Document Detail

In-Vitro Antagonistic Characteristics of Crude Aqueous and Methanolic Extracts of Garcinia kola (Heckel) Seeds against Some Vibrio Bacteria.
MedLine Citation:
PMID:  21441874     Owner:  NLM     Status:  In-Data-Review    
The methanolic and aqueous extracts of Garcinia kola seeds were screened for their anti-Vibrio activities against 50 Vibrio isolates obtained from wastewater final effluents in the Eastern Cape Province, South Africa. The crude extracts at 10 mg/mL exhibited appreciable inhibitory activities against most of the test Vibrio isolates, with zones of inhibition ranging from 10-19 mm for methanol extract and 8-15 mm for the aqueous extracts. The minimum inhibitory concentrations (MIC) of the methanol extract varied from 0.313 to 2.5 mg/mL while that for the aqueous extract was 10 mg/mL for all the susceptible Vibrio isolates. Rate of kill assay of the methanolic extracts against three selected Vibrio species showed bacteriostatic activities against all of them achieving 58% and 60% (Vibrio vulnificus AL042); 68% and 69% (Vibrio parahaemolyticus AL049); and 70% and 78% (Vibrio fluvialis AL040) killing of the test bacteria at 3× and 4 ×MIC values, respectively, after 2 h exposure time. We conclude that Garcinia kola seeds hold promise as a potential source of therapeutic compounds of relevance in Vibrio infections management.
Dambudzo Penduka; Omobola O Okoh; Anthony I Okoh
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Publication Detail:
Type:  Journal Article     Date:  2011-03-24
Journal Detail:
Title:  Molecules (Basel, Switzerland)     Volume:  16     ISSN:  1420-3049     ISO Abbreviation:  Molecules     Publication Date:  2011  
Date Detail:
Created Date:  2011-03-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100964009     Medline TA:  Molecules     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  2754-65     Citation Subset:  IM    
Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Alice, South Africa.
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