产品描述

Huperzine A 1
ITEM    STANDARD
Assay    Huperzine A NLT 1.0%
Appearance    Brownish yellow to brown  powder
Odor&Taste    Characteristic
Loss on Drying    NMT 5.0%
Insoluble Ash    NMT 1.0%
Sieve Analysis    NLT 95% pass 80 mesh
Irradiation Status    Non Irradiated
Heavy metals    NMT 20ppm
Lead (Pb)    NMT 3ppm
Arsenic (As)    NMT 2ppm
Cadmium(Cd)    NMT 0.3ppm
Mercury(Hg)    NMT 0.2ppm
BHC    NMT 0.1ppm
DDT    NMT 0.1ppm
PCNB    NMT 0.1ppm
Aflatoxin    NMT 5ppb
Total Plate Count    NMT 1,000Cfu/g
Total Yeast&Mold    NMT 100Cfu/g
E.Coli.    Negative
Salmonella    Negative
Coliforms    =<3cfu/g
Staphylococcus    Negative

Huperzine A 2
ITEM    STANDARD
Appearance    Off White Fine Powder
Assay(HPLC)    99.0% Min
Particle size    100% pass 80 mesh
Loss on drying    3% Max
Ash    3% Max
Heavy metals    10 ppm Max
As    2 ppm Max
Total Plate Count    1000cfu/g Max
Yeast and Mold    100cfu /g Max
Salmonella    Negative
E.coil    Negative