کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8881361 | 1624882 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Sorption isotherm and state diagram for indica rice starch with and without soluble dietary fiber
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم زراعت و اصلاح نباتات
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چکیده انگلیسی
Moisture sorption isotherms and state diagrams for indica rice starch (IRS) and indica rice starch-soluble dietary fiber (IRS-SDF) were developed to investigate the effect of SDF on the stability of IRS. Sorption isotherms of IRS and IRS-SDF were determined by the static gravimetric method and the data were modeled by Guggenheim-Anderson-de Boer (GAB) model. The GAB monolayer moisture contents were calculated to be 7.43 and 8.37â¯g/100g (dry basis) for IRS and IRS-SDF, respectively. The state diagram was composed of the glass transition line and freezing curve, which were fitted according to Gordon-Taylor and Chen models, respectively. The ultimate maximum-freeze-concentration conditions were calculated as characteristic glass transition temperature (Tg') of â42.5â¯Â°C and â31.5â¯Â°C with characteristic solids content (Xs') being 0.71 and 0.72â¯g/g (wet basis), and characteristic temperature of end point of freezing (Tm') being â18.2â¯Â°C and â13.8â¯Â°C for IRS and IRS-SDF, respectively. The state diagrams and sorption isotherms of IRS and IRS-SDF have great significance for evaluating storage stability, optimizing drying and freezing processes.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Cereal Science - Volume 80, March 2018, Pages 44-49
Journal: Journal of Cereal Science - Volume 80, March 2018, Pages 44-49
نویسندگان
Jie Wan, Yueping Ding, Guohui Zhou, Shunjing Luo, Chengmei Liu, Fei Liu,