胰蛋白胨OxoidLP0042蛋白胨是酪蛋白的胰消化。它可用于在任何制定***或胰蛋白酶消化酪蛋白中。酪蛋白是牛奶的主要蛋白质是氨基酸态氮的丰富来源TRYPTONECode:LP0042Tryptoneisapancreaticdigestofcasein.Itcanbeusedinanyformulationwhereapancreaticortrypticdigestofcaseinisspecified.Caseinisthemainproteinofmilkandisarichsourceofaminoacidnitrogen.Theprofileshowsabroadspreadofpeaksthroughoutthemolecularweightrangecharacteristicofapancreaticdigest.Thishydrolysateisoftenmentionedinpublishedworks,eitherasac***tituentofculturemediaformetabolicorgrowthstudies,orforotherpurposeswherehighperformanceanduniformityofcompositionareofparamountimportance.Ithasahightryptophancontentandisthereforeusedinmediafortestingtheindolereaction.Tryptonecandetect`flat-sour’or`sulphide’spoilageorgani***sinthecanningindustryandisalsousedinsterilitytestingmedia.Itisac***tituentofmediausedinfermentationprocessestoproduceantibiotics,extra-cellularprotein,***anddiphtheriatoxoid.Typicalanalysis(%w/w)TotalNitrogen13.3AminoNitrogen3.7Sodiumchloride0.4pH(2%solution)7.3&plu***n;0.2)