Raw Materials Black Tea Extract Powder

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Specification: 99% min Black Tea Extract Powder

Sample:Black Tea Extract Powder

Packaging:1kg/bag, 25kg/drum

Brand: Henrikang

Appearance: Brown

Storage: Cool Dry Place

Shelf Life: 2 Years

Test Method: HPLC

Black Tea Extract Powder Usage and Synthesis.

Black tea is one of the six major types of tea in China; its black tea extract is a traditional tobacco spice raw materials, which has a long-lasting aroma, improve the role of cigarette taste and aroma quality.

At present, most of the domestic continuous extraction method using low concentrations of ethanol to prepare black tea extract, but this method has two major drawbacks: ① extraction process time is longer, easy to make part of the natural tea aroma loss; ② products in addition to the aroma components, but also contains some proteins, impurities, solubility is not good, so the product in the application of a certain degree of restriction!

Uses of Black Tea Extract.

Black tea extract is rich in vitamins, which can reduce the secretion of gastric acid and play a protective role in the gastric mucosa, with the effect of stomach.

It is rich in amino acids, organic acids, etc., these substances can supplement the nutrients needed by the body, can relieve fatigue.

It also has the effect of lowering the cholesterol content in the body, usually choose to eat appropriately, not too much intake, so as not to produce a burden on the stomach and intestines.

Develop good living habits and eating habits, pay attention to the regularity of the three meals, chewing and slow swallowing when eating!

Preparation of  Bulk Black Tea Extract Powder.

100g of fresh tea leaves were crushed through 80-mesh sieve with a crusher; 1000g of tea polyphenols were placed in a fermentation tank, added to the crushed and treated fresh tea leaves, mixed well, and fermented at a temperature of 26°C for 6.5h, after which the content of each component was monitored in real time by HPLC every 15min, and the mass percentage of theaflavin was monitored to be 23.1%, and fermentation was stopped, and a total of 7h were obtained in this time. Black tea extract.

The black tea extract was extracted with ten times the amount of water, combined the two extracts, concentrated under reduced pressure, dried, and obtained black tea extract powder.

The black tea extract of this method contains 23.1% theaflavins, 46.5% catechins, and 30.4% other black tea fermentation substances (the main components include theaflavins, thearubigins, ellagic acid, gallic acid).

Among them, the content of each component in theaflavin was 6.9% for TF1, 11.1% for TF2A and TF2B, and 5.1% for TF3. The contents of catechins were 0.6% C, 3.9% EGC, 27.2% EGCG and 8.0% ECG. The above percentages are the mass percentage of each substance in the black tea extract.

Characteristic of Black Tea Extract.