Title: Study on filming technology of whey protein isolate
Abstract: Taking whey protein isolate(WPI) as main material,whey protein isolate films were prepared by appending glycerin(plasticizer) and cysteine(reducing agents).At the same time,the preparation technologies and performance were analyzed and measured detailedly,and the optimal technologies were confirmed:the content of WPI was 8%,the content of glycerin was 4%,and the content of cysteine was 0.6mmol/L In this technological conditions,the performance of whey protein isolate film was measured:the thickness was 0.101±0.013mm,the transparency degree was 0.055±0.005,the tensile strength was 1165.2±20.8g,the elongation ratio of break was 70.06%±1.62%,the permeability of H_2O was 17.13±0.63g/m~2·h,the permeability of O_2 was 3.60±0.08g/m~2·d,and the permeability of CO_2 was 445.56±5.26g/m~2·d.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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