Development of a flavor fingerprint by HS-GC-IMS with PCA for volatile compounds of Tricholoma matsutake Singer

被引：255
|
作者：
Li, Mengqi [1 ]
Yang, Ruiwen [2 ]
Zhang, Hao [3 ]
Wang, Silu [1 ]
Chen, Dong [1 ]
Lin, Songyi [1 ]
机构：
[1] Dalian Polytech Univ, Natl Engn Res Ctr Seafood, Sch Food Sci & Technol, 1 Qinggongyuan, Dalian 116034, Peoples R China
[2] Jilin Univ, Coll Food Sci & Engn, Changchun 130062, Jilin, Peoples R China
[3] Shandong Hanon Sci Instruments Co Ltd, Beijing 100020, Peoples R China
来源：
FOOD CHEMISTRY | 2019年 / 290卷
关键词：
Tricholoma matsutake Singer; Volatile compounds; Headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS); Characteristic volatiles fingerprinting; Principal component analysis (PCA); ION MOBILITY SPECTROMETRY; EXTRACT DILUTION ANALYSIS; EDIBLE MUSHROOMS; HEADSPACE; POLYSACCHARIDES; IDENTIFICATION; ODORANTS; ACID; RAW; MS;
D O I：
10.1016/j.foodchem.2019.03.124
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The flavor fingerprint of Tricholoma matsutake Singer was developed and volatile compounds were investigated by HS-GC-IMS fingerprinting combining with PCA. A total of 25 typical target compounds were identified. The differences of flavor compounds in pileus and stipe of Tricholoma matsutake Singer from different areas were observed. After drying, the concentration of C8 compounds, including 3-octanone, 3-octanol, 1-octen-3-one and 1-octanol, decreased, while the concentration of methanol and 1-pentanol increased. Subsequently, PCA was performed based on the signal intensity of the identified violate compounds, and the results clearly showed that the samples in a relatively independent space would be well distinguished. Combining the signal intensity of the identified violate compounds by HS-GC-IMS and PCA, the samples from different portions of Tricholoma matsutake Singer and different areas were distinguished. The results showed that the flavor fingerprint of Tricholoma matsutake Singer were established by HS-GC-IMS and PCA based on the identified volatile compounds.
引用
收藏
页码：32 / 39
页数：8
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