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Characterization of Volatile Component Changes in Peas under Different Treatments by GC-IMS and GC-MS

文献类型： 外文期刊

作者： Zhang, Kangyi 1 ; Zhang, Can 1 ; Zhuang, Haining 2 ; Liu, Yue 3 ; Feng, Tao 4 ; Nie, Bin 5 ;

作者机构： 1.Henan Acad Agr Sci, Inst Agr Prod Proc, Zhengzhou 450008, Henan, Peoples R China

2.Shanghai Urban Construct Vocat Coll, Sch Hlth & Soc Care, Shanghai 201415, Peoples R China

3.Henan Univ Technol, Zhengzhou 450008, Henan, Peoples R China

4.Shanghai Inst Technol, Sch Perfume & Aroma Technol, Shanghai 201418, Peoples R China

5.Dept Agr & Rural Affairs Henan Prov, Rural Ind Dev Div, Zhengzhou 450008, Henan, Peoples R China

期刊名称：JOURNAL OF FOOD QUALITY （ 影响因子：2.45； 五年影响因子：2.679 ）

ISSN： 0146-9428

年卷期： 2021 年 2021 卷

页码：

收录情况： SCI

摘要： Volatile profiles of peas under 9 kinds of different treatments including native, washing, blanching, precooling, freezing, steaming, boiling, frying, and freeze-drying were characterized by GC-IMS and GC-MS. The differences of volatile compounds in different peas were observed from the characteristic fingerprints by GC-IMS. The Venn diagram found that the common flavor substances codetected by GC-IMS and GC-MS were n-hexanal, nonanal, 1-octene-3-ol, benzaldehyde, 6-methyl-5-hepten-2-one, trans-2-octenal, and 2-ethyl-3,5-dimethylpyrazine, which were speculated to be the key flavor substances of peas. The cluster analysis of the heat map conducted towards the differences of volatile components in peas under different treatments; the results indicated that peas could be mainly divided into four groups, which was consistent with the above conclusion of GC-IMS. Eight sensory descriptors were used to evaluate the aroma notes: sweet flowers, fat fragrance, waxy aldehydes, mushroom hay, roasted potato with nuts, vegetable-like bean, spicy dry tar, and bitter almond from the sensory analysis, and the sensory analysis also showed good agreement with the results of GC-IMS and GC-MS. The results indicated that the volatile compounds of peas under different treatments could be visualized and identified quickly via GC-IMS, and the samples could be clearly classified based on the difference of volatile compounds. Practical Application. In the study, fingerprints coupled with cluster analysis were a visualized method for the identification of volatile compounds. Meanwhile, a new method, the Venn diagram with OAV, was used to identify the key-aroma of products. Finally, a rapid method is established to classify products by GC-IMS. In future practical applications, GC-IMS can be used to classify products from different origins and different manufacturers. Similarly, it can identify fake and inferior products and whether the products have deteriorated. In addition, this research will provide a new strategy to find the relationship between flavor compounds and various processed technology towards different cereals.

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