effect, has no potential side effects of synthetic compounds; and catechin has a protective effect on the pigment and food vitamins, keep the original color and nutrition of the food for a long time, can effectively prevent the corruption of food and oil, and can eliminate the odor. In fact, many effects of tea are due to the effect of tea polyphenols in tea. Tea polyphenols can be used for preservative and antiseptic, nontoxic side effects and safe to eat, the antiseptic effect is better if use phytic acid at the same time. The tea can be preserved for a long time without deterioration, which is the other leaves, vegetable leaves, and flowers are unable to reach. Tea polyphenols can be added to other organic compounds (mainly food), which can prolong storage period, prevent food fading, improve cellulose stability, and effectively protect various nutritional components of foods.
Storage: Store in sealed containers at cool & dry place. Protect from light, moisture and pest infestation
Shelf life: 2 year when properly stored.
Packing:25KG/Drum, Or according to customer requirements.
We specialized in  manufacture and export of herbal extract with high quality and competitive price.
If you have any questions, welcome to contact me by sending email to yysale2@herbalextractcn.com 

Black Tea Exatract Theaflavins Nutrition Facts label:

 
The difference between black tea extract and Pu'er tea extract:
 
1. Different types. Black tea belongs to basic tea. The basic tea categories include green tea, black tea, green tea, yellow tea, white tea and black tea. Pu'er tea is a kind of reprocessed tea. Pu'er tea is made of sun-dried green tea (green tea) and processed by special technology.
2. Black tea belongs to full-fermented tea and Pu'er tea belongs to post-fermented tea. Black tea is good for new tea, and Pu'er tea is good for many years (within a range of course). In terms of production technology, black tea is fermented first, and fermentation stops at the end of production; while Pu'er tea is post-fermented tea, it will be fermented naturally all the time during storage, even the ripe tea fermented artificially will continue to ferment. So Pu'er tea can be divided into raw tea and ripe tea, but black tea can't.
3. Pu'er Tea refers to the large-leaved sun-dried green tea in Yunnan. There are many kinds of black tea in China, such as Rizhao black tea, Qihong, Zhaoping red, Huohong, Yunnan red, Yuehong, Quancheng red, Quancheng green, Suhong, Sichuan red, Yinghong, Chuyunxian black tea in Dongjiang, especially Qimen black tea.