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Updated: Jan 15, 2026

Fruit Volatile Analysis Using an Electronic Nose
Published on: March 30, 2012
Salt-induced flavor metamorphosis in plums: A GC-IMS comparative study unraveling cultivar-dependent aroma evolution
Shihui Zhang1, Haoyu Zhou1, Feng Wang1
1Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food of Ministry and Rural Affairs, College of Light Industry and Food, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
Abstract:
This study investigated flavor evolution in four plum varieties, namely 'Tuogu' plum (TG), 'Bingtang' plum (BT), 'Qilin' plum (QL) and 'Pingguo' plum (PG) during salting using gas chromatography-ion mobility spectrometry (GC-IMS). We identified 57 volatile organic compounds (VOCs) in fresh/salted fruits, with eight key VOCs (heptanal, propanal, 3-methylbutanal, etc.) contributing apple, grassy, and fruity notes through ROAV analysis. Fresh TG exhibited dominant grassy/fruity flavors from heptanal and hexanal, while BT/QL/PG showed stronger apple notes from 3-methylbutyraldehyde. Salting reduced aldehydes but increased esters/alkenes/alcohols, with eight VOCs showing significant changes. Notably, S-TG preserved original aromas, whereas S-PG underwent flavor remodeling. Metabolic pathway modulation drove the transition from fresh grassy to complex salted-fruity profiles, providing critical insights for plum processing optimization.
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