White Tea Extract
Negotiable /Kilogram
Min.Order:5 Kilograms
Qingdao BNP BioScience Co., Ltd.
Certificate of Analysis | |||
Product and Batch Information | |||
Product Name: | White Tea Extract | Country of Origin: | P.R. China |
Botanic Name: | Argyreia acuta Lour. | Active Ingredient: | Polyphenols |
Batch: | BNPWT091218 | Manufacture Date | Dec 18, 2009. |
Analysis Date | Dec 18, 2009. | Report Date | Dec 21, 2009. |
Item | Specification | Result | Test Method |
Active Ingredeints | |||
Assay | Tea Polyphenols>90% | 91.80% | UV |
Catechin >60% | 60.20% | HPLC | |
EGCG >40% | 42.52% | HPLC | |
Caffeine<10% | 9.57% | HPLC | |
Physical Control | |||
Appearance | Fine powder | Complies | Visual |
Color | Light yellow green | Complies | Visual |
Odor | Characteristic | Complies | Organoleptic |
Taste | Characteristic | Complies | Organoleptic |
Particle Size | 100% pass 80 mesh | Complies | 80 Mesh Screen |
Loss on Drying | 5% Max | 2.80% | 5g / 105°C /5hrs |
Sulphated Ash | 5%Max | 1.28% | 2g / 525°C/5hrs |
Chemical Control | |||
Heavy metals | NMT10ppm | Conforms | Atomic Absorption |
Arsenic (As) | NMT 1ppm | Conforms | Atomic Absorption |
Mercury(Hg) | NMT 1ppm | Conforms | Atomic Absorption |
Lead (Pb) | NMT2ppm | Conforms | Atomic Absorption |
GMO Status | GMO Free | Conforms | / |
Microbiological Control | |||
Total Plate Count | 10000cfu/g Max | Conforms | AOAC |
Yeast & Mold | 300cfu/g Max | Conforms | AOAC |
E.Coli | Negative | Negative | AOAC |
Salmonella | Negative | Negative | AOAC |
Packing and Storage | |||
Ingredients | 100% Green Tea , no chemicals or additives ,No-irradiated | ||
Packing | Pack in paper-drums and two plastic-bags inside. | ||
Storage | Store in a well-closed container away from moisture and direct sunlight. | ||
Shelf Life | 24 months if sealed and stored properly. |