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2014-01-30T17:40:15Z

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{{#seo:
|title=Oxalic acid: Cooking Wiki
|titlemode=replace
|keywords=#oxalicacid #spinach #sorrel #rutabaga #parsley #cassava #sweetpotato #eggplant #purslane #okra #chives
|hashtagrev=12032020
|description=Oxalic acid is an organic compound with the formula H2C2O4
}}


[[Image:Sorrel.jpg|200px|thumb|right|[[Sorrel]], an interesting, yet fairly uncommon [[vegetable]] / [[herb]] that is high in oxalic acid.]]
Oxalic acid is an organic compound with the formula H2C2O4. It is a colourless crystalline solid that dissolves in water to give colourless solutions.
===Occurrence in foods and plants===
'''Calcium oxalate''' is the most common component of kidney stones. Early investigators isolated oxalic acid from wood-sorrel (Oxalis). Its presence makes it dangerous to eat unripe carambola or monstera fruits. Members of the [[spinach]] family are high in oxalates, as is [[sorrel]]. [[Rhubarb]] leaves contain about 0.5% oxalic acid and jack-in-the-pulpit (''Arisaema triphyllum'') contains '''calcium oxalate''' crystals.
===Industrial uses=This table was originally published in ''Agriculture Handbook No. 8-11, Vegetables and Vegetable Products'', 1984.

{| class="wikitable sortable"
|-
! Vegetable !! Oxalic acid (g/100 g)
|-
| [[Amaranth]] || {{ntsh|1.09}} 1.09
|-
| [[Asparagus]] || {{ntsh|.13}} .13
|-
| [[Snap beans|Beans, snap]] || {{ntsh|.36}} .36
|-
| [[Beet]] leaves || {{ntsh|.61}} .61
|-
| [[Broccoli]] || {{ntsh|.19}} .19
|-
| [[Brussels sprouts]] || {{ntsh|.36}} .36
|-
| [[Cabbage]] || {{ntsh|.10}} .10
|-
| [[Carrot]] || {{ntsh|.50}} .50
|-
| [[Cassava]] || {{ntsh|1.26}} 1.26
|-
| [[Cauliflower]] || {{ntsh|.15}} .15
|-
| [[Celery]] || {{ntsh|.19}} .19
|-
| [[Chicory]] || {{ntsh|.21}} .21
|-
| [[Chives]] || {{ntsh|1.48}} 1.48
|-
| [[Collards]] || {{ntsh|.45}} .45
|-
| [[Coriander]] || {{ntsh|.01}} .01
|-
| [[Sweet corn|Corn, sweet]] || {{ntsh|.01}} .01
|-
| [[Cucumbers]] || {{ntsh|.02}} .02
|-
| [[Eggplant]] || {{ntsh|.19}} .19
|-
| [[Endive]] || {{ntsh|.11}} .11
|-
| [[Garlic]] || {{ntsh|.36}} .36
|-
| [[Kale]] || {{ntsh|.02}} .02
|-
| [[Lettuce]] || {{ntsh|.33}} .33
|-
| [[Okra]] || {{ntsh|.05}} .05
|-
| [[Onion]] || {{ntsh|.05}} .05
|-
| [[Parsley]] || {{ntsh|1.70}} 1.70
|-
| [[Parsnip]] || {{ntsh|.04}} .04
|-
| [[Pea]] || {{ntsh|.05}} .05
|-
| [[Bell Pepper]] || {{ntsh|.04}} .04
|-
| [[Potato]] || {{ntsh|.05}} .05
|-
| [[Purslane]] || {{ntsh|1.31}} 1.31
|-
| [[Radish]] || {{ntsh|.48}} .48
|-
| [[Rutabaga]] || {{ntsh|.03}} .03
|-
| [[Spinach]] || {{ntsh|.97}} .97
|-
| [[Squash|Squash]] || {{ntsh|.02}} .02
|-
| [[Sweet potato]] || {{ntsh|.24}} .24
|-
| [[Tomato]] || {{ntsh|.05}} .05
|-
| [[Turnip]] || {{ntsh|.21}} .21
|-
| [[Turnip greens]] || {{ntsh|.05}} .05
|-
| [[Watercress]] || {{ntsh|.31}} .31
|}

==See also==
* http://en.wikipedia.org/wiki/Oxalic_acid
: ''reference source''

{{CategoryLineIngredients}}
[[Category:Ingredients]]
[[Category:Vitamins, minerals and supplements]]

<code 'hashtagrev:12032020'>[[Special:Search/oxalicacid|#oxalicacid]] [[Special:Search/spinach|#spinach]] [[Special:Search/sorrel|#sorrel]] [[Special:Search/rutabaga|#rutabaga]] [[Special:Search/parsley|#parsley]] [[Special:Search/cassava|#cassava]] [[Special:Search/sweetpotato|#sweetpotato]] [[Special:Search/eggplant|#eggplant]] [[Special:Search/purslane|#purslane]] [[Special:Search/okra|#okra]] [[Special:Search/chives|#chives]]
</code>

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