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当前位置: 首页 > 文章 > 不同提取条件对香茅草精油产量的影响 畜牧与饲料科学 2017,38 (9) 17-19
Position: Home > Articles > Evaluation on Influence of Different Extraction Conditions on Production of Lemongrass Essential Oil Animal Husbandry and Feed Science 2017,38 (9) 17-19

不同提取条件对香茅草精油产量的影响

作  者：
梁宗武;邹幸江;陈明宇;郇树乾
关键词：
香茅草;精油;提取条件;产量
摘  要：
旨在探讨不同提取条件对海南产香茅草精油产量的影响,确定最佳的料液比和Na Cl质量浓度参数。采用水蒸气蒸馏法提取海南产香茅草精油,料液比和Na Cl质量浓度各设置4个水平,每个水平各3个重复,料液比梯度为1∶5、1∶10、1∶15、1∶20,Na Cl质量浓度梯度为3、6、9、12 g/L;以香茅草精油得率为考察指标,采用单因素试验设计确定最佳料液比,然后确定最佳Na Cl质量浓度。结果表明,在3 h提取时间下,采用水蒸气蒸馏法提取海南产香茅草精油最佳工艺为:料液比1∶10、Na Cl质量浓度9 g/L,在该条件下,可以取得最大精油得率为0.68%。
译  名：
Evaluation on Influence of Different Extraction Conditions on Production of Lemongrass Essential Oil
作  者：
LIANG Zong-wu;ZOU Xing-jiang;CHEN Ming-yu;HUAN Shu-qian;Tropical Agricultural and Forestry College,Hainan University;
单  位：
Tropical Agricultural and Forestry College,Hainan University
关键词：
lemongrass;;essential oil;;extraction conditions;;yield
摘  要：
The aim of the present study was to assess the effect of different extraction conditions on production of lemongrass essential oil, and to determine the optimal ratio of solid to liquid and mass concentration of Na Cl. Steam distillation method was used to extract essential oil from lemongrass produced in Hainan Province; there were four levels for both ratio of solid to liquid(1∶5, 1∶10, 1∶15, 1∶20) and mass concentration of Na Cl(3 g/L, 6 g/L, 9 g/L, 12 g/L) and there were three replicates for each level;the optimal ratio of solid to liquid was initially determined by single factor experimental design using yield of lemongrass essential oil as assessment index, and subsequently the optimal mass concentration of Na Cl was screened. The results showed that the optimal extraction process of essential oil from lemongrass produced in Hainan Province by steam distillation was as follows: the extraction duration was three hours, the ratio of solid to liquid was 1∶10, and the mass concentration of Na Cl was 9 g/L. Under this condition, the maximum yield of oil(0.68%) was obtained.

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