Component analysis of the essential oils extracted from petals of Magnolia denudata by GC-MS under different drying conditions

doi:10.14088/j.cnki.issn0439-8114.2019.13.022

Abstract

Abstract: Campus plant Magnolia denudata petals as experimental materials, the extraction of volatile oil of Magnolia petals shade, 40 ℃, 50 ℃ and 60 ℃ with steam distillation of 4 kinds of drying conditions, calculated by the volatile oil yield, the volatile oil components of the total ion flow map with GC-MS. The combination of computer retrieval technology for structural identification of compounds, the relative mass fraction of each component was calculated by area normalization method. In the treatment of natural shade, 40 ℃ 50 ℃ and 60 ℃, respectively identified 62, 53, 48 and 46 compounds, isolated compounds accounted for the total volatile oil components 92.21%, 89.29%, 89.48% and 87.59%. The volatile oil of four different drying samples contains 46 kinds. The main components of volatile oil are sesquiterpenes, terpenes and terpene alcohols. Caryophyllene for magnolia oil components in the highest content of volatile 4 kinds of samples, followed by linalool,（E,E）-1-methyl-5-methylene-8-isopropyl-1, 6-ring decadiene, Terpinyl Acetate, α-terpineol, 4-terpenols and cineole. The components of volatile oil were different under different drying conditions.

Key words: Magnolia denudata petals, GC-MS analysis, volatile oil

CLC Number:

O657.7⁺1

XIANG Tian-tian, BIAN Kang-xin, CHEN Ling-zhi, DENG Shi-ming. Component analysis of the essential oils extracted from petals of Magnolia denudata by GC-MS under different drying conditions[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(13): 106-110.

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