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10 Gram |
FOB Price:USD 400.0000 -500.0000 |
Yeast extract cas 8013-01-2 CAS NO.8013-01-2 CAS NO.8013-01-2 Yeast extract
items |
specification |
appearance |
white or light yellow powder |
density |
pass 100 mesh |
loss on drying |
≤ 5% |
ash content |
<1.0% |
protein content |
≤0.3% |
degree of deacetylation |
≥70% |
insoluble |
≤0.1% |
arsenic as as2o3 |
≤ 1.0ppm |
heavy metals as pb |
≤10.0ppm |
total microbial count |
≤1000cfu/g |
esherichia coli |
negative |
salmonella |
negative |
chitosan oligosaccharides content |
≥ 90% |
mw and mwd (weight-average molecular weight and molecular weight distribution) |
mw: about 1000 mwd≤ 1.5 mw: about 2000 mwd≤ 1.5 mw: about 3000 mwd≤ 1.5 mw: about 5000 mwd≤ 3 can be formulated product standards based on customer demand |
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