cas.989-51-5,top quality green tea extract powder,China NF price supplier

   1 Product Information: green tea extract

 

• Product Name:          green tea extract
• Botanical Name:       Camellia sinensis O. Ktze
• Active Ingredients:  Tea polyphenol, EGCG, Catechins, Caffeine          
• Assay:                          Tea polyphenol 50%-98%, EGCG: 45%-95%,

                                                 Catechins: 15%-90%, Caffeine: 0.5%-5%

• Test Method:             UV, HPLC
• Part of Plant Used:   Leaf
• Appearance:             White to Yellow brown Fine Powder
• Odor:                         Tea perfume
• CAS NO.:                    989-51-5 (EGCG), 970-74-1(EGC), 1257-08-5 (ECG),490-46-0 (EC)
• Molecular Formula:  C22H18O11(EGCG), C15H14O7 (EGC), C22H18O10(ECG), C15H14O6(EC)   
• Specification:
  1) TP 80% min., total catechins 60% min., EGCG 30% min.
  2) TP 90% min., total catechins 65% min., EGCG 35% min.
  3) TP 95% min., total catechins 70% min., EGCG 40% min.
  4) TP 95% min., total catechins 70% min., EGCG 40% min., caffein 1.0% max.
  5) TP 98% min., total catechins 75% min., EGCG 45% min., caffein 1.0% max.
  6) TP 98% min., total catechins 80% min., EGCG 50% min., caffein 0.5% max.
• Solubility:  soluble in water, ethanol and ester; part soluble in oil
  
   

P roduct Name	(-)-epigallocatechin gallate
Synonyms	EGCG; (2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl 3,4,5-trihydroxybenzoate; Green Tea Extract Powder; ; Green Tea; Green Tea P.E; Green Tea Extract;  Green tea extract Polyphenols; Green tee extract; Tea Polyphenols; Tea polyphenol
Molecular Formula	C 22 H 18 O 11
Molecular Weight	458.3717
InChI	InChI=1/C22H18O11/c23-10-5-12(24)11-7-18(33-22(31)9-3-15(27)20(30)16(28)4-9)21(32-17(11)6-10)8-1-13(25)19(29)14(26)2-8/h1-6,18,21,23-30H,7H2/t18-,21-/m1/s1
CAS Registry Number	989-51-5;84650-60-2
EINECS	283-519-7
Molecular Structure
Density	1.9g/cm 3
Boiling point	909.1°C at 760 mmHg
Refractive index	1.857
Flash point	320°C
Vapour Pressur e	3.71E-35mmHg at 25°C

 

 

2. Main function of  green tea extract    

1)  Eliminating free radicals

2)  Anti-Aging

3)  Radioresistance

4)  Inhibiting cancer cell

5)  Antibacterium, sterilization and deodorization

 

3. Main application of  green tea extract  

1)  Applied in food field, it is used as natural antioxidant, antistaling agent, and anti-fading agents.

2)  As cosmetics and daily chemical addiitive, it owns the effect of anti-wrinkle and anti-Aging. It can dispel spot, prevent and treat skin disease and sensibility, decayed tooth, dental plaque, periodontitis and halitosis, protect skin from the harmful solar ray and prevent skin cancer.

3)  Applied in pharmaceutical field, it is used to prevent and cure cardiovascular disease, diabetes. It owns the effect of sterilization and antivirus. It is available as raw material of subsidiary and healthcare medecine.

 

4. Packing&Storage of  green tea extract

Package:  25kgs/drum,double plastic-bag inside, aluminum foil bag or fiber drum outside.
Storage:    Stored in a clean, cool, dry area; keep away from moisture and strong, direct light/heat.
Shelf Life: Two years when properly stored.