黑米色素提取工艺研究

Study on Extracting Process of Black Rice Pigment

DOI：10.3969/j.issn.1673-1689.2014.04.019

中文关键词: 黑米色素 正交试验 提取工艺

英文关键词: black rice pigment, orthogonal experiment, extracting process

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中文摘要:

以吸光度值作为试验指标，在单因素试验基础上，利用正交试验法优化黑米色素的提取工艺。结果表明黑米色素的最佳提取工艺为：水为提取剂、提取时间120 min、温度30 ℃、液料体积质量比25 mL/g，其黑米色素的吸光度平均为0.545，各因素对试验影响的主次顺序是提取时间＞温度＞液料比。

英文摘要:

The extracting process of black rice pigment was optimized by orthogonal experiments based on single factor experiments, using absorbance value as the test index. The results indicated that the optimum extraction process of black rice pigment were as follows: water as extraction agent, extraction time 120 min, extraction temperature 30 ℃, ratio of liquid to solid 25∶1, and the absorbance of black rice pigment was 0.545. The sequence of each factor on the test effect was: extraction time ＞temperature ＞liquid-solid ratio.

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