| 松萝酸提取工艺的研究 |
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| 引用本文： | 钱骅,赵伯涛,王笑咪. 松萝酸提取工艺的研究[J]. 中国野生植物资源, 2012, 31(1): 26-29 |
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| 作者姓名： | 钱骅 赵伯涛 王笑咪 |
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| 作者单位： | 南京野生植物综合和用研究院,江苏南京,210042 |
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| 摘 要： | 以破茎松萝为材料,分别以碱水或碱醇直接提取、制备松萝酸钠,并对松萝酸钠提取影响因素进行探究。对所得提取物进行分离和定性鉴定,并利用高效液相层析技术测定提取物中松萝酸的含量。通过单因素实验考察了NaOH和Na2CO3浓度对松萝酸提取的影响,用HPLC测定不同浓度碱液提取物中松萝酸的含量。实验结果说明,1.5%NaOH和75%乙醇+4%Na2CO3提取松萝酸效果较好,松萝酸提取得率最高,分别为1.75%和1.99%,破茎松萝材料中松萝酸含量为2.4%。
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| 关 键 词： | 破茎松萝 松萝酸钠 提取工艺 含量测定 |
Extraction of Usnic Acid from Usnea longissima |
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| Qian Hua , Zhao Botao , Wang Xiaomi. Extraction of Usnic Acid from Usnea longissima[J]. Chinese Wild Plant Resources, 2012, 31(1): 26-29 |
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| Authors: | Qian Hua Zhao Botao Wang Xiaomi |
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| Affiliation: | (Nanjing Institute for Comprehensive Utilization of Wild Plants,Nanjing 210042,China) |
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| Abstract: | In this study,singal factor experiments were emoployed to select the best condition of alkaline EtOH / distilled water refluxing extraction for usnic acid sodium.HPLC was used to determine the content of usnic acid,which was extracted with alkaline EtOH /distilled water refluxing.It was conclude that the optimum extraction solution are 1.5%NaOH and 75% ethanol+4%Na2CO3,the ratio of usnic acid are 1.75% and 1.99% respectively,the content of usnic acid in usnea is 2.4%. |
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| Keywords: | Usnea diffracta Vain usnic acid sodium extraction technology content of determination |
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