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Characterizing the flavor profiles of Linjiangsi broad bean (Vicia faba L.) paste using bionic sensory and
Chunyuan Ping1,2, Xiaoqing Deng1, Ziyuan Guo1,3
1College of Culinary Science, Sichuan Tourism University, 610100 Chengdu, China.
Abstract:
The flavor profile of Linjiangsi broad bean paste (LBBP) is significantly influenced by fermentation environment and ripening time. This study aims to investigate the flavor of outdoor-treated (OT) and indoor-treated (IT) LBBP. Gas chromatography-mass spectrometry, electronic-nose, and electronic-tongue, combined with multivariate statistical analyses, were employed to identify the characteristic flavor profiles of OT and IT LBBP in ripening periods of one and three years. Overall, 95 volatile organic compounds (VOCs) were identified. Relative odor activity values and multivariate statistical analysis indicated that nine VOCs were responsible for the flavor differences. The most abundant VOCs in OT were aldehydes, providing caramel and nutty flavors, whereas the most abundant compounds in IT were esters, contributing fruity flavors to LBBP. Notably, three years of ripening significantly intensified the characteristic flavors of both OT and IT. These findings may elucidate the ripening time and fermentation environment effect on LBBP characteristic flavor profiles.
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