Foods-Antibacterial Foods with antibacterial activity. C.T. Auckland, New Zealand apple banana basil beet blueberry cabbage carrot cashew celery chili pepper chives coconut cranberry cumin daikon dill flaxseed garlic ginger honey horseradish licorice lime nori nutmeg olive onion papaya plum purslane radish sage seaweed tea, black tea, green tea, oolong umeboshi watermelon yogurt