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[摘要]
目的 考察了亚临界水提取槐角总异黄酮的最佳实验条件。方法 通过单因素和正交试验,以染料木苷为对照、总异黄酮的得率为指标,优选出槐角异黄酮的提取工艺参数。结果 当提取时间为45min、提取温度为130℃、液固比为12.5mL/g时槐角总异黄酮的得率为23.3%。结论 与传统的提取方法相比,亚临界水提取技术是新发展起来的一种新型提取技术,具有提取时间短、效率高、环境友好等优点。
[Key word]
[Abstract]
Objective To optimize the extracting condition of total isoflavones from Fructus Sophorae by subcritical water extraction.Methods Taking isoflavones yield as index and genistin as control,the technology parameter of subcritical water extraction of Fructus Sophorae isoflavones was optimized by single factor and orthogonal experiment.Results The yield of Fructus Sophorae total isoflavones in the extracts was 23.3% at 130 ℃ for 45 min with the liquid-solid ratio of 12.5 mL/g.Conclusion Compared with traditional extracting methods,subcritical water extraction is a new developing technology in recent years.Its advantage is fast,good-selective.
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[基金项目]
国家863课题(2008AA10Z331)