What are the foods containing oxalic acid?

Oxalic acid is a naturally occurring compound found in many plants. Here are some common foods that contain oxalic acid:

1. Spinach: Spinach is a leafy green vegetable that is high in oxalic acid.

2. Rhubarb: Rhubarb is a vegetable with a tart flavor that is often used in pies and desserts. It contains high levels of oxalic acid, especially in its leaves.

3. Swiss chard: Swiss chard is another leafy green vegetable that contains oxalic acid.

4. Beets: Beets, both their roots and leaves, contain oxalic acid.

5. Okra: Okra, also known as ladies' fingers, is a vegetable that contains oxalic acid.

6. Sweet potatoes: Sweet potatoes contain a moderate amount of oxalic acid.

7. Nuts: Some nuts, such as almonds, peanuts, and cashews, contain oxalic acid.

8. Seeds: Certain seeds, including sesame seeds and poppy seeds, contain oxalic acid.

9. Chocolate: Chocolate, including cocoa powder and dark chocolate, contains oxalic acid.

10. Coffee: Coffee beans and brewed coffee contain oxalic acid.

11. Tea: Tea leaves and brewed tea, particularly black tea, contain oxalic acid.

It's important to note that while these foods contain oxalic acid, the amount can vary depending on factors such as the specific variety, growing conditions, and preparation methods. Additionally, some people may be more sensitive to oxalic acid than others, so it's advisable to be mindful of your intake if you have concerns. If you have a medical condition or are unsure about consuming foods high in oxalic acid, it's best to consult with a healthcare professional.