TheUSPstandardsofCoenzymeQ10isasfollows:
Description:Yellow-orangecrystallinepowder
Meltingpoint:48-52℃
Solubility:Solubleinether,trichloromethaneandacetone;veryslightlysolubleindehydratedalcohol;practicallyinsolubleinwater
Sieve:100%pass80mesh;90%pass100mesh
TappedDensity:0.40g/ml-0.60g/ml
Water(KF):≤0.20%
Residueonignition:≤0.10%
Heavymetals:≤10ppm
Lead(Pb):≤0.5ppm
Mercury(Hg):≤0.1ppm
Cadmium(Cd):≤0.5ppm
Arsenic(As):≤1.0ppm
Assay(ontheanhydrousbasis):98.0%-101.0%
Identification:
IR:SamplespectrumconsistentwiththespectrumforUSPReferenceStandard
Colorreaction:Abluecolorappears
ChromatographicPurity:
CoenzymesQ7,Q8,Q9,Q11:≤1.0%
Ubidecarenone(2Z)-isomer:≤0.5%
Totalimpurities:Total1&2≤1.5%
ResidualSolvents:
Methanol:≤3000ppm
n-Hexane:≤290ppm
Ethanol:≤5000ppm
Isopropylether:≤300ppm
Microbiallimittest
TotalAerobicMicrobialCount:≤1000cfu/g
Yeast&MoldCount:≤50cfu/g
E.coli:Absent/10g
Salmonella:Absent/25g
Bile-tolerantgramnegativebacteria:≤10MPN/g
Staphylococcusaureus:Absent/25g
Pseudomonasaeruginosa:Absent/10g
Other:TheproductisNon-irradiatedandETO-free,NON-GMO,Pesticidefree.
Storage:0-25℃.Preserveinwell-closed,light-resistantcontainers,Keepitoutofdirectsunlightandawayfromheatsource.
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