期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 172, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.lwt.2022.114213
关键词
Mechanical damage; Volatile organic compounds; SPME
资金
- Spanish Ministry of Science and Innovation [RTI2018-096882-B-100]
- AEI (MCIN/AEI)
- European Regional Development Fund (ERDF) A way of making Europe
- Junta de Extremadura
- FEDER [GR21180]
The aim of this study was to investigate the changes in volatile organic compounds (VOCs) in 'Golden Delicious' apples caused by mechanical damage. Direct extraction and CAR/PDMS fiber were proposed as the best methods for identifying VOCs associated with mechanical damage. The study found that the mechanical damage resulted in changes in ester compounds in the apples.
The aim of this study was to investigate changes in the volatile organic compound (VOC) profile of apples cv. 'Golden Delicious' associated with mechanical damage. The performance of direct and indirect extraction methods and four solid-phase microextraction (SPME) fibres coated with different stationary phases (CAR/ PDMS, PDMS, DVB/CAR/PDMS, and CW/TPR) was tested for identifying volatile markers of damaged and sound fruit. Direct extraction and CAR/PDMS fibre were proposed for the extraction of VOCs associated with me-chanical damage in apples. Almost half of the 83 compounds extracted were identified as esters (41 different VOCs), followed by hydrocarbons (11), alcohols (10), and terpenoids (7), among others. The more evident changes were an increase of lower molecular weight esters such as methyl, ethyl, and propyl acetate; and a decrease of other higher molecular weight esters such as phenyl ethyl acetate, isobutyl butyrate, and butyl butanoate. The ester ratios suggest that the relation between ethyl acetate and phenyl ethyl acetate is the best option for detecting mechanical damage in cv. 'Golden Delicious' apples.
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