Document Detail


The chemical diversity and distribution of glucosinolates and isothiocyanates among plants.
MedLine Citation:
PMID:  11198818     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Glucosinolates (beta-thioglucoside-N-hydroxysulfates), the precursors of isothiocyanates, are present in sixteen families of dicotyledonous angiosperms including a large number of edible species. At least 120 different glucosinolates have been identified in these plants, although closely related taxonomic groups typically contain only a small number of such compounds. Glucosinolates and/or their breakdown products have long been known for their fungicidal, bacteriocidal, nematocidal and allelopathic properties and have recently attracted intense research interest because of their cancer chemoprotective attributes. Numerous reviews have addressed the occurrence of glucosinolates in vegetables, primarily the family Brassicaceae (syn. Cruciferae; including Brassica spp and Raphanus spp). The major focus of much previous research has been on the negative aspects of these compounds because of the prevalence of certain "antinutritional" or goitrogenic glucosinolates in the protein-rich defatted meal from widely grown oilseed crops and in some domesticated vegetable crops. There is, however, an opposite and positive side of this picture represented by the therapeutic and prophylactic properties of other "nutritional" or "functional" glucosinolates. This review addresses the complex array of these biologically active and chemically diverse compounds many of which have been identified during the past three decades in other families. In addition to the Brassica vegetables, these glucosinolates have been found in hundreds of species, many of which are edible or could provide substantial quantities of glucosinolates for isolation, for biological evaluation, and potential application as chemoprotective or other dietary or pharmacological agents.
Authors:
J W Fahey; A T Zalcmann; P Talalay
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.; Review    
Journal Detail:
Title:  Phytochemistry     Volume:  56     ISSN:  0031-9422     ISO Abbreviation:  Phytochemistry     Publication Date:  2001 Jan 
Date Detail:
Created Date:  2001-01-25     Completed Date:  2001-04-05     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0151434     Medline TA:  Phytochemistry     Country:  United States    
Other Details:
Languages:  eng     Pagination:  5-51     Citation Subset:  IM    
Affiliation:
Department of Pharmacology and Molecular Sciences, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA. jfahey@jhmi.edu
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MeSH Terms
Descriptor/Qualifier:
Glucosinolates / analysis,  chemistry*,  metabolism*
Isothiocyanates / analysis,  chemistry*,  metabolism*
Plants / metabolism*
Grant Support
ID/Acronym/Agency:
P01 CA44530/CA/NCI NIH HHS
Chemical
Reg. No./Substance:
0/Glucosinolates; 0/Isothiocyanates

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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