dehydroretinol

Thân thiện

A scientist carefully measures a sample of dehydroretinol in the laboratory.

Definition

1. Noun:
   • A viscous alcohol that is less active in mammals than vitamin A1: "Dehydroretinol" is a specific chemical compound, a form of vitamin A found in some freshwater fish and other sources. It is chemically distinct from the more common retinol (vitamin A1) and has lower biological activity in mammals.

Examples of Usage

• Noun:
  • The study analyzed the dehydroretinol content in various fish oils.
  • Dehydroretinol, also known as vitamin A2, is an important nutrient for some species.

Advanced Usage

• Scientific Context: The term is used almost exclusively in scientific, biochemical, and nutritional contexts to discuss vitamin types and metabolism.
  • The conversion efficiency of dehydroretinol to retinal is lower in humans compared to retinol.

Variants and Related Words

• Vitamin A2: A common alternative name for dehydroretinol.
• Retinol: The standard form of vitamin A (A1), which is more active in mammals than dehydroretinol.
• Retinoid: A broader class of chemical compounds related to vitamin A, which includes both retinol and dehydroretinol.

Synonyms

• Vitamin A2: The most direct synonym, referring to the same compound in a nutritional context.

Related Phrases

• Provitamin A: Compounds that can be converted by the body into vitamin A. Dehydroretinol itself is a preformed vitamin, but its precursors (like dehydrocarotenes) could be considered provitamins.
  • Some plant pigments are provitamins for dehydroretinol in certain aquatic animals.

Related Idioms

(This term is a technical scientific noun and is not used in idiomatic expressions.)

Học thuật

Noun

1. a viscous alcohol that is less active in mammals than is vitamin A1

Từ đồng nghĩa

• vitamin a2