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پژوهش و نوآوری در علوم و صنایع غذایی، جلد ۱۳، شماره ۱، صفحات ۴۳-۴۸
عنوان فارسی Physicochemical and Retrogradation Properties of Fermented Melinjo (<i>Gnetum gnemon</i>) Seed Flour
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عنوان انگلیسی Physicochemical and Retrogradation Properties of Fermented Melinjo (Gnetum gnemon) Seed Flour
چکیده انگلیسی مقاله The fermentation effects of melinjo (Gnetum gnemon) seed flour on the physicochemical and retrogradation properties were investigated. Fermented melinjo seed flour (FMF) was prepared using a Lactobacillus fermentum. The DSC and RVA were used to evaluate the properties of the samples. The results indicated that FMF had a higher significant (P<0.05) value for gelatinization temperature and enthalpy but lower values in the starch-lipid temperature, enthalpy, and viscosity peak than the unfermented sample (UMF). X-ray diffraction demonstrated that fermentation resulted had little effect and the crystalline pattern cannot be changed (type A), but it was shown that a crystalline region ratio to region amorphous increased from 30.9 to 36.66%. The FTIR spectra showed that FMF and UMF were identical. Furthermore, the observation of the FMF using a SEM showed that starch granules had slight superficial corrosion, but UMF has a smooth outer surface. The retrogradation rate (k) of UMF was slowed (0.63 day-1) when compared with the FMF (0.68 day-1). Thus, fermentation may alter starch amorphous region and chemical components, eventually transforming the physicochemical and retrogradation characteristics of melinjo seed flour.
کلیدواژه‌های انگلیسی مقاله Fermentation, gelatinization, Lactobacillus fermentum, Starch-lipid
نویسندگان مقاله Tri Ardyati |
Department of Biology, Faculty of Mathematics and Natural Sciences, University of Brawijaya, Malang 65145, Indonesia

Keizo Hosokawa |
Department of Nutritional Management, Faculty of Health Sciences, University of Hyogo, Kakogawa 675-0195, JapanHyogo University, Hiraoka-cho, Kakogawa City, Hyogo Japan

Akihiro Ohara |
Department of Applied Biological Chemistry, Faculty of Agriculture, University of Meijo, Nagoya 468-8502, Japan

Tri Agus Siswoyo |
Graduate School of Biotechnology and The Center of Excellence on Plant Biotechnology Industry (PUI-PT BioTIn), University of Jember, Jember 68121, Indonesia

نشانی اینترنتی https://journals.rifst.ac.ir/article_169110_1fd0af3cc5c61cf30ecd3cacaeb296de.pdf
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