期刊
JOURNAL OF MASS SPECTROMETRY
卷 47, 期 9, 页码 1198-1206出版社
WILEY-BLACKWELL
DOI: 10.1002/jms.3028
关键词
broccoli sprouts; glucosinolates; brassicacee; growth condition; LC-MS
资金
- Italian Ministry of Agriculture, Food & Forestry (MiPAAF) ['NUME' (DM 3688/7303/08), 'NUTRI-GEA' (DM 30281 23/12/2009)]
Glucosinolates are an important class of secondary plant metabolites, possessing health-promoting properties. Young broccoli plants are a very good source of glucosinolates with concentrations several times greater than in mature plants. The aim of our study was to develop a liquid chromatographymass spectrometry and liquid chromatography/tandem mass spectrometry qualitative and quantitative method for the measure of glucosinolates in broccoli sprouts. The described method provides high sensitivity and specificity, allowing a rapid and simultaneous determination of 14 glucosinolates. The proposed method has been validated for eight glucosinolates: glucobrassicin, glucoraphanin, glucoiberin, glucoerucin, progoitrin, gluconapin, sinigrin and glucocheirolin. The linear range was 1150 mu g ml-1, the intra-day and inter-day precision values are within 6% and 8% at the lower limit of quantification, while the overall recovery of the eight glucosinolates was 99?+/-?9%. This validated method was used successfully for analysis of glucosinolates content of broccoli sprouts grown in different conditions. Copyright (c) 2012 John Wiley & Sons, Ltd.
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