≥10.0%
canthaxanthin
appearance |
light yellow powder |
odor |
characteristic,special smell |
ph |
9.0~10.7 |
assay(uv) |
≥10.0% |
sieve analysis |
≥100mesh |
bulk density |
0.40-0.65g/ml |
residue on ignition |
≤30% max |
loss on drying |
≤ 5.0% |
heavy metals |
fe:≤ 0.5% pb:≤ 0.001% as:3ug/g zn:≤ 0.005% |
residue solvents |
≤5ppm |
total plate count |
<1000 cfu/g |
yeast |
<100 cfu/g |
e-coli |
negative |
salmonella |
negative |