What Are Anti-nutrients? Part 2 - Tannins, Oxolates, Glucosinolates

In the last blog (What are anti-nutrients? part 1) we covered the anti-nutrients phytic acid, lectins, and saponins. This week we will talk about a few more antinutrients that are commonly found in your pantry. Anti-nutrients can prevent the absorption of nutrients found in our healthy natural foods. It is important to know these and some information on how to reduce the number of anti-nutrients in your food. 

Oxalates

Oxalates are found in beans and berries and are common in most dark green vegetables. Oxalates can cause kidney stones by binding with calcium to create calcium oxalate crystals in urine. They can cause calcium deficiency (Hypocalcemia) and osteoporosis. 

Tannins

Tannins are found in certain fruits, and seeds, as well as tree bark, leaves, and roots. Found in mostly bitter-tasting, yellow or brown colored foods. Tannins prevent absorption of iron and may cause nausea if over-consumed on an empty stomach. 

Glucosinolates

Glucosinolates are found in broccoli, brussel sprouts, and kale, and are known to be in foods with a bitter taste. They prevent the consumption of iodine which can enlarge the thyroid gland causing a goiter. These are often not toxic unless consumed in large amounts. They can have some positive nutritional value if consumed properly. 

While all of these anti-nutrients are not toxic when eaten in moderate amounts, it's important to remove as much of these from your foods as possible so you will be able to process all the healthy nutrients in your healthy foods. The best way to reduce these anti-nutrients from your food is to soak them before preparing. This will help with the absorption of all the healthy nutrients in your food. 

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Related Blogs:

• What Are Anti-nutrients? Part 1 - Phytates, Saponins, Lectins
• What is the Difference Between Folate and Folic Acid?
• What are Beta-Glucans?

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