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The Global Insight

Which foods contain oxalic and phytic acids

Author

Ava Hall

Updated on March 24, 2026

Phytic acid is found in bran, wholegrain cereals and the seed coats of beans and grains. Oxalic acid is found in particularly high quantities in rhubarb and spinach.

What foods contain phytates and oxalates?

Oxalates in green leafy vegetables, tea, beans, nuts, beets—can bind to calcium and prevent it from being absorbed. Phytates (phytic acid) in whole grains, seeds, legumes, some nuts—can decrease the absorption of iron, zinc, magnesium, and calcium.

What foods are high in oxalate acid?

  • Spinach. Leafy greens like spinach contain many vitamins and minerals, but they’re also high in oxalates. …
  • Soy Products. …
  • Almonds. …
  • Potatoes. …
  • Beets. …
  • Navy Beans. …
  • Raspberries. …
  • Dates.

Where are oxalic and phytic acids found?

The oxalic acid content is high in foods such as spinach, chocolate or cocoa products and lower in beans, sweet potato, soybean products, kale and okra. Phytic acid is found in seeds and in soybeans.

What fruits are high in oxalic acid?

[3] Foods high in oxalate include: spinach, rhubarb, cocoa, chocolate, tea, beer, peanut butter, green beans, beets, Swiss chard, collards, eggplant, sweet potatoes, blueberries, Concord grapes, raspberries, wheat products (especially bran), and certain nuts.

Which food or food group contains phytates?

Phytates are found in all grains and seeds of cereals, oil-bearing plants, and legumes, and also in roots, tubers, fruits, nuts, and vegetables.

Do bananas have phytic acid?

No detectable phytate (less than 0.02% of wet weight) was observed in vegetables such as scallion and cabbage leaves or in fruits such as apples, oranges, bananas, or pears. As a food additive, phytic acid is used as the preservative, E391.

How can I reduce oxalate in my body?

  1. Eat fewer high-oxalate foods. …
  2. Increase the amount of calcium in your diet. …
  3. Limit the vitamin C content of your diet. …
  4. Drink the right amount of fluids every day. …
  5. Eat the right amount of protein daily. …
  6. Reduce the amount of sodium in your diet.

Are bananas high oxalate?

Bananas may be a particularly helpful remedy against kidney stones, as they are rich in potassium, vitamin B6 and magnesium and low in oxalates.

Is tomato oxalic acid?

The correct answer is Oxalic acid. Oxalic acid is a chemical compound that occurs naturally in almost every plant to some degree, including fruit, vegetable and grain plants. … Oxalic acid content of tomatoes is about 50 mg per 100 g serving.

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Is Ginger high in oxalates?

Ginger & Kidney Stones Ginger does have a fair amount of oxalate. And, most of that oxalate is soluble, which makes it more absorbable. (12) It is unlikely that eating or cooking with ginger will add a significant amount of oxalate to your diet.

What are the symptoms of high oxalates?

Oxalate dumping is believed to occur when you eliminate oxalate-rich foods from your diet very quickly, resulting in symptoms like cramps, dizziness, pain, and fatigue.

Are eggs high in oxalate?

Bananas, peaches, blueberries and strawberries are perfect toppings. More trouble, but no oxalate, eggs any way at all.

Do apples have oxalic acid?

Wood apple, containing 915.5 mg per cent oxalic acid, is used more as pickle than fruit.

Does lemon juice neutralize oxalic acid?

The ingestion of the lemon juice seems to dissipate a effect of great quantity of citrates which in turn increases the excretion of oxalates. The presence of these two elements simultaneously: citrate and oxalate compensate for their opposite effect.

Is chocolate high in oxalic acid?

As well, dark chocolate, cocoa powder, and cocoa beans all contain moderate to high levels of oxalates, an antinutrient. You may have come across oxalates in reading about spinach or rhubarb. Oxalates are of particular concern due to the role they play in the formation of some kidney stones.

