vitamin K1

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Definition
  1. Noun:
    • A form of vitamin K: Vitamin K1 is a specific, naturally occurring chemical compound belonging to the vitamin K group. It is the primary form found in plants, especially green leafy vegetables, and is essential for blood clotting.
Usage
  • Vitamin K1 is a fat-soluble nutrient.
  • It is used to describe the specific phylloquinone form of vitamin K obtained from dietary sources.
  • It is often discussed in contexts of nutrition, biochemistry, and medicine related to coagulation (blood clotting).
Examples
  • Noun:
    • Spinach and kale are excellent sources of vitamin K1.
    • The doctor recommended a supplement containing vitamin K1 to support proper blood clotting.
    • Vitamin K1 is less effective than some other forms for certain non-clotting functions in the body.
Advanced Usage
  • "Vitamin K1 deficiency": A condition where the body lacks sufficient vitamin K1, potentially leading to bleeding problems.
    • Newborns are often given a vitamin K1 injection to prevent deficiency.
  • "Vitamin K1 cycle": Refers to the biochemical recycling process of vitamin K1 in the liver, crucial for sustaining its clotting activity.
Variants and Related Words
  • Phylloquinone (n): The scientific name for vitamin K1.
    • Phylloquinone is the chemical term for the compound we call vitamin K1.
  • Vitamin K (n): The general group of vitamins including K1, K2 (menaquinone), and K3 (menadione).
  • Menadione (n): Synthetic vitamin K3, a related but distinct compound.
  • Menaquinone (n): Vitamin K2, a form produced by bacteria and found in some animal products and fermented foods.
Synonyms
  • Phylloquinone: The direct biochemical synonym.
  • Phytonadione: A pharmaceutical name for synthetic vitamin K1 used in medications.
Notes on Meaning
  • Primary Meaning: The specific, plant-derived form of vitamin K essential for the synthesis of clotting factors in the liver.
  • Contrast with Vitamin K2: While both are vitamin K, K1 (phylloquinone) is primarily for blood clotting and comes from plants. K2 (menaquinone) has roles in bone and cardiovascular health and comes from bacterial fermentation and animal products.
Noun
  1. a form of vitamin K

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