Extraction and Purification of Kiwifruit Seed Oil Using Three-Phase Partitioning: An Efficient and Value-Adding Method for Agro-Industrial Residue Utilization

文献类型： 外文期刊

第一作者： Liu, Bangfu

作者： Liu, Bangfu;Li, Xiufang;Liu, Qingchun;Tan, Zhijian

作者机构：

关键词： kiwifruit seed oil; extraction and separation; three-phase partitioning; waste utilization

期刊名称：PROCESSES （ 影响因子：3.5； 五年影响因子：3.4 ）

ISSN：

年卷期： 2023 年 11 卷 9 期

页码：

收录情况： SCI

摘要： Kiwifruit seeds are usually discarded as waste in the kiwifruit processing industry. However, kiwifruit seeds are rich in oil, which implies their value as a potential resource. Therefore, three-phase partitioning (TPP) using ammonium sulfate and n-butanol has been developed to extract kiwifruit seed oil (KSO) from discarded kiwifruit seeds. The factors influencing the extraction process have been investigated. The highest extraction yield of 36.06% for KSO was obtained under the following conditions: an extraction time of 18 h, a liquid-solid ratio of 4:1, an amount of ammonium sulfate of 28.5 wt%, and a phase ratio (top phase/bottom phase) of 1/1. The composition of obtained KSO was analyzed by gas chromatography-mass spectrometry (GC-MS), and the results indicated the high content of alpha-linolenic acid. This simple and low-cost method can be used as an efficient approach for utilizing the value of kiwifruit seeds.

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