YU Yuanjiang, PANG Yiyang, YUAN Taojing, et al. Analysis of Flavor Characteristics of Five Aquatic Raw Materials Based on Electronic Nose, HS-GC-IMS and HS-SPME-GC-MS[J]. Science and Technology of Food Industry, 2021, 42(19): 106−117. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2021030193.
Citation: YU Yuanjiang, PANG Yiyang, YUAN Taojing, et al. Analysis of Flavor Characteristics of Five Aquatic Raw Materials Based on Electronic Nose, HS-GC-IMS and HS-SPME-GC-MS[J]. Science and Technology of Food Industry, 2021, 42(19): 106−117. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2021030193.

Analysis of Flavor Characteristics of Five Aquatic Raw Materials Based on Electronic Nose, HS-GC-IMS and HS-SPME-GC-MS

  • The volatile flavor compounds of five dominant aquatic raw materials (Litopenaeus vannamei, Procypris merus, Tilapia, Nemipterus virgatus and Pinctada martensii) in Guangxi were studied. They were analyzed by using electronic nose, headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) and headspace-solid phase micro-extraction-gas chromatography-mass spectrometry(HS-SPME-GC-MS) technology combined with sensory evaluation. The results showed that the fishy odors of the five aquatic raw materials was prominent. According to the analysis of electronic nose, inorganic sulfides, aromatic compounds (organic sulfides) and methyl compounds were the overall odors of the five aquatic raw materials. Among them, octanal, benzaldehyde (monomer), pentanal (monomer), 2-pentanone (monomer), 2-pinene, 2-butanone (monomer), butanal (dimer), ethyl propanoate, hexanal (monomer), benzaldehyde (dimer), heptanal (monomer) were considered to be the common compounds of the five aquatic raw materials. A total of 57 volatile compounds were identified by GC-MS. Alcohols, aldehydes and aromatic compounds were considered to be the main volatile compounds of five aquatic raw materials. 1-Octen-3-ol and nonanal were the key flavor compounds of five aquatic raw materials.
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