【Content specification】 Tea polyphenols 50%-98%
【Appearance】Brown powder
【Mesh】80 mesh
【Storage conditions】 cool, dry, dark, high temperature place
【Shelf life】24 months
General Information | |||
Product Name | Green Tea Extract | Part Used | Leaf |
Item | Specification | Method | Result |
Assay | |||
Total Polyphenol | ≥98.00% | UV | 99.73% |
Catechin | ≥70.00% | HPLC | 72.75% |
EGCG | ≥50.00% | HPLC | 51.91% |
Chemicals | |||
Appearance | Yellow or Sandy or Dark Brown Powder | Visual | Conforms |
Loss on Drying | ≤5.0% | CP2015 | 2.10% |
Residue on Ignition | ≤3.0% | GB/T 8306 | 0.22% |
Heavy Metals | ≤10.0ppm | CP2015 | <10.0ppm |
Lead(Pb) | ≤5.0ppm | GB 5009.11 | <5.0ppm |
Arsenic(As) | ≤2.0ppm | GB 5009.12 | <2.0ppm |
Microbiology | |||
Total Plate Count | ≤1000cfu/g | CP2015 | 70cfu/g |
Yeast&Mold | ≤100cfu/g | CP2015 | 10cfu/g |
E.Coli | Absent/g | CP2015 | Absent/g |