Measurement and application on the solubility of tigogenin in methanol and ethanol

doi:10.16085/j.issn.1000-6613.2016.s1.006

Chemical Industry and Engineering Progree ›› 2016, Vol. 35 ›› Issue (S1): 31-34.DOI: 10.16085/j.issn.1000-6613.2016.s1.006

• Chemical processes and equipments • Previous Articles Next Articles

Measurement and application on the solubility of tigogenin in methanol and ethanol

LI Huafeng^1,2, HUANG Shangshun¹, LIAO Qing^1,2, QIN Gaoxiong^1,2, QIN Youkang^1,2, WANG Jun¹, CHEN Zhaomin¹

1. Guangxi Resaech Institute of Chemical Industry, Nanning 530001, Guangxi, China;
2. Guangxi Zhong Yi Biology Technology Limited Company, Chongzuo 532100, Guangxi, China

Received:2016-01-19 Revised:2016-01-22 Online:2016-07-08 Published:2016-06-30

剑麻皂甙元在甲醇和乙醇中溶解度的测定及应用

李华锋^1,2, 黄尚顺¹, 廖青^1,2, 秦高雄^1,2, 覃佑康^1,2, 王俊¹, 陈钊民¹

1. 广西化工研究院, 广西南宁 530001;
2. 广西众益生物科技有限公司, 广西崇左 532100

通讯作者: 黄尚顺,高级工程师,主要从事化学工程与工艺。E-mail hss1780@163.com。
作者简介:李华锋(1981-),男,硕士,高级工程师,主要从事有机合成及天然植物提取研究。E-mail lhfgy1111@163.com。
基金资助:
桂科青(2015GXNSFBA139036)、桂科自(2011GXNSFA018047)、桂科攻(1355003-15)及桂科转(1599002-6)项目。

Abstract

Abstract: The solubility of tigogenin in methanol (293-338K) and ethanol (293-353K) were determined by equilibrium method at atmospheric pressure, and the solubility date was correlated.The results showed that the solubility of tigogenin in methanol and ethanol increased monotonically with increasing temperature.The solubility of tigogen in methanol was greater than in ethanol at 293-323K, and in methanol was less than in ethanol above 323K.The adjusted determination coefficient of fitting equation was respectively 0.9961 and 0.9976, the average relative errors of solubility in methanol was 2.12% at 318-338K, in ethanol was 2.56% at 328-353K, which indicates that fitting equation can meet the need of engineering design.Applications of two solvents in production of tigogenin were studied, which show that ethanol as extraction solvent was better than methanol.

Key words: tigogenin, equilibrium method, solubility, correlated, application

摘要： 常压下,平衡法测定了剑麻皂甙元在甲醇(293~338K)和乙醇(293~353K)溶剂中的溶解度,并对溶解度数据进行关联拟合。结果表明:剑麻皂甙元在两种溶剂中的溶解度均随温度的升高而增大。温度293~323K时,甲醇溶解度高于乙醇溶解度,温度大于323K时,乙醇溶解度高于甲醇溶解度。甲醇和乙醇拟合方程校正决定系数分别为0.9961和0.9976,温度318~338K时,甲醇平均相对误差2.12%,温度328~353K时,乙醇平均相对误差2.56%,拟合方程基本可满足工程设计需要。对两种溶剂在剑麻皂甙元工业生产中的应用进行了研究,表明乙醇作为剑麻皂甙元的萃取溶剂优于甲醇。

关键词: 剑麻皂甙元, 平衡法, 溶解度, 关联, 应用

CLC Number:

LI Huafeng, HUANG Shangshun, LIAO Qing, QIN Gaoxiong, QIN Youkang, WANG Jun, CHEN Zhaomin. Measurement and application on the solubility of tigogenin in methanol and ethanol[J]. Chemical Industry and Engineering Progree, 2016, 35(S1): 31-34.

李华锋, 黄尚顺, 廖青, 秦高雄, 覃佑康, 王俊, 陈钊民. 剑麻皂甙元在甲醇和乙醇中溶解度的测定及应用[J]. 化工进展, 2016, 35(S1): 31-34.

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Measurement and application on the solubility of tigogenin in methanol and ethanol

剑麻皂甙元在甲醇和乙醇中溶解度的测定及应用

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