Human food can be acidic or alkaline. Acidic foods are often rich in protein, fat and sugar, which can lower the PH value in blood and body fluids. Fruits and vegetables are generally alkaline foods, which can prevent blood from becoming acidic.
Alkaline fruits include apples, pears, bananas, peaches, strawberries, plums, plums, persimmons, grapes, citrus, grapefruit and lemons.
Alkaline vegetables include beans, green flowers, broccoli, cabbage, carrot celery, cucumber, eggplant, chicory, garlic, leek, lettuce, onion, coriander, pepper, radish, potato, spinach and pumpkin.