phylloquinone(redirected from vitamin K1(20))
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See vitamin K1.
(Biochemistry) a viscous fat-soluble liquid occurring in plants: essential for the production of prothrombin, required in blood clotting. Formula: C31H46O2. Also: vitamin K1
a yellowish, oily, viscous liquid, C31H46O2, that occurs in leafy vegetables, rice, bran, and hog liver or is obtained esp. from alfalfa or putrefied sardine meat or synthesized and that promotes blood clotting by increasing the prothrombin content of the blood. Also called phylloquinone, phytonadione.
a light yellow, crystalline solid, C41H56O2, having properties similar to those of vitamin K1.