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CiteScore (2016): 2.10

SNIP (2016): 1.075

SJR (2016): 0.61

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Adv Pharm Bull. 2016;6(3):443-447.
doi: 10.15171/apb.2016.057
PMID: 27766229
PMCID: PMC5071808
Scopus id: 84995640064
  Abstract View: 256
  PDF Download: 181

Short Communication

Evaluation of Betulin Mutagenicity by Salmonella/Microsome Test

Edson Hideaki Yoshida 1, Natália Tribuiani 1, Giovana Sabadim 1, Débora Antunes Neto Moreno 1, Eliana Aparecida Varanda 2, Yoko Oshima-Franco 1 *

1 Post-Graduate Program in Pharmaceutical Sciences, University of Sorocaba (UNISO), Sorocaba, SP, Brazil.
2 Pharmaceutical Sciences Faculty of Araraquara, São Paulo State University (UNESP), Rodovia Araraquara-Jau, Km 1, CEP 14801-902, Araraquara, São Paulo, Brazil.

Abstract

Purpose: Betulin is a pentacyclic triterpene found in the outer barks of innumerous plants. This secondary metabolite is easily isolated from plants with the major interest in converting it to betulinic acid, which pharmacological properties were much more exploited than betulin. But, investments in the own betulin have been grown since no chemical step is necessary. In this study we focused the precursor betulin in order to evaluate its mutagenicity by Salmonella/microsome assay (Ames test). Methods: The Ames test was carried out using a commercial betulin exposed to Salmonella typhimurium strains TA98, TA100, TA102, and TA97a, in experiments with (+S9) and without (-S9) metabolic activation. Results: Betulin was unable to increase the number of revertants (+S9 and -S9 metabolic activation) showing the absence of any mutagenic effect by Ames test.Conclusion: This study allowed attribute safety to betulin being important for exploiting its pharmacological uses.
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