Optimizating the alkaline extraction technology of broken long-grain rice protein

Authors

LIYu Zhen, Pharmaceutical and Bioengineering School, Hunan Vocational Technical College of Chemical and Industrial Technology, Zhuzhou, Hunan 412000, China
XIAOHuai Qiu, Pharmaceutical and Bioengineering School, Hunan Vocational Technical College of Chemical and Industrial Technology, Zhuzhou, Hunan 412000, China

Abstract

To improve the efficiency of protein extraction from broken long-grain rice, a quadratic rotatable central composite response surface methodology (qrCCD-RSM) was utilized to investigate the affecting mechanism of alkali concentrations, broken long-grain rice particle sizes and solid-liquid ratios (SLR), based on the results of Min-Run Res IV factorial design and steep accent experiments (SAE). The optimal extraction condition was obtained, i.e. 80 mesh of broken long-grain rice was used to extrat proteins, soluting in 0.09 mol/L of NaOH buffer, with the SLR 1 g∶13.5 mL at 50 ℃ for 120 min. Under this optimized condition, the protein extraction rate and its purity was found to be (82.25±2.53)% and (91.68±1.26)%, respectively.

Publication Date

8-28-2016

First Page

173

Last Page

177

DOI

10.13652/j.issn.1003-5788.2016.08.042

Recommended Citation

Zhen, LIYu and Qiu, XIAOHuai (2016) "Optimizating the alkaline extraction technology of broken long-grain rice protein," Food and Machinery: Vol. 32: Iss. 8, Article 42.
DOI: 10.13652/j.issn.1003-5788.2016.08.042
Available at: https://www.ifoodmm.cn/journal/vol32/iss8/42

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