Ursolic acid
Loquat leaf extract : Ursolic acid
Botanical Source: Eriobotrya japonica(thunb. ) lindl.,
Specification: 98%
CAS: 77-52-1
Melting Point: 283'C-285C
Analysis Contents
|
Specification
|
Analysis Results
|
Extract Solvents:
|
50%alcohol
|
Conformed
|
Identification(TLC):
|
Positive
|
Positive
|
Particle Size:
|
80 mesh
|
80-100 mesh
|
Appearance:
|
white powder
|
White powder
|
Odor:
|
Characteristic
|
Conformed
|
Taste:
|
Characteristic
|
Conformed
|
Loss on Drying:
|
5% max.
|
3.07%(at 105℃.2hours)
|
Heavy Metals :
|
10ppm max
|
< 10ppm
|
Arsenic:
|
2ppm max.
|
< 1ppm
|
Residual Solvent:
|
NMT 50ppm
|
Conformed
|
Carriers Used:
|
None
|
Conformed
|
Pesticides:
|
5ppm max.
|
None detected
|
Microbiology:
|
|
|
Total bacterial counting:
|
1000/g max.
|
115 /g
|
Yeast & Mold:
|
100/g max.
|
25 /g
|
E. Coil:
|
None detectable
|
None detectable
|
Salmonella:
|
None detectable
|
None detectable
|
Aflatoxins:
|
NMT 0.2ppb
|
Absent
|
Assay by HPLC
Ursolic acid
|
98%
|
98.31%
|
a carboxylic acid present in a wide variety of plants in the form of a free acid or an aglycone of triterpene saponines. It is also known as urson, prunol, micromerol, and malol, is a pentacyclic triterpenoid compound which naturally occurs in a large number of vegetarian food, medicinal herbs, and plants. Ursolic acid treatment improves the health of skin and hair. Origin: China |