Study on extraction of essential oil from Lysimachia foenum-graecum Hance and its preservation effect on longan

Authors

YAN Xuyu, Department of Chemistry and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China; Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, Yongzhou, Hunan 425199, China
LI Ling, Department of Chemistry and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China; Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, Yongzhou, Hunan 425199, China
CHEN Ting, Department of Chemistry and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China
WU Yuanjiao, Department of Chemistry and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China

Abstract

Essential oil was extracted from Lysimachia foenum-graecum Hance using steam distillation method. The extraction conditions of essential oil were optimized by orthogonal experimental design, and its preservation on longan was studied. The results showed that the optimum extraction technology were: the concentration of sodium chloride 4%, the distilling time was 6 h, and the solid-liquid ratio of 1∶10 (g/mL). Under the condition, the extraction rate of essential oil reached 0.167 2%. The preservation results indicated: the antibacterial effects of 4 treatments, the content of Vitamin C and soluble solid decreased gradually, and weight loss and corruption rate of longan increased with the extension of the time. Its ability of antibacterial effects and preservation were followed: 0.5% essential oil ＞ the mixture of potassium sorbate and essential oil ＞0.05% potassium sorbate ＞75% ethanol. It has better preservation effect on longan of essential oil than potassium sorbate.

Publication Date

11-28-2016

First Page

111

Last Page

115

DOI

10.13652/j.issn.1003-5788.2016.11.025

Recommended Citation

Xuyu, YAN; Ling, LI; Ting, CHEN; and Yuanjiao, WU (2016) "Study on extraction of essential oil from Lysimachia foenum-graecum Hance and its preservation effect on longan," Food and Machinery: Vol. 32: Iss. 11, Article 25.
DOI: 10.13652/j.issn.1003-5788.2016.11.025
Available at: https://www.ifoodmm.cn/journal/vol32/iss11/25

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