naphthoquinone

Thân thiện

A doctor explains the role of naphthoquinone in a healthy diet.

Definition

1. 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)

Học thuật

Noun

1. a fat-soluble vitamin that helps in the clotting of blood

Từ đồng nghĩa

• vitamin K
• antihemorrhagic factor