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Evaluation of ent-kaurenoic acid derivatives for their anticariogenic activity.
MedLine Citation:
PMID:  21815409     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Ent-kaur-16(17)-en-19-oic acid (kaurenoic acid, KA) is a tetracyclic diterpene prototype for natural anticaries agents. Six KA derivatives were prepared and their antimicrobial activity against the main microorganisms involved in the caries process evaluated. The sodium salt of KA (KA-Na) was the most active, displaying very promising MIC values for most pathogens. Time-kill assays against the primary causative agent of caries (Streptococcus mutans) indicated that KA and KA-Na only inhibited growth in the first 12 h, suggesting a bacteriostatic effect. After this period (12-24 h), their bactericidal effect was clearly noted. KA and KA-Na showed no synergy when combined with the gold standard anticariogenic (chlorhexidine dihydrochloride, CHD) in the checkerboard assays against S. mutans.
Authors:
Bruna B de Andrade; Monique R Moreira; Sérgio R Ambrosio; Niege A J C Furtado; Wilson R Cunha; Vladimir C G Heleno; Aline N Silva; Marília R Simão; Erilda M P da Rocha; Carlos H G Martins; Rodrigo C S Veneziani
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Natural product communications     Volume:  6     ISSN:  1934-578X     ISO Abbreviation:  Nat Prod Commun     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-08-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101477873     Medline TA:  Nat Prod Commun     Country:  United States    
Other Details:
Languages:  eng     Pagination:  777-80     Citation Subset:  IM    
Affiliation:
Núcleo de Pesquisas em Ciências Exatas e Tecnológicas, Universidade de Franca, Franca, SP, Brazil.
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