Phytin (ˈfʌɪtɪn) is a nutrient present in plant-based foods such as seeds, grains, and legumes. The spelling of this word can be confusing due to the combination of letters "ph" and "y", which in some words represent the same sound as the single letter "f". In the case of "phytin", the "ph" represents the /f/ sound, while the letter "y" represents the /ɪ/ sound, resulting in the pronunciation of /ˈfʌɪtɪn/. It is important to note the correct spelling and pronunciation of this nutrient for individuals following a plant-based diet.
Phytin refers to a group of chemical compounds known as phytic acid salts or inositol hexakisphosphate (IP6). It is primarily found in seeds and grains, serving as a storage form of phosphorus. Phytin is a complex organic molecule consisting of a six-carbon sugar compound called inositol, combined with six phosphate groups. It is commonly present in the bran layer of cereals, legumes, and oilseeds.
Due to its high phosphorus content, phytin plays a crucial role in the growth and development of plants. It acts as a source of phosphate, an essential nutrient required for energy storage and transfer, DNA synthesis, and various cellular processes. Phytin's ability to complex with minerals, particularly iron, zinc, calcium, and magnesium, also contributes to its significance in plant nutrition.
In human nutrition, phytin poses certain challenges. It acts as an antinutrient by binding with minerals in the digestive tract, inhibiting their absorption and potentially leading to mineral deficiencies. However, phytin can also have beneficial effects, such as acting as an antioxidant and possessing anticancer properties. Some studies suggest that phytin may contribute to reducing the risk of certain chronic diseases, including colorectal cancer and cardiovascular disease, by displaying potential anti-inflammatory and cholesterol-lowering effects.
In food processing, techniques such as soaking, fermenting, and processing with phytase enzymes are employed to reduce the levels of phytin and improve mineral bioavailability.
Trade name of a potassio-magnesium of salt of an inosit-phosphoric acid, recommended as an appetizer and digestant, its action being said to be that of a powerful stimulatnt to the secretion of the gastric juice.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "Phytin" is derived from the Greek word "phyton" (φυτόν), meaning "plant". It specifically refers to the plant-based form of the compound inositol hexakisphosphate (IP6). This name reflects the fact that phytin is predominantly found in plants and plays a crucial role in their growth and development.