PHYTOCHEMICALS AND ANTIMICROBIAL BEHAVIOR OF PLANT SWERTIA CHIRAYITA, A MEDICINAL PLANT FROM RANGPUR, BANGLADESH

Abstract

Swertia chirayita is an essential medicinal plant from Rangpur, Bangladesh with anti-diabetic, antipyretic, anti-malarial and anti-inflammatory potential and used in therapeutic herbal preparations in parts of South Asia. Ethanolic extracts of fresh stem of Swertia chirayita collected from rangpur region of Bangladesh. Antibacterial activities against 8 pathogenic bacteria, 4 Gram positive and 4 Gram negative, by disc diffusion method. The produced zone of inhibition for ethanolic extract against Staphylococcus aureus, Bacillus megaterium and Escherichia coli were 8mm, 9mm and 9mm at 30μg/disc dose respectively. At 90 μg/disc dose, the produced zone of inhibition against the same bacteria was 15mm, 13mm and 12mm respectively