Vitamin K, Oral Anticoagulants, and Bone Health

摘要: Vitamin K is a fat-soluble vitamin that may have protective role against agerelated bone loss. refers to family of compounds with common chemical structure, 2-methyl-1,4-napthoquinone (Fig. 1). Phylloquinone, or K1, present in foods plant origin. Green, leafy vegetables contain the highest content phylloquinone, and contribute up 60% total phylloquinone intake (1,2). Certain oils, margarine, spreads, salad dressings, derived from are also important dietary sources whereas animal fat sources, such as butter, not (3,4). Recently, has been added varying amounts some supplements. During process hydrogenation certain phylloquinone-rich vegetable converted 2′,3′-dihydrophylloquinone, which differs parent form by saturation 2′,3′ double bond phytyl side chain (5) Dihydrophylloquinone found exclusively hydrogenated widely used industry food preparation because their physical characteristics oxidative stability.