Document Detail

Leaf-closing substance in Leucaena leucocephala.
MedLine Citation:
PMID:  11866119     Owner:  NLM     Status:  MEDLINE    
Potassium (2R,3R)-2,3,4-trihydroxy-2-methylbutanoate (1) was identified as a leaf-closing substance in the nyctinastic plant, Leucaena leucocephala. Compound 1 showed strong leaf-closing activity toward L. leucocephala and was not effective against other nyctinastic plants. The potassium ion was indispensable for the bioactivity of 1. Compound 1 gradually lost its bioactivity because of the exchange of the counter cation during isolation. A leaf-opening substance was also observed in the same plant.
Yoshihiro Sohtome; Takashi Tokunaga; Katsuhiro Ueda; Shosuke Yamamura; Minoru Ueda
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Bioscience, biotechnology, and biochemistry     Volume:  66     ISSN:  0916-8451     ISO Abbreviation:  Biosci. Biotechnol. Biochem.     Publication Date:  2002 Jan 
Date Detail:
Created Date:  2002-02-27     Completed Date:  2002-10-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9205717     Medline TA:  Biosci Biotechnol Biochem     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  51-6     Citation Subset:  IM    
Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama, Japan.
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MeSH Terms
Fabaceae / chemistry,  physiology*
Molecular Structure
Plant Extracts
Plant Leaves / physiology
Sugar Acids / chemistry,  metabolism*
Reg. No./Substance:
0/2,3,4-trihydroxy-2-methylbutanoic acid; 0/Plant Extracts; 0/Sugar Acids

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

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