naphthoquinone
Definition
- Noun:
- A type of organic chemical compound derived from naphthalene. Specifically, it refers to a fat-soluble substance essential for blood coagulation in animals. This substance is commonly known as vitamin K.
Usage Examples
- Noun:
- The chemical structure of naphthoquinone is the basis for several important biological molecules.
- A deficiency in naphthoquinone (vitamin K) can lead to problems with blood clotting.
Advanced Usage
- Biochemical Context: In biochemistry, "naphthoquinone" specifically refers to the quinone derivative that acts as the core structure for the K vitamins (K1 and K2).
- Phylloquinone, a type of naphthoquinone, is found in green leafy vegetables.
Variants and Related Words
- Menadione (n): A synthetic form of a naphthoquinone used as a vitamin K supplement.
- Phylloquinone (n): Vitamin K1, a specific naphthoquinone found in plants.
- Menaquinone (n): Vitamin K2, a specific naphthoquinone produced by bacteria.
Synonyms
- Vitamin K (in a nutritional/biological context)
- Antihemorrhagic vitamin (archaic term)
Noun
-
a fat-soluble vitamin that helps in the clotting of blood
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