Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Related to phylloquinone: blood clotting, vitamin K


 (fĭl′ə-kwĭ-nōn′, -kwĭn′ōn)
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

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.

vitamin K2

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

vitamin K3

ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.phylloquinone - a form of vitamin K
antihemorrhagic factor, naphthoquinone, vitamin K - a fat-soluble vitamin that helps in the clotting of blood
References in periodicals archive ?
According to them, eating approximately a serving of leafy green vegetables may help slow the decline of cognitive abilities in older age, perhaps because of the protective effects chemical substances like lutein, folate, beta-carotene and phylloquinone that vegetables have on the brain.
Phylloquinone (K1), found in plants, provides most of the vitamin K in our diets.
Atherosclerosis has published a long-term study that explored the relationship between intake of phylloquinone and menaquinones (vitamins K1 and K2, respectively) and risk of peripheral arterial disease (PAD).
8220;Changes in parameters of bone metabolism in postmenopausal women following a 12-month intervention period using dairy products enriched with calcium, vitamin D, and phylloquinone (vitamin K(1)) or menaquinone-7 (vitamin K (2)): the Postmenopausal Health Study II” Calcif Tissue Int 90:251-62 (2012).
Dietary phylloquinone and menaquinones intakes and risk of type 2 diabetes.
Vitamin K distribution in rat tissues: dietary phylloquinone is a source of tissue menaquinone-4.
Key nutrients measured were ascorbic acid (vitamin C), tocopherols (vitamin E), phylloquinone (vitamin K), and beta-carotene (a vitamin A precursor), plus other related carotenoids in the cotyledons.
is rich in vitamins like Cyanocobalamin (B12), Pyridoxine (B6), Riboflavin (B2), Thiamin (B1), Tocopherol (E) and Phylloquinone or phytonadione (K) (BRANGER et al.
Vermeer, "Determination of Phylloquinone and Menaquinones in Food: Effect of Food Matrix on Circulating Vitamin K Concentrations," Haemostasis 30, 298-307 (2000).
There are two main forms of vitamin K: vitamin Kl, or phylloquinone, which is found in leafy green vegetables and accounts for about 90% of the vitamin K in a typical Western diet; and vitamin K2, or menaquinones, which can be synthesized in the digestive tract by microflora.
Neogi and her associates defined vitamin K deficiency as a plasma level of phylloquinone less than 0.
Vitamin K exists in two natural forms: vitamin K1, or phylloquinone, found largely in green leafy vegetables, as well as some vegetable oils, such as canola and soybean oils; and vitamin K2, or menaquinone, for which meat and cheese are the primary dietary sources.