期刊
FOOD CHEMISTRY
卷 128, 期 1, 页码 49-54出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2011.02.075
关键词
Citrus unshiu Marc.; Flavanones; Flavones; Defence materials; High-performance liquid chromatography; Tandem mass spectrometry
资金
- KBSI [T30620]
A healthy fruit peel of Citrus unshiu Marc. and one infected by Penicillium digitatum were analysed for flavonoids via high-performance liquid chromatography coupled with tandem mass spectrometry (IPLC-MS/MS) in the positive mode with selected ion monitoring (SIM). Among 16 flavonoid components characterised in C. unshiu Marc., four flavanones and nine flavones were identified for the first time. The identified compounds were quantified by HPLC-UV. To investigate the function of the flavonoids as defence materials, the flavonoid content change of the fruit peel inoculated with P. digitatum was monitored by HPLC. The flavonoid concentration in the infected fruit peel decreased initially after the infection and then gradually increased before finally progressively decreasing. Crown Copyright (C) 2011 Published by Elsevier Ltd. All rights reserved,
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