Does oats have phytic acid?

Oats contain phytic acid, which impairs the absorption of iron, zinc, calcium, and more, and blocks the production of digestive enzymes, making your oats much harder on your stomach. Reduction of phytic acid is just one reason that traditional cultures usually soak, sprout, or ferment their nuts, seeds, and grains.

Do eggs have phytic acid?

✅Mineral deficiencies that may be caused by phytic acid in high plant matter diets are rarely a concern for those who also consume a diet that is balanced & high in digestive enzymes, probiotics & animal proteins (diary, meat, eggs.) Animal based foods don’t have phytic acids.

Do lentils contain phytic acid?

FoodPhytic AcidLentils0.3–1.5%Maize, corn0.7–2.2%Peanuts0.2–4.5%Peas0.2–1.2%

Does tomato have lectin?

Lectins are naturally occurring proteins that are found in most plants. Some foods that contain higher amounts of lectins include beans, peanuts, lentils, tomatoes, potatoes, eggplant, fruits, and wheat and other grains. Lectins serve a protective function for plants as they grow.

How do you remove phytic acid from beans?

Put beans in a glass container and cover with warm water by 2 inches (5 cm). Stir in the activator, cover, and leave in a warm place 12 to 36 hours. Longer soaking removes additional phytic acid; if soaking longer than 12 hours, however, change the water and activator every 12 hours.

How do you remove phytic acid from nuts?

It is true that nuts contain phytic acid, or phytates, which can bind with minerals, making them unavailable to the body. But while soaking nuts in salted water may reduce phytic acid levels, the amount of phytates in nuts is too small to cause a mineral deficiency in either children or adults.

Does cabbage contain oxalates?

Vegetables that contain oxalates are not good for your kidney stone diet. Stick to vegetables like broccoli, cauliflower, potatoes, carrots, green beans, tomatoes, kale, cabbage, and lettuce. These vegetables do not contain oxalates and can help you decrease the risk of kidney stones.

Is Turmeric high in oxalates?

Turmeric contains oxalates and this can increase the risk of kidneys stones. “The consumption of supplemental doses of turmeric can significantly increase urinary oxalate levels, thereby increasing risk of kidney stone formation in susceptible individuals.”

How do potatoes reduce oxalates?

The present data suggested that boiling was most effective in reducing soluble oxalate content of vegetables compared to steaming and baking (used only for potatoes). The loss of soluble oxalate was 30-87% for boiling and only 5-19% (not including spinach, green Swiss chard leaves, and carrots) for steaming.

Which nuts are low in oxalates?

  • Coconut.
  • Macadamia Nuts.
  • Pecans.
  • Pistachios.
  • Walnuts.

What are the worst foods for kidney stones?

Avoid stone-forming foods: Beets, chocolate, spinach, rhubarb, tea, and most nuts are rich in oxalate, which can contribute to kidney stones. If you suffer from stones, your doctor may advise you to avoid these foods or to consume them in smaller amounts.

Does fresh garlic have oxalates?

Garlic powder’s oxalate level is very low; a teaspoon doesn’t even carry a measurable amount. If you’ve been missing oxalate-packed snacks such as potato chips, garlic powder is a great spice to get some of that addictive savory taste back into your menu.

Is Lemon a oxalic acid?

AcidSourceCitric AcidCitrus fruits like Lemon, Lime, Orange etcAcetic AcidVinegarMalic AcidApple, Apricot, Blueberries, cherries etc

Which fruits and vegetables contain oxalic acid?

  • Beet greens.
  • Rhubarb.
  • Spinach.
  • Beets.
  • Swiss chard.
  • Endive.
  • Cocoa powder.
  • Sweet potatoes.

Are lentils high in oxalate?

Consider replacing some of the meat and animal protein you would typically eat with beans, dried peas, and lentils, which are plant-based foods that are high in protein and low in oxalate.