中立的蛋白酶

NeutralProtease Theneutralproteaseproductisakindofendoproteasewhichisproducedfrombacillussubtilisbysubmergedfermentation.Itcanbeusedtoprocessvariousofproteinhydrolysis.OncertaintemperatureandpHcondition,itcanhydrolyzemacromolecularproteinintoproteintryptone,polypeptide,aminoacidetc.Itcannotbreakdownthecornifin.Itiswidelyusedinthefood,medicine,textile,leatherandfeedindustry. Productspecification: 1.Appearance:lightbrownpowder,moisture<8% 2.Enzymeactivity:70000U/g 3.Temperature:40-55°C 4.pHvalue:6.0~8.0 Definitionofenzymeactivity: Oneneutralproteaseunit(U)istheamountofenzymethat1gsolidenzyme(or1mlliquidenzyem)liberates1μgtyrosine(thecolorationofFolinreagenttomeasuretheabsorbancevalue)perminute(reactiontime10minutes)fromcaseinat30°CandpH7.5(sodiumpolyphosphatebuffersolution).(QB/T1803-1993) Rangeofapplicationanddosage: 1.Itcanhydrolyzethedoughproteintopeptone,peptideandevenaminoacid,therebyweakenthedoughstrengthandmakeithavebetterplasticityandextensibility,keepclearandbeautifulpainteddesign; 2.Inthemedicineindustry,themedicinewithneutralproteasehastheeffectofanti-inflammatory,biliscopin,alleviatingpainanddigestiveaid; 3.Inthetextileindustry,usetheneutralproteasetoprocessthewool,itstensilityisbetterthantheconventionalmethod,thewoolenyarnissofter,thecontractilityis0;itcouldalsobeusedintheareasofdegummingofsilkwormandtherefiningofthesilk; 4.Intheleatherindustry,theneutralproteasecanbepreparedtothedepilatingagent.Afterprocessed,thedepilationofleatherisclean,clearandhavenoobviousharmandthetrichoporeismicromeshandbright; 5,Inthefeedindustry,usingtheneutralproteasetogetherwiththeamylase,cellulaseandhemicellulasecanincreasetheutilizationrateofproteaseanddecreasethebreedingcosts. Dosageinthefeed(calculatedasactivity10000U/g): (1)Dosageforsoybeandietsoflayers,broilers,chicklings,ducks,geeseandruminants:100-120g/T; (2)Dosageformiscellaneousmealdietsoflayers,broilers,chicklings,ducks,geeseandruminants:120-150g/T; (3)Dosageforsoybeandietsofpiglets:120-150g/T;Dosageformiscellaneousmealdietsofpiglets:150-180g/T; (4)Dosageforaquaticsoybeandiets:200-500g/T;Dosageforaquaticmiscellaneousmealdiets:200-500g/T. Package: Solidproduct:20kg/compositewovenbag. Notice(transport,storageandothers): Theproductisthebioactivesubstance.Itshallbekeptawayfromsunlightandrainwaterduringtransportationandstorage.Directlightandhightemperaturemaycausetheinactivationofenzymes.Keepinadryandwell-ventilatedenvironmentbelow25°C.Theenzymeactivitycouldkeepover85%for6months.Personalprotectionmeasuresarerecommended.Contactwiththeeyesandtheskinhastobeavoided.Ithaveerosionontheepidermis.