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通过实时测量挥发性有机化合物对芒果品种‘汤米·阿特金斯’成熟过程进行代谢物分析。

Metabolite profiling of the ripening of Mangoes L. cv. 'Tommy Atkins' by real-time measurement of volatile organic compounds.

作者信息

White Iain R, Blake Robert S, Taylor Andrew J, Monks Paul S

机构信息

Department of Chemistry, University of Leicester, Leicester, LE1 7RH UK.

Flavometrix Ltd., Sutton Bonington, Loughborough, Leicestershire LE12 5RD UK.

出版信息

Metabolomics. 2016;12:57. doi: 10.1007/s11306-016-0973-1. Epub 2016 Feb 18.

DOI:10.1007/s11306-016-0973-1
PMID:26937226
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4759207/
Abstract

Real-time profiling of mango ripening based on proton transfer reaction-time of flight-mass spectrometry (PTR-ToF-MS) of small molecular weight volatile organic compounds (VOCs), is demonstrated using headspace measurements of 'Tommy Atkins' mangoes. VOC metabolites produced during the ripening process were sampled directly, which enabled simultaneous and rapid detection of a wide range of compounds. Headspace measurements of 'Keitt' mangoes were also conducted for comparison. A principle component analysis of the results indicated that several mass channels were not only key to the ripening process but could also be used to distinguish between mango cultivars. The identities of 22 of these channels, tentatively speciated using contemporaneous GC-MS measurements of sorbent tubes, are rationalized through examination of the biochemical pathways that produce volatile flavour components. Results are discussed with relevance to the potential of headspace analysers and electronic noses in future fruit ripening and quality studies.

摘要

通过对“汤米·阿特金斯”芒果进行顶空测量,展示了基于质子转移反应-飞行时间质谱(PTR-ToF-MS)对小分子挥发性有机化合物(VOCs)进行实时芒果成熟度分析。直接对成熟过程中产生的VOC代谢物进行采样,从而能够同时快速检测多种化合物。还对“凯伊特”芒果进行了顶空测量以作比较。结果的主成分分析表明,几个质量通道不仅是成熟过程的关键,还可用于区分芒果品种。通过对产生挥发性风味成分的生化途径进行研究,对其中22个通道的身份进行了初步鉴定(使用同期对吸附管进行的气相色谱-质谱测量)。结合顶空分析仪和电子鼻在未来水果成熟度和质量研究中的潜力对结果进行了讨论。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/8b270167f8c7/11306_2016_973_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/91b39eab0fd6/11306_2016_973_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/20c301ec04e2/11306_2016_973_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/d3f8fc0e3848/11306_2016_973_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/7240b632c23a/11306_2016_973_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/8b270167f8c7/11306_2016_973_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/91b39eab0fd6/11306_2016_973_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/20c301ec04e2/11306_2016_973_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/d3f8fc0e3848/11306_2016_973_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/7240b632c23a/11306_2016_973_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf0a/4759207/8b270167f8c7/11306_2016_973_Fig5_HTML.jpg

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