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Extraction of Protein from Broken Long-grain Rice by Alkali Method

Juan Wan, Jiadong Chen, Zhong Guo-cai, Yajun Wang

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Abstract

Extraction of rice protein from broken long-grain rice was studied by alkali method. The results showed that the optimum conditions were as follows: NaOH concentration 0.09%, stock-solvent ratio 1:6, extraction temperature 25 ℃, and extraction time 4 h, under which extraction rate of crud protein was 77.3% and the purity of the protein was 80.5%.

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What this paper is about

Extraction of rice protein from broken long-grain rice was studied by alkali method. The results showed that the optimum conditions were as follows: NaOH concentration 0.09%, stock-solvent ratio 1:6, extraction temperature 25 ℃, and extraction time 4 h, under which extraction rate of crud protein was 77.3% and the purity of the protein was 80.5%.

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Available abstract

Extraction of rice protein from broken long-grain rice was studied by alkali method. The results showed that the optimum conditions were as follows: NaOH concentration 0.09%, stock-solvent ratio 1:6, extraction temperature 25 ℃, and extraction time 4 h, under which extraction rate of crud protein was 77.3% and the purity of the protein was 80.5%.

Key concepts: Extraction (chemistry), Alkali metal, Solvent, Protein purification, Chemistry, Chromatography, Solvent extraction, Protein isolate

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