Exploration of the fitting of Peleg equation and its application in the semidry milling of the glutinous brown rice

IF 3.9 2区农林科学 Q2 FOOD SCIENCE & TECHNOLOGY

Journal of Cereal Science Pub Date : 2025-03-09 DOI:10.1016/j.jcs.2025.104153

Guozhen Wang , Jiejun Zhou , Xiaogang Luo , Bin Li , Qingyun Lyu , Li-Tao Tong , Wenping Ding

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Abstract

In the semi-dry milling of rice, soaking is of great importance for the characters of rice flour. In this paper, the water absorption kinetics, hardness changes and related physicochemical properties of the glutinous brown rice (GBR) flour during soaking were studied to fit the Peleg equation. Different conditions (20–45 °C, 0–12 h) were used in the soaking process of the GBR. The migration and distribution of water in the GBR during soaking process was analyzed by the low-field nuclear magnetic resonance (LF-NMR). Then, the regulation of water absorption at different temperatures was fitted to the Peleg equation, and the quality differences of the GBR flour obtained under different soaking conditions were successfully predicted by this equation. The results showed that the primary state of water in the soaking process of GBR was weakly bound water and the water content when reaching the adsorption equilibrium was about 60%. Through the prediction of this equation, the damaged starch contents of the prepared GBR flour under various conditions were between 2% and 3%. This study provide a significant guidance method through fitting the Peleg equation for the milling process of the cereal flour.

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来源期刊

Journal of Cereal Science 工程技术-食品科技

CiteScore

7.80

自引率

2.60%

发文量

163

审稿时长

38 days

期刊介绍： The Journal of Cereal Science was established in 1983 to provide an International forum for the publication of original research papers of high standing covering all aspects of cereal science related to the functional and nutritional quality of cereal grains (true cereals - members of the Poaceae family and starchy pseudocereals - members of the Amaranthaceae, Chenopodiaceae and Polygonaceae families) and their products, in relation to the cereals used. The journal also publishes concise and critical review articles appraising the status and future directions of specific areas of cereal science and short communications that present news of important advances in research. The journal aims at topicality and at providing comprehensive coverage of progress in the field.