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Dictionary

vitamin K₁,

a yellowish, oily, viscous liquid, C₃₁H₄₆O₂, occurring in leafy vegetables, rice, bran, hog liver, etc., or obtained esp. from alfalfa or putrefied sardine meat, or synthesized, that promotes blood clotting by increasing the prothrombin content of the blood. Also called phylloquinone, phytonadione.

vitamin K₂,

a light-yellow, crystalline solid, C₄₁H₅₆O₂, having properties similar to those of vitamin K₁.

vitamin K₃,

menadione.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

vitamin H

vitamin P

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