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| Effects of microwave pretreatment on the sesame lignan content and quality of sesame oil |
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| DOI： |
| KeyWord:sesame oil sesame lignan microwave pretreatment moisture content oil quality |
| FundProject:河南省重大科技专项（201300110600）；河南工业大学博士基金项目（2020BS007）；国家特色油料产业技术体系项目（CARS-14-1-29） |
| Author Name | Affiliation | | SHENG Bingying1, CHEN Zhenwei2, ZHANG Chenxia1, MA Yuxiang1,
WANG Xuede1, ZHENG Yongzhan1，3 | 1.College of Food Science and Engineering, Henan University of Technology, Zhengzhou 450001,
China
2.Hefei Yanzhuang Edible Oils Co. , Ltd. , Hefei 231282, China
3.Henan
Academy of Agricultural Sciences, Zhengzhou 450002, China |
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| Abstract: |
| To determine the optimal conditions of microwave pretreatment for sesamol-riched sesame oils, the moisture content of sesame seeds was adjusted to five gradients and sesame oil samples were produced under different microwave pretreatment time, and the sesame lignan content, acid value, anisidine value, oxidation induction time, fatty acid composition, tocopherol content, harmful substances (heterocyclic amines and polycyclic aromatic hydrocarbons) content and sensory quality of the oil were analyzed to investigate the effects of sesame seed moisture content and microwave pretreatment time on the sesame lignan content and quality of sesame oil. The results showed that when the microwave time was 6 min and the moisture content of sesame seeds was 7%, the sesame oil produced had a high sesamol content, its acid value met the limited requirements of the national standards, the oxidative stability was strong, and the content of harmful substances including heterocyclic amines and polycyclic aromatic hydrocarbons was at an appropriate and controllable level. In addition, taking into account the inherent flavor of sesame oil, it was highly accepted by consumers. In summary, the optimal microwave pretreatment conditions for high sesamol sesame oil are microwave time 6 min and moisture content of sesame seeds 7%. |
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