酸蛋白酶

AcidProtease Theacidproteaseproductisproducedfromaspergillusnigerbysubmergedliquidfermentation.Itcanhydrolyzethepeptidebondofproteinontheacidicconditionandreleasetheaminoacidorpolypeptide.Thesubstrateactedbypepsincanbefurtherdegradedbytheacidprotease. Productspecification: 1.Appearance:greywhitetolightbrownpowder,moisture<8% 2.Enzymeactivity:50000U/g 3.Temperature:30-60°C 4.pHvalue:2.5-5.5 Definitionofenzymeactivity: Oneacidproteaseunit(U)istheamountofenzymethat1gsolidenzyme(or1mlliquidenzyem)liberates1μgtyrosine(thecolorationofFolinreagenttomeasuretheabsorbancevalue)perminute(reactiontime10minutes)fromcaseinat40°CandpH3.0(0.05mol/llacticacid-sodiumlactatebuffersolution).(QB/T1803-1993) Rangeofapplication: 1.Intheproductionofjuice,butterandsoysauce,addingacidproteasecanclearthefogoffermentationliquor; 2.Inthebeerproductionindustry,itcaneffectivelyblockthegenerationofdiacetylandshortenthematureperiodofbeer; 3.Itcanbeusedtoprocessthefurtoincreasethecoloringrate.Treatedwithacidprotease,thefinishedproductsarebrightincolorandfeelsoft; 4.Addingtheacidproteaseinthefeedcandegradethefeedprotein,increasetheutilizationofproteinindiets. Dosageinthefeed(calculatedasactivity8000U/g): (1)Dosageforsoybeandietsoflayers,broilers,chicklings,ducks,geeseandmaturepigs:100-120g/T; (2)Dosageforsoybeandietsofpiglets:120-150g/T; (3)Dosageformiscellaneousmealdietsoflayers,broilers,chicklings,ducks,geeseandmaturepigs:120-150g/T; (4)Dosageformiscellaneousmealdietsofpiglets:150-180g/T. Package: Solidproduct:20kg/compositewovenbag. Notice(transport,storageandothers): Theproductisthebioactivesubstance.Itshallbekeptawayfromsunlightandrainwaterduringtransportationandstorage.Directlightandhightemperaturemaycausetheinactivationofenzymes.Keepinadryandwell-ventilatedenvironmentbelow25°C.Theenzymeactivitycouldkeepover85%for6months.Itcouldbelongtermpreservationat5°C.Personalprotectionmeasuresarerecommended.Contactwiththeeyesandtheskinhastobeavoided.Ithaveerosionontheepidermis.