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Nat Prod Res. 2015;29(12):1118-21. doi: 10.1080/14786419.2014.979416. Epub 2014 Nov 25.

Isolation and evaluation of cytogenetic effect of Brahmi saponins on cultured human lymphocytes exposed in vitro.

Author information

1
a Department of Pharmacognosy , Sri Ramachandra University , Chennai , Tamil Nadu , India.

Abstract

Major saponins of Brahmi (Bacopa monniera, Fam: Scrophulariaceae) - bacosides A and B - were isolated from the total methanol extract and characterised based on melting point, TLC, IR, (1)H NMR and (13)C NMR. They were evaluated for their in vitro cytogenetic effects on human peripheral blood lymphocytes by chromosomal aberration (CA) assay and sister chromatid exchange (SCE) assay. The frequency of chromatid type aberrations and reciprocal interchanges between sister chromatids in the treated cells was scored in comparison to the untreated control. At 30 μg/mL dose, bacoside A showed a statistically significant increase in the frequency of both CA and SCE and bacoside B showed an increase only in SCE. Our report of the genotoxicity of the saponins is significant in view of the reports of anticancer activity of Brahmi extracts.

KEYWORDS:

Bacopa monniera; Bacosides A and B; chromosomal aberration assay; cytogenetic effect; genotoxicity; sister chromatid exchange assay

PMID:
25420521
DOI:
10.1080/14786419.2014.979416
[Indexed for MEDLINE]

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