Abbos Khasanov, Muzzaffar Ataev, Kakhramon Davranov, Khasan Khasanov
{"title":"外源酶在棉花种子加工中的催化状态","authors":"Abbos Khasanov, Muzzaffar Ataev, Kakhramon Davranov, Khasan Khasanov","doi":"10.17265/2159-5828/2018.05.005","DOIUrl":null,"url":null,"abstract":"The effect of gossypol, linolenic acid and cottonseed oil on the activity and stability of acidic (Aspergillus niger) and neutral (Bacillus amyloliquefaciens) proteinases was studied. Fatty acids and gossypol negatively affect the activity and stability of enzymes. The inhibitory effect of fatty acids and gossypol is most pronounced in the case of neutral proteinases. This also decreases the affinity of the enzyme to the substrate. The heat treatment of cottonseed kernels has a positive effect on enzymatic processes and facilitates the process of oil extraction.","PeriodicalId":68173,"journal":{"name":"食品科学与工程:英文版(美国)","volume":"34 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2018-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Catalytic State of Exogenous Enzymes in the Processing of Cotton Seeds\",\"authors\":\"Abbos Khasanov, Muzzaffar Ataev, Kakhramon Davranov, Khasan Khasanov\",\"doi\":\"10.17265/2159-5828/2018.05.005\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The effect of gossypol, linolenic acid and cottonseed oil on the activity and stability of acidic (Aspergillus niger) and neutral (Bacillus amyloliquefaciens) proteinases was studied. Fatty acids and gossypol negatively affect the activity and stability of enzymes. The inhibitory effect of fatty acids and gossypol is most pronounced in the case of neutral proteinases. This also decreases the affinity of the enzyme to the substrate. The heat treatment of cottonseed kernels has a positive effect on enzymatic processes and facilitates the process of oil extraction.\",\"PeriodicalId\":68173,\"journal\":{\"name\":\"食品科学与工程:英文版(美国)\",\"volume\":\"34 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-05-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"食品科学与工程:英文版(美国)\",\"FirstCategoryId\":\"1087\",\"ListUrlMain\":\"https://doi.org/10.17265/2159-5828/2018.05.005\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"食品科学与工程:英文版(美国)","FirstCategoryId":"1087","ListUrlMain":"https://doi.org/10.17265/2159-5828/2018.05.005","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Catalytic State of Exogenous Enzymes in the Processing of Cotton Seeds
The effect of gossypol, linolenic acid and cottonseed oil on the activity and stability of acidic (Aspergillus niger) and neutral (Bacillus amyloliquefaciens) proteinases was studied. Fatty acids and gossypol negatively affect the activity and stability of enzymes. The inhibitory effect of fatty acids and gossypol is most pronounced in the case of neutral proteinases. This also decreases the affinity of the enzyme to the substrate. The heat treatment of cottonseed kernels has a positive effect on enzymatic processes and facilitates the process of oil extraction.
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