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商品描述
Highpurityβ-NicotinamideAdenineDi-nucleotideforuseasacofactorforresearch,biochemicalenzymeassaysand invitro diagnosticanalysis.
β-Nicotinamideadeninedinucleotide,oxidisedhydrate(NAD+,β-NAD+,β-DPN+,OxidisedCoenzyme-I).MW:663.43forfreeacid.Purity:97.5%;NAD+content:95.4%;moisturecontent:~2%.
DatabookletsforeachpacksizearelocatedintheDocumentationtab.
MethodfortheDirectDeterminationofAvailableCarbohydratesinLow-CarbohydrateProductsUsingHigh-PerformanceAnionExchangeChromatography.
Ellingson,D.,Potts,B.,Anderson,P.,Burkhardt,G.,Ellefson,W.,Sullivan,D.,Jacobs,W.&Ragan,R.(2010).JournalofAOACInternational,93(6),1897-1904.
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Animprovedmethodfordirectdeterminationofavailablecarbohydratesinlow-levelproductshasbeendevelopedandvalidatedforalow-carbohydratesoyinfantformula.Themethodinvolvesmodificationofanexistingdirectdeterminationmethodtoimprovespecificity,accuracy,detectionlevels,andruntimesthroughamoreextensiveenzymaticdigestiontocaptureallavailable(orpotentiallyavailable)carbohydrates.Thedigestionhydrolyzesallcommonsugars,starch,andstarchderivativesdowntotheirmonosaccharidecomponents,glucose,fructose,andgalactose,whicharethenquantitatedbyhigh-performanceanion-exchangechromatographywithphotodiodearraydetection.Methodvalidationconsistedofspecificitytestingand10daysofanalyzingvariousspikelevelsofmixedsugars,maltodextrin,andcornstarch.TheoverallRSDwas4.0acrossallsampletypes,whichcontainedwithin-dayandday-to-daycomponentsof3.6and3.4,respectively.Overallaveragerecoverywas99.4(n=10).Averagerecoveryforindividualspikedsamplesrangedfrom94.1to106(n=10).Itisexpectedthatthemethodcouldbeappliedtoavarietyoflow-carbohydratefoodsandbeverages.
