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 ?
Dietary phylloquinone intake and risk of type 2 diabetes in elderly subjects at high risk of cardiovascular disease.
Phylloquinone plays an important role in coagulation, bone metabolism, and vascular health (2-8).
Men who consumed high amounts of phylloquinone were also less likely to smoke and were more likely to exercise or take dietary supplements.
People over the age of 65 consume more phylloquinone (the most common form of vitamin K) than 20-to-40 year olds.
Chapter titles: Fat and Nutrition; Oxidation Products and Metabolic Processes; Formation of Free Radicals and Protection Mechanisms in Vitro and in Vivo; Changes of Nutrients at Frying Temperatures; Enzymatic Methods far the Study of Thermally Oxidised Oils and Fats; Determination of Oxidation Compounds and Oligomers by Chromatographic Techniques; Nutrient Antioxidants and Stability of Frying Oils: Tocochromanols, [beta]-Carotene, Phylloquinone, Ubiquinone 50; Non-nutrient Antioxidants and Stability of Frying Oils; Phytosterols and Stability of Frying Oils; Palm Oil in Frying; Safety and Reliability During Frying Operations -- Effects of Detrimental Components and Fryer Design Features; Followed by a Subject Index.
The journal Neurobiology of Aging describes a study conducted by researchers at the University of Montral which uncovered an association between higher serum phylloquinone (vitamin K1) levels and better verbal episodic memory in older adults.
In contrast to the seven positive Japanese studies, in a double-blind trial, 381 postmenopausal women received phylloquinone 1 mg/day, MK4 45 mg/day, or placebo for 12 months.
Research: Investigators evaluated the association between dietary intake of phylloquinone (vitamin K1) and menaquinones (vitamin K2) and total and advanced prostate cancer in the Heidelberg cohort of the European Prospective Investigation into Cancer and Nutrition.
9 Phylloquinone and menaquinone are forms of which vitamin necessary for blood clotting?
All mice in the study had the same amount of phylloquinone (vitamin K) in their diet.
Diurnal variation in total and undercarboxylated osteocalcin: influence of increased dietary phylloquinone.
Phylloquinone, the most common form of vitamin K, was the researchers' benchmark for vitamin K intake.