食品科学2025，Vol.46Issue(7)：257-263,7.DOI:10.7506/spkx1002-6630-20240919-148
蒸汽爆破预处理对压榨紫苏籽油品质和风味的影响
Effect of Steam Explosion Pretreatment on the Quality and Flavor of Pressed Perilla Seed Oil
摘要
Abstract
The effects of different steam explosion pretreatment durations(30,45 and 60 s)on the quality and flavor compounds of perilla seed oil were studied.The results showed that steam explosion pretreatment had no significant effect on the composition or content of saturated or unsaturated fatty acids in perilla seed oil,and the acid value and peroxide value of the treatment group were significantly higher than the blank group,but still met the requirements of relevant standards.As steam explosion treatment time rose,the L* value decreased,the b* value increased significantly,and the contents of total phenol and total phytosterol increased significantly.The total phenolic contents at 30,45 and 60 s were 1.95,2.29,and 2.77 times as high as that of the blank group,respectively,and the total phytosterol contents increased by 5.36%,6.48%,and 9.33%,respectively.However,there was no significant difference in the contents of total tocopherol or benzopyrene between the treatment and control groups,and the benzopyrene content in each treatment group was much lower than the national standard limit.A total of 23 volatile flavor compounds were identified by gas chromatography-mass spectrometry(GC-MS),and the types and contents of flavor compounds in perilla seed oil increased significantly after steam explosion.Eleven key flavor compounds were identified by combining odor activity value(OAV)and principal component analysis(PCA),and the major volatile flavor components changed from hydrocarbons and esters to aldehydes and heterocyclic flavor compounds.The overall flavor changed from light fruity and floral aromas to roasted oil-like and nutty aromas.The results of this study provide technical references for the preparation of perilla seed oil.关键词
紫苏籽/蒸汽爆破/品质/风味/香气活性值/主成分分析Key words
perilla seed/steam explosion/quality/flavor/odor activity value/principal component analysis分类
轻工纺织引用本文复制引用
曾小峰,盖智星,颜蜜,杨秋枚,刘大良,曾顺德,高伦江,尹旭敏..蒸汽爆破预处理对压榨紫苏籽油品质和风味的影响[J].食品科学,2025,46(7):257-263,7.基金项目
重庆市科研机构绩效激励引导专项(CSTB2023JXJL-YFX0024) （CSTB2023JXJL-YFX0024）
