Epigallocatechin gallate (EGCG), also known as epigallocatechin-3-gallate, is the ester of epigallocatechin and gallic acid, and is a type of catechin. EGCG, the most abundant catechin in tea, is a polyphenol under basic research for its potential to affect human health and disease. EGCG is used in many dietary supplements.
- Product Name: Green Tea Extract
- Botanical Name: Thea viridis
- Part Used: Leaf
- Active Ingredient: Epigallocatechin gallate (EGCG) etc
- Specification:
- Tea polyphenol 40%-98% HPLC/UV
- Egcg 40%-98% HPLC/UV
- Catechin 75%-98% HPLC/UV
- Instant tea powder TLC/not
- Test Mothod: HPLC
- Standard: GMP,Kosher,HALAL,ISO9001,HACCP.
The Source:
A green tea extract is a herbal derivative from green tea leaves (Camellia sinensis). Containing antioxidant ingredients – mainly green tea catechins (GTC) – green tea and its derivatives are sometimes used as dietary supplements and in alternative medicine. EGCG is found in high content in the dried leaves of white tea (4245 mg per 100 g), green tea (7380 mg per 100 g) and, in smaller quantities, black tea. During black tea production, the catechins are mostly converted to theaflavins and thearubigins.[4] via polyphenol oxidases.
Constituents
The cardinal antioxidative ingredient in the green tea extract is green tea catechins (GTC), which comprise four major epicatechin derivatives; namely, epicatechin (EC), epigallocatechin (EGC), epicatechin gallate (ECG), and epigallocatechin gallate (EGCG). Of which, EGCG accounts for more than 40% of the total content.
Other components include three kinds of flavonoids, known as kaempferol, quercetin, and myricetin. A remarkably higher content of myricetin is detected in tea and its extracts than in many other plants, and this high concentration of myricetin may have some implications with the bioactivity of tea and its extracts.
Caffeine may be excluded in green tea extracts in order to avoid side-effects; caffeine-free green tea extract supplements are now available.
Function
- Reduce kidney stones
- Treat high blood pressure
- Relieve pain in rheumatoid arthritis
- Help in kidney and urinary disorders
Product Applications
- Cosmetics
- Body and skin care products
- Food additives
- Dietary supplement
- Traditional medicine
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Product Categories : Tea Extract Series
