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Oxalic Acid Content of Selected Vegetables
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This table was originally published in Agriculture Handbook No. 8-11, Vegetables and Vegetable Products, 1984.

VegetableOxalic acid
(g/100 g)
Amaranth 1.09
Asparagus .13
Beans, snap .36
Beet leaves .61
Broccoli .19
Brussels sprouts .36
Cabbage .10
Carrot .50
Cassava1.26
Cauliflower .15
Celery .19
Chicory .21
Chives1.48
Collards .45
Coriander .01
Corn, sweet .01
Cucumbers .02
Eggplant .19
Endive .11
Garlic .36
Kale .02
Lettuce .33
Okra .05
Onion .05
Parsley1.70
Parsnip .04
Pea .05
Pepper .04
Potato .05
Purslane1.31
Radish .48
Rutabaga .03
Spinach .97
Squash .02
Sweet potato .24
Tomato .05
Turnip .21
Turnip greens .05
Watercress .31