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EGCG

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Introduction:

Product Name

EGCG (Green Tea Extract)

Synonyms

EGCG, (-)-Epigallocatechin gallate

Appearance

Off-white or pale pink powder

CAS

989-51-5

Molecular formula

C22H18O11

Molecular Weight  

458.37

Purity

45%, 50%, 90%, 98%EGCG

Sample

Available


EGCG is the most effective active component of catechins, accounting for about 8% to 13% of the gross weight of green tea, and is also the most abundant component of catechins. (-)-Epigallocatechin gallate is an ester formed by α-linking phenol-based benzopyran and gallic acid, which has the generality of phenolic antioxidant, and has 6 neighboring phenolic hydroxyl groups in its molecular structure, so it has many properties superior to other catechins. Epigallocatechin gallate (EGCG) is the most potent active component of green tea polyphenols and belongs to the catechins.


Specification:

Items Specifications Results Methods
Appearance

Off-white or pale pink powder

Conformed
EGCG ≥98.0% 99.0%

GB/T 31740.2

Caffeine
Negative
Moisture Content ≤5.0% 3.7%
Ash ≤0.3% Conformed

GB/T 8306

Mesh Size ≥95% through 40 Mesh Conformed

Heavy Metals

(Counted By Lead

≤10.0ppm Conformed
As ≤2.0ppm Conformed
Total Plate count ≤1000cfu/g Conformed
Mold & Yeast ≤100cfu/g Conformed
Salmonelia Negative Negative
Escherichia. Coli Count Negative Negative
Conclusion Conformed to the In-house Standard


Function and Application:

1.EGCG, as an active ingredient in green tea extract, has antibacterial, antiviral, antioxidant, anti-atherosclerotic, anti-thrombotic, anti-angiogenesis, anti-inflammatory and anti-tumor effects.Epigallocatechin gallate is the most effective active ingredient in green tea polyphenols, belonging to the epigallocatechin.

2.EGCG in medicine and health care has a variety of diseases such as cancer prevention and treatment and enhance immunity and other functions; in the food industry can be used as antioxidant, antibacterial, preservation of freshness, deodorant; in the daily chemical products as a special function of the preservation of the agent, skin-care agent.EGCG powder raw materials are widely sold.

3. at room temperature, low concentration of EGCG has a strong antioxidant, eliminating free radicals, sterilization and deodorization, etc., so add a small amount of EGCG can prevent the deterioration of cosmetics. EGCG as a natural biochemical raw materials for cosmetics is very easy to be absorbed by the human skin, has a good performance of transdermal absorption; the activity of the activity is extremely stable, the temperature of the change of its activity has very little effect in the acidic and closed-light conditions, the activity remains unchanged for a long time; safe and reliable, the change of its activity is very stable, in acidic and closed-light conditions, the activity of the EGCG powder is very stable.


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