Comparative Analysis of Volatile Organic Compounds in Freshwater-Cultured and Saline-Alkaline Selectively Bred Tilapia Using Electronic Nose, GC-IMS, and HS-SPME-GC-MS.
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ABSTRACT: Tilapia is a cornerstone species in global aquaculture, yet the impact of saline-alkaline adaptive breeding on its flavor-related volatile organic compounds (VOCs) remains unclear. Herein, we compared VOCs in freshwater-cultured tilapia (FW) and 7th-generation tilapia subjected to long-term selective breeding for saline-alkaline tolerance (SAWG7) using an electronic nose (E-nose), gas chromatography-ion mobility spectrometry (GC-IMS), and headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS). The aim was to identify flavor differentiation and assess the effect of saline-alkaline acclimation. E-nose analysis revealed distinct odor profiles, with SAWG7 showing higher sensor responses for aldehydes, ketones, and alcohols. GC-IMS detec
SUBMITTER: Wang Z
PROVIDER: S-EPMC12651432 | biostudies-literature | 2025 Nov
REPOSITORIES: biostudies-literature
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