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Tea Polyphenols (20-98%)
 Tea Polyphenols (20-98%) |
Product Description
Tea Polyphenols(20-98%)
We can supply Kinds of Tea Polyphenols, and can customize it.
Tea polyhenols is a kind of natural compound extracted from the green tea, with 30 polyphenois variety. According to its chemical structure, it is classified into catechins, flavone and flavonol, anthocyanidin, phenolic acid and condensed phenolic acid. The content of catechins is the highest, reaching 60-80% of tea polyphenols. Catechins is also divided into many variety. See the following list showing the ratio of catechins:
Quality Standards Tea Polyhenols Product
Physical properties: Light-green powder or light yellow soluble in water or alcohol.
Stability: Stable in pH4-8. Easy to oxidize in the conditions such as strong alkali, acid, light, high temperature and interim metals.
Safety evaluation: Non-toxicity
Storage: Keep in shady, dry places with good ventilation condition and avoiding light.
Shelf time: Two years
| Item Name of catechins Short form Ration | ||
| Non-ester | ||
| (+)catechin | D, L-C | 0.4 |
| (-)epicatechin | L-EC | 1.3 |
| (+)gallocatechin | D, L-GC | 2 |
| (-)epigallocatechin | L-EGC | 12 |
| Ester casthins | ||
| (-)epicatechin gallate | L-ECG | 18.1 |
| (-)epigallocatechin gallate | L-EGCG | 58.1 |
| Tea Polyphen(%) | Tea Polyphen1(%) | Catechins (%) | Caffeine (%) | EGCG(%) | Lost of Drying(%) | Ash(%) | Mesh size | Solubility | Appearance | Heavy Metal(ppm)(counted by leading) | Arsenic(ppm) | Pesticide residuum(ppm) | Total Bacteria(/g) |
| GTP98 | ≥98 | ≥80 | <0.5 | >60 | <5 | <0.2 | >80 | Water, alcohol | Light Yellow Powder | <10 | <2 | <0.1 | <100 |
| GTP98 | ≥98 | ≥80 | <0.5 | >50 | <5 | <0.2 | >80 | Water, alcohol | Light Yellow Powder | <10 | <2 | <0.1 | <100 |
| GTP98 | ≥98 | ≥80 | <0.5 | >45 | <5 | <0.2 | >80 | Water, alcohol | Light Yellow Powder | <10 | <2 | <0.1 | <100 |
| GTP95 | ≥95 | ≥70 | <2 | >40 | <5 | <0.5 | >80 | Water, alcohol | Light Yellow Powder | <10 | <2 | <0.1 | <100 |
| GTP90 | ≥90 | ≥70 | <1 | >30 | <5 | <0.5 | >80 | Water, alcohol | Light Yellow Powder | <10 | <2 | <0.1 | <100 |
| GTP90 | ≥90 | ≥70 | <8 | >30 | <5 | <0.5 | >80 | Water, alcohol | Light Yellow Powder | <10 | <2 | <0.1 | <100 |
| GTP80 | ≥80 | ≥60 | <15 | >25 | <5 | <0.5 | >80 | Water, alcohol | Light Yellow Powder | <10 | <2 | <0.1 | <100 |
| GTP60 | ≥60 | __ | 8-10 | >25 | <5 | <2 | >80 | Water, | Light Yellow Powder | <10 | <2 | <0.1 | <100 |
| GTP50 | ≥50 | __ | <8 | __ | <5 | <2 | >80 | Water, | Light Yellow Powder | <10 | <2 | <0.1 | <100 |
| GTP40 | ≥40 | __ | 8-10 | __ | <5 | __ | >80 | Water, | Light Yellow Powder | <10 | <2 | <0.1 | <100 |
| TP20 | >20 | __ | >10 | __ | <5 | __ | >80 |
More Product Features
| Trademark: | HODA |
|---|---|
| Model NO.: | 421 |
| Standard: | HPLC/ UV |
| Productivity: | 1000000000000 |
| Payment Terms: | T/T |
| Company: | Ningbo Honor Chemtech Pco., Ltd. |
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