{"title":"荧光假单胞菌部分纯化蛋白酶P-26的耐热性。","authors":"V K Uplacksh, D K Mathur, R K Malik","doi":"10.1111/j.1365-2672.1994.tb01640.x","DOIUrl":null,"url":null,"abstract":"<p><p>Heat resistance of the Pseudomonas fluorescens P-26 proteinase in terms of D-value was studied in whole milk, skim milk, whey and 0.05 mol l-1 phosphate buffer at 72.5, 130, 135, 140, 145 and 150 degrees C subsequent to its partial purification through (NH4)2 SO4 precipitation (45-65% saturation) and solvent fractionation with 1.0 to 2.0 volumes of isopropanol. The D-value was maximum for the proteinase at all temperatures when determined in whole milk (D150 = 0.088).</p>","PeriodicalId":22599,"journal":{"name":"The Journal of applied bacteriology","volume":"76 4","pages":"356-60"},"PeriodicalIF":0.0000,"publicationDate":"1994-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/j.1365-2672.1994.tb01640.x","citationCount":"4","resultStr":"{\"title\":\"Thermal resistance of partially purified proteinase of Pseudomonas fluorescens P-26.\",\"authors\":\"V K Uplacksh, D K Mathur, R K Malik\",\"doi\":\"10.1111/j.1365-2672.1994.tb01640.x\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Heat resistance of the Pseudomonas fluorescens P-26 proteinase in terms of D-value was studied in whole milk, skim milk, whey and 0.05 mol l-1 phosphate buffer at 72.5, 130, 135, 140, 145 and 150 degrees C subsequent to its partial purification through (NH4)2 SO4 precipitation (45-65% saturation) and solvent fractionation with 1.0 to 2.0 volumes of isopropanol. The D-value was maximum for the proteinase at all temperatures when determined in whole milk (D150 = 0.088).</p>\",\"PeriodicalId\":22599,\"journal\":{\"name\":\"The Journal of applied bacteriology\",\"volume\":\"76 4\",\"pages\":\"356-60\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1111/j.1365-2672.1994.tb01640.x\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The Journal of applied bacteriology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1111/j.1365-2672.1994.tb01640.x\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Journal of applied bacteriology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1111/j.1365-2672.1994.tb01640.x","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Thermal resistance of partially purified proteinase of Pseudomonas fluorescens P-26.
Heat resistance of the Pseudomonas fluorescens P-26 proteinase in terms of D-value was studied in whole milk, skim milk, whey and 0.05 mol l-1 phosphate buffer at 72.5, 130, 135, 140, 145 and 150 degrees C subsequent to its partial purification through (NH4)2 SO4 precipitation (45-65% saturation) and solvent fractionation with 1.0 to 2.0 volumes of isopropanol. The D-value was maximum for the proteinase at all temperatures when determined in whole milk (D150 = 0.088).
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