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Green Tea Extract
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Basic
Common Name (-)-Epicatechin gallate
CAS Number 1257-08-5
Molecular Weight 442.372
Density 1.8±0.1 g/cm3
Boiling Point 861.7±65.0 °C at 760 mmHg
Molecular Formula C22H18O10
Melting Point 257-258ºC
MSDS Chinese USA
Flash Point 305.0±27.8 °C
Physical Chemistry
Density 1.8±0.1 g/cm3
Boiling Point 861.7±65.0 °C at 760 mmHg
Melting Point 257-258ºC
Molecular Formula C22H18O10
Molecular Weight 442.372
Flash Point 305.0±27.8 °C
Exact Mass 442.089996
PSA 177.14000
LogP 2.67
Vapour Pressure 0.0±0.3 mmHg at 25°C
Index of Refraction 1.825
Storage condition 2-8°C
Toxicity
CHEMICAL IDENTIFICATION
RTECS NUMBER :
DH9030000
CHEMICAL NAME :
Benzoic acid, 3,4,5-trihydroxy-, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H- 1- benzopyran-3-yl ester, (2R-cis)-
CAS REGISTRY NUMBER :
1257-08-5
LAST UPDATED :
199309
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C22-H18-O10
MOLECULAR WEIGHT :
442.40
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JKXXAF Japanese Kokai Tokyo Koho Patents. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #93-944
Safety
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xn
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS DH9030000
Preparation

N/A

FAQ

1.What is Green Tea Extract?

It is a kind of light yellow or yellow-brown powder, which has bitter taste but good solubility in water or aqueous ethanol. It is extracted by advanced technology with high purity, good color and reliable quality.Tea polyphenols is a kind of natural complex which has strong abilities of anti-oxidation, eliminating free radicals, anti-cancer, adjusting the lipid of blood, preventing cardiovascular and cerebrovascular diseases and anti-inflammation. Therefore, it is widely applied in food, health care products, medicine, cosmetics and so on. Green tea extract is the active ingredient extracted from green tea leaves, mainly including tea polyphenols (catechins), caffeine, aromatic oils, water, minerals, pigments, carbohydrates, proteins, amino acids, vitamins and so on.

2.How is Green Tea Extract produced?

1) Resin separation technology. Resin technology has long been successfully applied to industrial decolorization, environmental protection, drug analysis, antibiotic extraction and separation and other fields. Used in the separation and concentration of phytochemical components has also been a great success. For example, for ginkgo biloba, the current resin separation technology can achieve a collection rate of 90% of ginkgo flavonoids; can be a one-time concentration of ginkgo flavonoids, so that the content of more than 50%; can also remove the vast majority (more than 99.5%) as a harmful ingredient of ginkgolides, so that it is less than 5 ppm, and at the same time to make the active ingredient loss of control in the following 3%. (2) Industrial extraction technology.

3.How is Green Tea Extract stored and distributed?

Store under dry inert gas, keep container tightly closed, store in a cool, dry place Packed in galvanized iron drums. Store in a cool, ventilated place. The storage should be dedicated and not mixed with other items. Pay attention to fire prevention. Polymerization inhibitor should be added before storage and transportation. Before transportation, check whether the packing container is complete and sealed, and make sure the container is not leaking, collapsing, falling or damaged during transportation. Strictly prohibit mixing and transporting with oxidizing agents, acids, alkalis, edible chemicals and so on. The transport vehicle and ship must be thoroughly cleaned and sterilized, otherwise it is not allowed to ship other items. When transported by ship, the fitting position should be far away from bedrooms, kitchens, and isolated from the cabin, power supply, fire source and other parts. Road transportation should follow the prescribed route.

4.What is Green Tea Extract used for?

Application Scenarios of Plant Extracts Plant extracts are varied and functional, and one kind of extracts often has different roles, but they can be roughly divided into five categories: coloring, flavor output, pharmacological effects and health care functions. Coloring: Phytochrome is the main component of plants presenting color, and some plants are unusually rich in pigment content, which can be used for pigment extraction. There are dozens of available phytochromes in our country, such as curcumin, safflower yellow, radish red, beet red, sorghum red, and paprika red. Flavor output: Plant extracts are often rich in characteristic components that effectively stimulate the senses, such as sweeteners and volatiles. Natural sweeteners are now popular new sweeteners that not only have outstanding sweetness, but are also ideal alternatives to cane sugar.

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