Get acquainted with your nutrients - Vitamin K
vitamin k is a fat-soluble vitamin and is known for its most important function that is normal coagulation of blood. This vitamin is heat stable and to air exposure but is destroyed by light, strong acids, alkalis, and oxidizing agents. vitamin k is a name given collectively to a few related compounds that have similar activity. Phylloquinone is the vitamin k form found naturally in plants Menaquinone is vitamin k form from bacteria Menadione is the synthetic form of vitamin k.
Sources of vitamin kvitamin k is found in a variety of foods and is also synthesized by bacteria in the colon. Good sources of vitamin k include dark green leafy vegetables such as broccoli, spinach, cabbage, Brussels sprouts, and cauliflower. It is also found in beef liver. About half of the vitamin k requirement is met by the vitamin k which comes from the bacterial synthesis in the intestine. Bile and pancreatic secretions are required for the absorption of vitamin klike any other fat-soluble vitamin. vitamin k synthesized by the bacteria in the intestine is absorbed from the lower intestine and colon.
How much vitamin k do we need?The recommended daily allowance (RDA) for adult male and female is 120 and 90 ug of vitamin k respectively.
Functions of vitamin k
- Necessary for normal blood clotting
- Involved in bone metabolism
- Required for regulating the blood calcium level