Influence of variety and extraction solvent on antibacterial activity of roselle (Hibiscus sabdariffa L.) calyxes
Author(s) -
Morales Cabrera Mercedes,
Hernaacute ndez Morales Javier,
Leyva Ruacute elas Gabriel,
Yol,
Salinas Moreno a,
Soto Rojas L,
Castro Rosas Javier
Publication year - 2013
Publication title -
journal of medicinal plants research
Language(s) - English
Resource type - Journals
ISSN - 1996-0875
DOI - 10.5897/jmpr12.1242
Subject(s) - antimicrobial , hibiscus sabdariffa , salmonella , calyx , chemistry , traditional medicine , food science , microbiology and biotechnology , biology , bacteria , botany , organic chemistry , medicine , genetics
An analysis was done on the antimicrobial activity of calyx extracts from five Hibiscussabdariffa varieties against Salmonella typhimurium and Salmonella choleraesuis. Calyx extracts produced with water, ethanol and methanol were applied to Salmonella cultures. All extracts exhibited antimicrobial activity against both Salmonella serotypes. The antimicrobial effect was highest in the variety named as “Alma blanca” (in which anthocyanin production has been almost completely suppressed). Extract pH had a significant (p<0.05) impact on extract antimicrobial effect. The variety had influence in the antimicrobial activity of H.sabdariffa calices. Key words: Antimicrobial, Choleraesuis, plant extracts, Salmonella typhimurium, Hibiscussabdariffa.
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