Phytate
Phytate
Phytate (pronunciation: /ˈfaɪteɪt/), also known as inositol hexakisphosphate or IP6, is a type of phosphorous compound found in many plant tissues, especially in grains and seeds.
Etymology
The term "phytate" is derived from the Greek word "phyton" which means "plant". It was named so because it is commonly found in plant-based foods.
Description
Phytate is the principal storage form of phosphorus in many plant tissues, especially the bran portion of grains and other seeds. It contains the mineral phosphorus and the molecule inositol. Phytate is not digestible by humans or non-ruminant animals, so it is not a source of either inositol or phosphorus.
Function
Phytate plays an important role in seed germination. It also acts as a chelating agent, binding minerals like calcium, iron, zinc, and magnesium, which can affect their absorption in the human body.
Health implications
While phytate has been viewed as an anti-nutrient due to its ability to bind minerals, recent research suggests it may have potential health benefits, including antioxidant activity and a protective role against kidney stone formation and cancer.
Related terms
- Phytase: An enzyme that breaks down phytate, releasing phosphorus that can be used by the body.
- Anti-nutrient: Substances that interfere with the absorption of nutrients.
- Chelation: The process of binding ions and molecules to metal ions.
External links
- Medical encyclopedia article on Phytate
- Wikipedia's article - Phytate
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