Investigation of the quality of rapeseed oil derived from different varieties and growth periods based on GC-IMS technique
文献类型： 外文期刊
第一作者： Rao, Wenjun
作者： Rao, Wenjun;Li, Xin;Ouyang, Linghua;Zhu, Shuilan;Hu, Shuai;Yuan, Linfeng;Zhou, Jinying
作者机构：
关键词： Rapeseed oil; Variety; Growth period; Flavor; Quality analysis; GC-IMS
期刊名称：MICROCHEMICAL JOURNAL （ 影响因子：4.9； 五年影响因子：4.5 ）
ISSN： 0026-265X
年卷期： 2024 年 205 卷
页码：
收录情况： SCI
摘要： Rapeseed oil is consumed worldwide, and its quality is closely related to the raw rapeseed material. In this work, the quality and flavor differences of rapeseed oil from twelve varieties with two growth periods were studied. The results showed that different varieties responded differently to changes in growth periods, with the GXY1 variety having the greatest combined effect. Shortening the growth period may reduce the moisture and protein content and increase the oil content of rapeseed. It may also enhance the oleic acid content and decrease the linoleic acid content. A total of 62 aroma compounds were identified by gas chromatography-ion migration spectrometry (GC-IMS), with aldehydes being the main flavor compounds. The flavor fingerprint of rapeseed oil derived from different varieties was effectively constructed. Seven key aroma compounds with relative odor activity value (ROAV) > 1 were identified, which significantly influenced the flavor of rapeseed oil. This work may provide new insights for selecting favorable rapeseed varieties for industrial production of high-quality rapeseed oil.
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