{"title":"大豆分离蛋白玉米淀粉膜制备过程中的干燥动力学及其贮存过程中的吸湿特性","authors":"Tingwei Zhu, Jinyu Yang, Wanting Qin, Yadong Tian, Yingying Wang, Xingfeng Guo","doi":"10.1016/j.gaost.2023.08.002","DOIUrl":null,"url":null,"abstract":"<div><p>To better understand the mass transfer process of moisture in the soy protein isolate-corn starch (SPI-CS) films during preparation and storage process, the drying kinetics model of SPI-CS films with different formation conditions during the drying process and the moisture adsorption characteristics of the SPI-CS films under different humidity conditions were investigated. Within the range of experimental conditions, the moisture migration rule in the SPI-CS films during the drying preparation was combined with the Page model which was expressed as MR = exp (−<em>kt</em><sup><em>n</em></sup>). It was found that the adsorption equilibrium needed shorter time (about 3 h) when the SPI-CS films existed in the environment with lower humidity (RH < 54%). Additionally, the second-order adsorption kinetic equation was successful to describe the moisture adsorption characteristic of the SPI-CS films during storage under different humidity conditions.</p></div>","PeriodicalId":33614,"journal":{"name":"Grain Oil Science and Technology","volume":"6 3","pages":"Pages 120-126"},"PeriodicalIF":0.0000,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Drying kinetics of soy protein isolate-corn starch film during preparation and its moisture adsorption characteristics during storage\",\"authors\":\"Tingwei Zhu, Jinyu Yang, Wanting Qin, Yadong Tian, Yingying Wang, Xingfeng Guo\",\"doi\":\"10.1016/j.gaost.2023.08.002\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>To better understand the mass transfer process of moisture in the soy protein isolate-corn starch (SPI-CS) films during preparation and storage process, the drying kinetics model of SPI-CS films with different formation conditions during the drying process and the moisture adsorption characteristics of the SPI-CS films under different humidity conditions were investigated. Within the range of experimental conditions, the moisture migration rule in the SPI-CS films during the drying preparation was combined with the Page model which was expressed as MR = exp (−<em>kt</em><sup><em>n</em></sup>). It was found that the adsorption equilibrium needed shorter time (about 3 h) when the SPI-CS films existed in the environment with lower humidity (RH < 54%). Additionally, the second-order adsorption kinetic equation was successful to describe the moisture adsorption characteristic of the SPI-CS films during storage under different humidity conditions.</p></div>\",\"PeriodicalId\":33614,\"journal\":{\"name\":\"Grain Oil Science and Technology\",\"volume\":\"6 3\",\"pages\":\"Pages 120-126\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Grain Oil Science and Technology\",\"FirstCategoryId\":\"1087\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2590259823000201\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"Agricultural and Biological Sciences\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Grain Oil Science and Technology","FirstCategoryId":"1087","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2590259823000201","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Agricultural and Biological Sciences","Score":null,"Total":0}
Drying kinetics of soy protein isolate-corn starch film during preparation and its moisture adsorption characteristics during storage
To better understand the mass transfer process of moisture in the soy protein isolate-corn starch (SPI-CS) films during preparation and storage process, the drying kinetics model of SPI-CS films with different formation conditions during the drying process and the moisture adsorption characteristics of the SPI-CS films under different humidity conditions were investigated. Within the range of experimental conditions, the moisture migration rule in the SPI-CS films during the drying preparation was combined with the Page model which was expressed as MR = exp (−ktn). It was found that the adsorption equilibrium needed shorter time (about 3 h) when the SPI-CS films existed in the environment with lower humidity (RH < 54%). Additionally, the second-order adsorption kinetic equation was successful to describe the moisture adsorption characteristic of the SPI-CS films during storage under different humidity conditions.
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