核桃直饮油的调配及品质分析

Gao Pan, Zuo Zongming, Chen Zhe,Zhou Zhangtao,Hu Chuanrong,He Dongping, Wang Xingguo

Journal of Chinese Institute of Food Science and Technology(2023)

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Abstract
目的:开发一种脂肪酸组成合理、营养价值高、风味好的核桃直饮油.方法:基于联合国粮食及农业组织推荐摄入脂肪酸组成比例,采用MATLAB软件设计5种核桃直饮油配方,通过检测核桃直饮油理化指标和营养指标,结合感官评价与GC-IMS风味分析,得到最佳的核桃直饮油配方.结果:核桃直饮油符合国家标准,脂肪酸组成合理,主要风味物质是2-蒎烯、糠(基)硫醇、己酸甲酯和2-乙基吡嗪.以36%核桃油+52%浓香菜籽油+10%芝麻油+2%DHA藻油调配的核桃直饮油的过氧化值(3.99 mmol/kg)和黏度(61.67 mPa·s)最低,氧化稳定性指数(OSI)高(4.72 h),生育酚(758.39 mg/kg)和植物甾醇(1 588.79 mg/kg)含量最高,感官评价好(16分),是最佳的核桃直饮油配方.
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Key words
walnut,direct drinking oil,fatty acid,micronutrients,flavor
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