from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A polycyclic aromatic ketone, based on 2-methyl-1,4-naphthoquinone.
  • n. Vitamin K1

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a form of vitamin K


Sorry, no etymologies found.


  • Low-dose supplements of vitamin K1, also known as phylloquinone, are sold in health food stores and over the Internet as a bone mass booster. - medical news plus CME for physicians

  • Vitamin K is a fat-soluble vitamin and is derived from either plants (phylloquinone or vitamin K1) or bacterial synthesis.

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  • 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.

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  • Supplements also commonly refer to the phylloquinone family of compounds as vitamin K1 and the menaquinone family of compounds as K2.

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  • Yet, both phylloquinone and menaquinone forms of vitamin K appear helpful in protecting cells-particularly nerve cells-from oxidative damage.

    The World's Healthiest Foods

  • Both phylloquinone and menaquinone forms of vitamin K are widely available in dietary supplement form.

    The World's Healthiest Foods

  • Because the phylloquinone forms of vitamin K are located in the chloroplast components of the plant cells, cooking might be able to disrupt the plant cell walls and release some of the vitamin K, which then would get measured in the laboratory where it would otherwise go undetected.

    The World's Healthiest Foods

  • These fats are critical in the formation of the myelin sheath that forms an outer wrapping around the nerves, and both phylloquinone and menaquinone forms of vitamin K have been found effective in supporting synthesis of these key nervous system components.

    The World's Healthiest Foods

  • There are two main forms of vitamin K: phylloquinone (vitamin K1) and menaquinones (vitamins K2).

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  • Vitamin K1 (phylloquinone) vitamin K2 (menaquinone) status newborns preliminary week life

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