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单词 squalene
释义

Definition of squalene in English:

squalene

noun ˈskweɪliːnˈskweɪlin
mass nounBiochemistry
  • 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

    Example sentencesExamples
    • Olive oil also contains squalene and oleuropein, which are powerful antioxidants, protecting blood cholesterol from oxidation.
    • Human sebaceous glands secrete a lipid mixture of mainly triglycerides, wax esters, free fatty acids, and squalene.
    • Olive oil is rich in monounsaturated fat and antioxidant compounds including oleuropein and squalene.
    • Approximately 80% of the cholesterol in your blood is synthesized in your liver from squalene.
    • Sebum is produced in the sebaceous glands and consists of glycerides, wax esters, squalene, and cholesterol.

Origin

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

 
 

Definition of squalene in US English:

squalene

nounˈskwālēnˈskweɪlin
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

    Example sentencesExamples
    • Olive oil is rich in monounsaturated fat and antioxidant compounds including oleuropein and squalene.
    • Human sebaceous glands secrete a lipid mixture of mainly triglycerides, wax esters, free fatty acids, and squalene.
    • Sebum is produced in the sebaceous glands and consists of glycerides, wax esters, squalene, and cholesterol.
    • Olive oil also contains squalene and oleuropein, which are powerful antioxidants, protecting blood cholesterol from oxidation.
    • Approximately 80% of the cholesterol in your blood is synthesized in your liver from squalene.

Origin

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

 
 
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更新时间:2024/9/20 20:30:03