USD $6.00-9.00 / Gram
USD $1.00-10.00 / Kilogram
≥98.0% usp standard
betulinic acid(brich bark powder extract)
appearance |
white or off white fine powder |
||
bulk density(g/ml) |
0.25~0.45 |
conforms |
|
particle size |
98% pass through 60mesh |
conforms |
|
loss on drying |
≤ 2.0% |
1.12% |
|
ash content |
≤ 2.0% |
0.37% |
|
betulinic acid |
≥ 98% |
98.34% |
|
heavy metals |
≤ 10ppm |
conforms |
|
lead |
≤ 1.5ppm |
conforms |
|
arsenic |
≤ 1.0ppm |
conforms |
|
mercury |
≤ 0.2ppm |
conforms |
|
residue solvents |
ethanol: ≤1000ppm |
conforms |
|
microbiological specification |
total aerobic(cfu/g): ≤1000 mold and yeast(cfu/g): ≤100 coliform: negative salmonella:negative |
conforms conforms negative negative |