期刊
MOLECULES
卷 24, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/molecules24091795
关键词
pears; HS-SPME; volatile compounds; GCxGC-TOFMS
资金
- National Pear Industry Technology System [CARS-28-23]
- Agricultural Science and Technology Innovation Project of Shandong Academy of Agricultural Sciences [CXGC2017A03]
Aroma plays an important role in fruit quality and varies among different fruit cultivars. In this study, a sensitive and accurate method based on headspace solid-phase microextraction (HS-SPME) coupled with comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry (GCxGC-TOFMS) was developed to comprehensively compare aroma components of five pear cultivars. In total, 241 volatile compounds were identified and the predominant volatile compounds were esters (101 compounds), followed by alcohols (20 compounds) and aldehydes (28 compounds). The longyuanyangli has the highest relative concentration (838.12 ng/g), while the Packham has the lowest (208.45 ng/g). This study provides a practical method for pear aroma analysis using SPME and GCxGC-TOFMS.
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