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Determination of the change of flavonoid components as the defence materials of Citrus unshiu Marc. fruit peel against Penicillium digitatum by liquid chromatography coupled with tandem mass spectrometry
- Authors
- Kim, Hae Gyeong; Kim, Gon-Sup; Lee, Jung Han; Park, Semin; Jeong, Won Young; Kim, Yun-Hi; Kim, Jae Hoon; Kim, Soo Taek; Cho, Young Ah; Lee, Won Sup; Lee, Soo Jung; Jin, Jong Sung; Shin, Sung Chul
- Issue Date
- Sep-2011
- Publisher
- Elsevier BV
- Keywords
- Citrus unshiu Marc.; Flavanones; Flavones; Defence materials; High-performance liquid chromatography; Tandem mass spectrometry
- Citation
- Food Chemistry, v.128, no.1, pp 49 - 54
- Pages
- 6
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Food Chemistry
- Volume
- 128
- Number
- 1
- Start Page
- 49
- End Page
- 54
- ISSN
- 0308-8146
1873-7072
- Abstract
- 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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