What is oxalic acid?

Answer 1

Oxalic acid, a phytochemical found in (listed in descending order of concentration) tea, buckwheat, star fruit, black pepper, parsley, poppy seed, rhubarb, chives, purslane, cassava, amaranth, spinach, chard, beet leaves, cocoa, chocolate, most nuts, carrot, radish, collards, snap beans, Brussels sprouts, garlic, lettuce, watercress, sweet potato, chicory, turnip, broccoli, celery, eggplant, cauliflower, asparagus, endive, cabbage, Okra, onion, peas, potatoes, tomatoes, turnip greens, pepper, parsnip, rutabaga, cucumbers, kale, squash, coriander, sweet corn, most berries, and beans, is believed to be successful in fighting several kinds of tumor cells.