{"title":"[发酵过程中四环素的稳定性]。","authors":"B C Cunha","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The stability of tetracycline was studied at pH 6.0 and 1.5. The thermal inactivation constant at the lower pH was found to vary between 1.62 min-1 (40 degrees C) and 65.83 min-1 (100 degrees C). A degradation mechanism was proposed in the light of the variation of entropy and steric factors.</p>","PeriodicalId":76437,"journal":{"name":"Revista de farmacia e bioquimica da Universidade de Sao Paulo","volume":"14 2","pages":"161-72"},"PeriodicalIF":0.0000,"publicationDate":"1976-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[Stability of tetracycline during fermentation].\",\"authors\":\"B C Cunha\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The stability of tetracycline was studied at pH 6.0 and 1.5. The thermal inactivation constant at the lower pH was found to vary between 1.62 min-1 (40 degrees C) and 65.83 min-1 (100 degrees C). A degradation mechanism was proposed in the light of the variation of entropy and steric factors.</p>\",\"PeriodicalId\":76437,\"journal\":{\"name\":\"Revista de farmacia e bioquimica da Universidade de Sao Paulo\",\"volume\":\"14 2\",\"pages\":\"161-72\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1976-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Revista de farmacia e bioquimica da Universidade de Sao Paulo\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Revista de farmacia e bioquimica da Universidade de Sao Paulo","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The stability of tetracycline was studied at pH 6.0 and 1.5. The thermal inactivation constant at the lower pH was found to vary between 1.62 min-1 (40 degrees C) and 65.83 min-1 (100 degrees C). A degradation mechanism was proposed in the light of the variation of entropy and steric factors.