China Tea Polyphenols, Find details about China Green Tea Extract, Green Tea from Tea Polyphenols
Characteristic | Specification | Test Method |
Appearance | Visual | |
Moisture | ≤ 6.0% | GB |
Ash | ≤ 2.0% | GB |
Particle Size | NLT 99% pass 80 mesh | 80 mesh screen |
Polyphenols | 98%min,95%min,90%min,80%min,50%min | UV |
Catechin | 80%min,75%min,70%min,60%min,30%min | HPLC |
EGCG | 50%min,45%min,40%min,30%min,15%min | HPLC |
0.5%--5% | HPLC | |
Heavy Metals ( ppm) | ≤10.0 | AAS |
Lead ( ppm) | ≤5.0 | AAS |
Arsenic ( ppm) | ≤3.0 | AAS |
Cadmium ( ppm) | ≤ 1.5 | AAS |
Mercury ( ppm) | ≤ 0.2 | AAS |
Total Bacteria (cfu/g) | ≤10,000 | GB |
Yeast & Mold (cfu/g) | ≤100 | GB |
E. coli | Negative | GB |
Salmonella | Negative | GB |