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机构地区:[1]广西壮族自治区中医药研究院,南宁530022 [2]广西中药质量标准研究重点实验室,南宁530022
出 处:《中国实验方剂学杂志》2013年第12期46-49,共4页Chinese Journal of Experimental Traditional Medical Formulae
基 金:广西壮族自治区卫生厅中医药科技专项(GZPT1229);广西中药质量标准重点实验室主任基金项目(桂中重科01105)
摘 要:目的:优选岗松总黄酮的提取工艺条件。方法:以总黄酮含量为指标,乙醇体积分数、固液比、提取时间为考察因素,采用星点设计-效应面法优选岗松中总黄酮的提取工艺,并进行预测分析。结果:最佳提取工艺为加16倍量70%乙醇提取3次,每次60 min,总黄酮平均质量分数1.43%。结论:实测值与预测值吻合度高,预测性良好,优选的提取工艺合理可行。Objective: To optimize extraction technology of total flavonoids from Baeckea frutescens L.Method: With the content of total flavonoids as index,ethanol concentration,solid-liquid ratio and extraction time as factors,central composite design and response surface methodology was used for optimize of extraction technology of total flavonoids from B.frutescens L.,then predicted optimal exaction process.Result: Optimum extraction technology conditions were as follows: extracted 3 times with 16 times the amount of 70% ethanol,60 min each time.Under this technology,the average mass fraction of total flavonoids was 1.43%.Conclusion: The observed value and the predicted value were close,which proved that optimizied technology was reasonable and feasible with good predictability.
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