Amaranthus mangostanus is a green vegetable which is also used as sudorific, febrifuge, emollient, lactogogue and a specific treatment for colic. This study was aimed to determine antibacterial and antifungal activities of the methanol, dichloromethane, petroleum ether and ethyl acetate extracts from different parts of A. mangostanus against microbes that cause plant or human diseases and food contamination. At concentrations ranging from 40-100 mg/mL, ethyl acetate extracts from leaves and stems exhibited concentration-dependent inhibition against Pseudomonas solanacearum Smith, Acidovorax av...