摘要
目的研究甜荞麦秸中总黄酮提取工艺.方法采用正交试验法设计,以芦丁为对照品用吸光光度法测定提取样品中黄酮含量.结果发现对提取效果影响较大的因素依次为溶剂用量、溶剂含甲醇体积分数、提取时间、提取温度.结论以原料重30倍的65%甲醇为溶剂,在室温(25～30℃)下提取4h,提取效果最佳.
Purpose: to research extraction technology of total flavones from stems and leaves of buckwheat. Method: Absorpti-ophotometry is applied to determine the content of rutin in buckwheat through L9(34)orthographic experiments. Result: The factorshaving effect on extraction productivity are the methanol content in solvant, the usage of solvant, extraction temperature andtime. Conclusion: The best extraction condition is to use 65% methanol 30 times to buckwheat in mass at 25~30℃ for 4~6 h.
出处
《食品科学》
EI
CAS
CSCD
北大核心
2004年第11期161-163,共3页
Food Science
关键词
总黄酮
甜荞麦
对照品
芦丁
工艺研究
提取工艺
正交试验法
提取效果
麦秸
提取温度
absorpti-ophotography
total flavones
stems and leaves of buckwheat
standard reference material of rutin
extraction technology
