{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T13:55:43Z","timestamp":1787320543708,"version":"build-2736575974"},"reference-count":35,"publisher":"MDPI AG","issue":"23","license":[{"start":{"date-parts":[[2022,11,23]],"date-time":"2022-11-23T00:00:00Z","timestamp":1669161600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Agricultural Science and Technology Innovation Program of Chinese Academy of Agricultural Sciences","award":["CAAS-ASTIP"],"award-info":[{"award-number":["CAAS-ASTIP"]}]},{"name":"Agricultural Science and Technology Innovation Program of Chinese Academy of Agricultural Sciences","award":["CAAS-ZDRW202011"],"award-info":[{"award-number":["CAAS-ZDRW202011"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Foods"],"abstract":"<jats:p>Aroma, which plays an essential role in food perception and acceptability, depends on various mixture of volatile organic compounds (VOCs). Meanwhile, as a field of metabolomics, VOC analysis is highly important for aroma improvement and discrimination purposes. In this work, VOCs in pear fruits were determined via headspace solid-phase micro-extraction (HS-SPME) combined with gas chromatography\u2013mass spectrometry (GC\u2013MS) to study variations among different cultivars and storage stages. In 12 cultivars of pear fruits, a total of 121 VOCs were quantified, including 40 esters, 32 alcohols, 16 aldehydes, 13 alkenes, 11 ketones, 4 acids, and 5 other compounds. The types and amounts of VOCs in different cultivars varied dramatically, which were in the range of 13\u201371 and 3.63\u201355.65 mg\/kg FW (fresh weight), respectively. The Dr. Guyot cultivar showed the highest level of VOCs, both in type and amount. After 21 days storage at 4 \u00b0C, total concentration of VOCs increased from initial levels of 50.76 to 101.33 mg\/kg FW. Storage at 20 \u00b0C made a larger contribution to production for VOCs than that at 4 \u00b0C, resulting in the maximum content of VOCs (117.96 mg\/kg FW) in fruit after 14 days storage at 4 \u00b0C plus 7 days at 20 \u00b0C. During storage, the content of esters showed a gradual increase, while the content of alcohols and aldehydes decreased. Based on the results presented, related alcohols were recognized as the intermediates of conversion from aldehydes to esters.<\/jats:p>","DOI":"10.3390\/foods11233778","type":"journal-article","created":{"date-parts":[[2022,11,24]],"date-time":"2022-11-24T02:25:36Z","timestamp":1669256736000},"page":"3778","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Monitoring Volatile Organic Compounds in Different Pear Cultivars during Storage Using HS-SPME with GC-MS"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1063-7860","authenticated-orcid":false,"given":"Guanwei","family":"Gao","sequence":"first","affiliation":[{"name":"Ministry of Agriculture and Rural Affairs, Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng 125100, China"},{"name":"Laboratory of Quality & Safety Risk Assessment for Fruit, Xingcheng 125100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinnan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Ministry of Agriculture and Rural Affairs, Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng 125100, China"},{"name":"Key Laboratory of Germplasm Resources Utilization of Horticultural Crops, Ministry of Agriculture and Rural Afffairs, Xingcheng 125100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhen","family":"Yan","sequence":"additional","affiliation":[{"name":"Ministry of Agriculture and Rural Affairs, Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng 125100, China"},{"name":"Laboratory of Quality & Safety Risk Assessment for Fruit, Xingcheng 125100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yang","family":"Cheng","sequence":"additional","affiliation":[{"name":"Ministry of Agriculture and Rural Affairs, Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng 125100, China"},{"name":"Laboratory of Quality & Safety Risk Assessment for Fruit, Xingcheng 125100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haifei","family":"Li","sequence":"additional","affiliation":[{"name":"Ministry of Agriculture and Rural Affairs, Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng 125100, China"},{"name":"Laboratory of Quality & Safety Risk Assessment for Fruit, Xingcheng 125100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guofeng","family":"Xu","sequence":"additional","affiliation":[{"name":"Ministry of Agriculture and Rural Affairs, Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng 125100, China"},{"name":"Laboratory of Quality & Safety Risk Assessment for Fruit, Xingcheng 125100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,11,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"88","DOI":"10.1016\/j.cofs.2019.10.003","article-title":"Volatilomics for food quality and authentication","volume":"28","author":"Lytou","year":"2019","journal-title":"Curr. 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