| ≥1 piece |
Naringenin
Structural Formula:
CAS#: 480-41-1
Specifications: 98%
Assay Method: HPLC
Herb Sourse: From flower bud of Prunus yedoensis Mats.
Molecular Weight & Molecular Formula: C 15 H 12 O 5 ;272.25
Melting Point & Solubility:
mp251°C,Soluble in alcohol, ether and benzene. almost insoluble in water.
Brief:
White needle, belongs to the flavonoid.
Certificate of Analysis
|
Item |
Specification |
Result |
|
Physical Control |
||
|
Appearance |
Fine powder |
Complies |
|
Color |
White |
Complies |
|
Odor |
Characteristic |
Complies |
|
Sieve Analysis |
100% pass 80 mesh |
Complies |
|
Loss on Drying |
5% Max |
4.17% |
|
Ash |
5% Max |
4.35% |
|
Chemical Control |
||
|
Heavy metals |
NMT 10ppm |
Conforms |
|
Arsenic (As) |
NMT 2ppm |
Conforms |
|
Mercury(Hg) |
NMT 1ppm |
Conforms |
|
Lead (Pb) |
NMT 2ppm |
Conforms |
|
GMO Status |
GMO Free |
Conforms |
|
Pesticides Residues |
NMT 2ppm |
Conforms |
|
Microbiological Control |
||
|
Total Plate Count |
10000cfu/g Max |
Conforms |
|
yeast & Mold |
1000cfu/g Max |
Conforms |
|
E.Coli |
Negative |
Negative |
|
Salmonella |
Negative |
Negative |
|
Staph Aureus |
Negative |
Negative |
|
Pseudomonas aeruginosa |
Negative |
Negative |