期刊
FOOD CHEMISTRY
卷 114, 期 4, 页码 1183-1191出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2008.11.026
关键词
Selenium species; Enriched vegetables; Extraction; HPLC
The ability of several plants to accumulate and transform inorganic forms of selenium into bioactive organic compounds has important implications for human nutrition and health. Se-enriched Allium group vegetables such as garlic, onion and ramps have been mainly the subject of several studies in the recent years. Apart from the total Se uptake, enrichment treatments normally undergo certain metabolic changes that determine the final product as well as its translocation and accumulation in different plant tissues. For this reason, it is important to find which form of selenium should be used for supplementation to obtain a high content of this element in the final plant. Moreover, its distribution in different parts of plants as well as characterisation and quantification of individual species becomes an issue. This review gives a brief, critical overview of the studies carried out to characterise selenium species produced by different enriched vegetables. The use of different extraction and clean-up methodologies will be discussed in conjunction with different selenium enrichment procedures. (C) 2008 Elsevier Ltd. All rights reserved.
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