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| Effect of high-temperature treatment on the edible safety and flavor components of grey goose liquid oil |
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| DOI： |
| KeyWord:grey goose oil high-temperature edible safety flavor components |
| FundProject:2021年广东省现代农业产业技术体系创新团队建设项目(2021KJ128) |
| Author Name | Affiliation | | YANG Haihua1，2, HU Jiahui1,2, ZHENG Hua1,2, LIN Jie1,2,
LIN Zhihong3, WU Shaozong1,2 | 1.Food College, South China Agricultural University, Guangzhou 510642, China
2.Livestock and
Poultry Products Precision Processing and Safety Local Joint Engineering Research Center,
Guangzhou 510642, China
3.Guangdong Zhengmu Ganzong Goose Food Co. ,
Ltd. , Zhaoqing 526200, Guangdong,China |
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| Abstract: |
| In order to improve the economic value of edible animal oils, the grey goose liquid oil was used as the raw material,and it was continuously heated at 110, 130, 150, 170 ℃ and 190 ℃ for 10 h, the peroxide value, acid value, malondialdehyde content and volatile substances content of grey goose liquid oil were determined to analyze the effects of high temperature on the food safety and flavor components of grey goose liquid oil. The results showed that compared with grey goose liquid oil left at room temperature for 10 h(the control), the peroxide value, acid value, and malondialdehyde content of grey goose liquid oil after high-temperature treatment increased, and the peroxide value and malondialdehyde content exceeded the limit value of the national standard at 130 ℃. The electronic nose analysis showed that the flavor of grey goose liquid oil heated at 110 ℃ had no significant differences compared with the control.A total of 74 volatile components were detected in grey goose liquid oil ,which mainly were aldehydes and alcohols.As the temperature increased, the types of volatile components increased and the total content first increased and then decreased， and it was the highest at 150 ℃. Comprehensively considering the oxidation of oil and the change of oil flavor, it is recommended that the heating temperature of grey goose liquid oil should be lower than 130 ℃. |
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