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Comparative flavor precursors and volatile compounds of Wenchang chickens fed with copra meal based on GC-O-MS

文献类型： 外文期刊

作者： Zhang, Zihan 1 ; Wu, Yucan 1 ; Liu, Quanwei 2 ; Zhao, Guiping 2 ; Wei, Limin 2 ; Zhang, Chunhui 1 ; Huang, Feng 1 ;

作者机构： 1.Chinese Acad Agr Sci, Key Lab Agroprod Proc, Minist Agr & Rural Affairs, Inst Food Sci & Technol, Beijing 100193, Peoples R China

2.Hainan Expt Anim Res Ctr, Sanya Res Inst, Hainan Acad Agr Sci, Sanya 572025, Peoples R China

关键词： Wenchang chicken; Copra meal; Flavor; Quality

期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：8.1； 五年影响因子：7.7 ）

ISSN： 0963-9969

年卷期： 2023 年 174 卷

页码：

收录情况： SCI

摘要： In the Wenchang chicken (WC) feeding process, copra meal is often added to improve chicken quality. To determine the effect of feeding with copra meal on the flavor formation of WCs, the experimental subjects were fed with 4.5 % and 7.5 % copra meal, and the control group was fed without copra meal. The electronic nose combined with gas chromatography-olfactometry mass spectrometry (GC-O-MS) was used to identify the volatile compounds from the samples. Compared with the control group, the pH of chickens fed copra meal was significantly decreased (P < 0.05) after slaughter. Aldehydes and alcohols were the main volatile compounds in muscle, among which hexanal and 1-octen-3-ol were the highest. Thirty-two and thirty-six compounds were identified in breast muscle and drumstick muscle, respectively. Twelve new volatile compounds were added, including 1-octanol, butanal, 1-heptanol, 3-ethylbenzaldehyde, 2,2-dimethylpentanal, hexanoic acid, 3-hepta-none, 2,5-heptanedione, 2-ethylfuran, 2-propylfuran, 2-ethynylpyridine, and 1,2,4,5-tetrazine. The types and contents of volatile compounds in drumstick muscle increased with an increasing proportion of copra meal in the diet. In summary, the addition of copra meal changed the quality of WCs and increased the types and contents of volatile compounds. This study provides a reference for understanding the flavor profile of WC fed copra meal.

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