Abstract
Two kinds of volatile oil were extracted by steam distillation extraction (SDE) and supercritical fluid extraction of CO2 (SFE-CO2), and then they were identified by gas chromatography-mass spectrometry (GC—MS). The antimicroble effects of the extract on different rot funguses in fresh milk was evaluated in 4 ℃ within 10 days. There were 39 different components in the two kinds of volatile oil, including methyl cyclohexane, octacosane, 1,3-dimethyl-benzene, and dibutyl phthalate mainly found in the SDE volatile oil, and 4-(4-ethylcyclohexyl)-1-pentyl-cyclohexene, toluene, 1,2-benzenedicar-boxylic acid, diisooctyl ester, 1-ethoxy-pentane, 2-methoxy-4-vinylphenol, and 2,4-bis(1,1-dimethylethyl)-phenol mostly presented in the SFE-CO2 volatile oil. The differences among the contents of 20 common components in two oils was great. The SFE-CO2 volatile oil showed more effective antimicrobial activity with the MIC range of 0.031~0.125 mg/mL. Moreover, those from SFE-CO2 volatile oil coulld also provide better exotic perfume and stronger antiseptic functions.
Publication Date
8-28-2016
First Page
21
Last Page
24,90
DOI
10.13652/j.issn.1003-5788.2016.08.006
Recommended Citation
Qiang, WEI and Xuefeng, SHI
(2016)
"The analyses on chemical components in the leaf volatile oils of Zephyranthes candida(Lindl.)Herb. and their antimicrobial activities in the fresh milk,"
Food and Machinery: Vol. 32:
Iss.
8, Article 6.
DOI: 10.13652/j.issn.1003-5788.2016.08.006
Available at:
https://www.ifoodmm.cn/journal/vol32/iss8/6
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