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单词 squalene
释义

squalene

/ˈskweɪliːn /
noun [mass noun] Biochemistry
An oily liquid hydrocarbon which occurs in shark liver oil and human sebum, and is a metabolic precursor of sterols.
  • A triterpenoid; chemical formula: C30H50.
Sebum is produced in the sebaceous glands and consists of glycerides, wax esters, squalene, and cholesterol....
  • Approximately 80% of the cholesterol in your blood is synthesized in your liver from squalene.
  • Human sebaceous glands secrete a lipid mixture of mainly triglycerides, wax esters, free fatty acids, and squalene.

Origin

Early 20th century: from Latin squalus (see squalamine) + -ene.

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更新时间:2025/3/24 8:54:11