Fisetin
Cotinus coggygria Scop., also known as red leaves, is an important ornamental red leaf tree species in China. Its leaves turn red in autumn and are bright and dazzling. Cotinus is a small deciduous tree or shrub with a round crown, up to 3-8m in height, 2.5-6cm in width, yellow xylem, odorous sap; single leaves alternate, leaves entire or toothed, petioles thin, no stipules, Leaves obovate or oval.
Native to Southwest China, North China and Zhejiang; also found in southern Europe, Syria, Iran, Pakistan and northern India.
Specification 98% HPLC
Analysis |
Specification |
Method |
Assay(Fisetin) |
≥98.0% |
HPLC-AREA |
Appearance |
Brown to yellow Powder |
Visual |
Odor |
Characteristic |
Organoleptic |
Taste |
Characteristic |
Organoleptic |
Loss on drying |
≤5.0% |
CP2015 |
Sulphated ashes |
≤5.0% |
CP2015 |
Heavy Metals: | ||
Total |
≤20ppm |
CP2015 |
Microbiological Control | ||
Total Plate Count |
NMT1000cfu/g |
CP2015 |
Yeast & Mold |
NMT100cfu/g |
CP2015 |
E.Coli |
Negative |
CP2015 |
Packing and Storage |
|
Packing |
25kgs/drum. Packing in paper-drums and two plastic-bags inside. |
Storage |
Store in a well-closed container away from moisture, sun light, or heat. |
Shelf Life |
2 years. |