An improved approach of salting-out solvent-free microwave mediated rotary distillation for essential oil preparation from fresh leaves of magnolia (Oyama sieboldii)

文献类型： 外文期刊

第一作者： Yang, Xinyu

作者： Yang, Xinyu;Wei, Mengxia;Yang, Lei;Zhao, Ru;Wei, Mengxia;Gu, Huiyan;Li, Jialei;Yang, Lei;Liu, Tingting

作者机构：

关键词： Salting -out solvent -free microwave mediated; rotary distillation (SOSFMRD); Oyama sieboldii; Fresh leaves; Essential oil; Magnesium chloride

期刊名称：FOOD CHEMISTRY-X （ 影响因子：6.443； 五年影响因子：6.443 ）

ISSN： 2590-1575

年卷期： 2022 年 16 卷

页码：

收录情况： SCI

摘要： An improved method denoted as salting out-solvent-free microwave rotary distillation (SOSFMRD) was successfully developed for the extraction of essential oils from fresh magnolia (Oyama sieboldii) leaves, in which we achieved the rotation of the reaction material by means of a rotating motor to subject the material to uniform microwave irradiation. Magnesium chloride was selected as the salting-out agent through a comparative study on the salting-out effects of different anions and cations of metal salts. The variables of SOSFMRD were systematically optimized. Under the obtained optimization conditions, the essential oil yield was 21.68 +/- 1.02 mL/kgDW. Gas chromatography-mass spectrometry analysis showed that the main chemical constituent of O. sieboldii essential oil was dehydrocostuslactone, the content of which reached 30.23 +/- 1.27 %. Compared with the other conventional methods, this method has a high yield and low energy consumption, which can effectively reduce impact on the environment.

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