Antimicrobial Activity of Some of the South-Indian Spices and Herbals Against Food Pathogens
نویسندگان
چکیده
Antimicrobial activity of 25, 50, 75 and 100% alcohol extract of Piper nigrum (Black Pepper), Psidium guajava (Guava), Amomum cardamom (Cardamom) and Cynogen dactylon (Bermuda grass) has been evaluated against Pseudomonas lundensis, Bacillus cereus, Aspergillus niger and Aspergillus flavus. Psidium guajava extract showed excellent antimicrobial activity against all the test organisms. In 25% concentration, Psidium guajava showed the highest 11mm antimicrobial zone against Pseudomonas lundensis, Aspergillus niger and Aspergillus flavus. In 50% concentration, Amomum cardamom showed the highest 16mm antimicrobial zone against Aspergillus niger. In 75 and 100% concentration, Psidium guajava showed the highest 14mm, 19mm antimicrobial zone respectively against Pseudomonas lundensis. Among all the results obtained, the maximum antimicrobial zone formation with minimal concentration was recorded in Psidium guajava with 11mm of antimicrobial zone against Pseudomonas lundensis, Aspergillus niger and Aspergillus flavus.
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