摘要
对苦荞麦麸皮中总黄酮类物质的乙醇提取工艺进行了研究。以芦丁为对照品用吸光光度法,通过 L9(34)正交试验,优选了工业参数。结果表明: 对提取效果影响因素依次为乙醇体积分数>提取时间>提取温度>料液比。最佳提取工艺条件是:体积分数65%乙醇、料液比1:10、室温(25～30℃)下提取6h,二级提取,提取得率为3.2%,纯度65%。
The extraction technology of total flavones in bitter buck-wheat peers was studied with ethonal as extractor. The best conditions were chosen through L9(34) orthographic experiments by adsorptive photospectrum based on rutin as standard substance. The results showed the first factor affecting extractor productivity was volume percentage of ethonal. The second and the third ones were extraction time and temperature respectively. The best extraction conditions were to use 65% ethonal as extractor with the ratio of 1:10 in mass at the temperature of 25～30℃ for 6h. The Second extraction productivity was 3.2% with the purity of 65%.
出处
《食品科学》
EI
CAS
CSCD
北大核心
2005年第3期98-100,共3页
Food Science
关键词
苦荞麦麸皮
总黄酮
正交试验
提取工艺
bitter buckwheat peers
total flavones
orthographic experiments
extraction technology
