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| Change rule of peroxide value of high oleic acid peanut oil based on different storage conditions |
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| DOI： |
| KeyWord:peanut oil peroxide value change rule storage method storage temperature |
| FundProject:国家重点研发计划政府间/港澳台重点专项“基于数字信息技术的中欧食品安全过程控制体系的建设与示范(2019YFE0103800)” |
| Author Name | Affiliation | | XU Xiaodong1，WU Pengfei1，ZHOU Maoxin2，WANG Yilu3，LIU Xian1 | 1.College of Engineering, China Agricultural University, Beijing 100083, China
2.Shandong Jinsheng
Cereals & Oils and Foods Co. , Ltd. , Linyi 276600, Shandong, China
3.Shandong Huasheng
Inspection and Testing Technology Co. , Ltd. , Linyi 276600, Shandong, China |
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| Abstract: |
| In order to understand and control the change rule of peroxide value of peanut oil in different storage stage, high oleic acid peanut oil was selected as the research object, and the peroxide values of peanut oil were measured at different storage time (10-60 min, 1-7 h, 1-9 d) in different storage methods (bottle seals, bottle exposures) and different ambient temperatures (25, 50, 75, 100 ℃). The effects of different storage conditions on the peroxide value of peanut oil were analyzed by comparing the significance of the differences, and the changes in the peroxide value were investigated by combining the linear fitting equation of the changing trend. The results showed that the peroxide value of peanut oil increased with the prolonging of storage time, but the peroxide value of bottle sealed peanut oil was always lower than that of bottle exposures peanut oil. At room temperature (25 ℃), the peroxide values of 1-9 d were significantly higher than that of 10-60 min and 1-7 h (p<0.05). The higher the ambient temperature, the more intense the oxidation of peanut oil, and the faster the peroxide value increased, and the peroxide value at 100 ℃ was significantly different from other temperature conditions (p<0.05), the R2 of the linear fitted equation for the peroxide value under different storage conditions (storage methods and ambient temperature) all reached above 0.977. The change of peroxide value had a good linear relationship with storage time under different conditions, which can accurately control the change of peroxide value of peanut oil. |
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