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Studies On Effect of Guava Leaves Extract Against Selected Enteric Bacteria | Abstract

Asian Journal of Pharmaceutical Technology and Innovation (ajpti)

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Studies On Effect of Guava Leaves Extract Against Selected Enteric Bacteria

Abstract

Chavan M.D., Bansode D.S.*

In the present work we evaluated the antibacterial activity of crude Guava (Psidium guajava) leaves extract in comparison with Standard antibiotics Cholistin, Erythromycein, Ciprofloxin, Methicillin, Ampicillin and Cephalosporin. For the present study following bacterial cultures were used those were Salmonella typhi (8 strains), Shigella dysenteriae (7 strains), Salmonella paratyphi A (5 strains), Salmonella paratyphi B (7strains), E.coli (4 strains), Citrobactor spp. (3 strains). The antimicrobial activity of Crude Guava leaves extract was represented in table 1. Guava leaves extract showed highest antibacterial activity against Salmonella typhi strain I (ZOI-20mm), Shigella dysenteriae strain I (ZOI- 15mm), Salmonella paratyphi A strain II (ZOI-18mm), Salmonella paratyphi B strain V (ZOI- 20mm), E.coli strain III (ZOI- 14mm) and Citrobactor spp. strain III (ZOI- 20mm). Salmonella typhi strain V was observed sensitive to antibiotic Ciprofloxin (ZOI- 12mm). Shigella dysenteriae strain IV was observed sensitive to antibiotic Ampicillin (ZOI- 13mm) and Erythromycein (ZOI- 16mm). Salmonella paratyphi A strain III was observed sensitive to antibiotic Ciprofloxin (ZOI- 15mm) and Ampicillin (ZOI- 14mm). Salmonella paratyphi B strain V was observed sensitive to antibiotic Ciprofloxin (ZOI- 18mm) and Ampicillin (ZOI- 15mm). E.coli strain I was observed sensitive to antibiotic Cholistin (ZOI- 14mm), Ampicillin (ZOI-10mm), Cephalosporin (ZOI- 17mm) and Erythromycein (ZOI- 15mm). Citrobactor spp. strain I, was observed sensitive to antibiotic Cholistin (ZOI- 11mm). The results of this study showed that some pathogenic enteric bacteria were observed resistant to standard antibiotics but they were observed sensitive to the crude Guava leaves extract. The results of the present study also support the medicinal usage of the Guava leaves.

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