Definition of ergosterol in English:

ergosterol

Line breaks: er¦gos|terol
Pronunciation: /əːˈgɒstərɒl
 
/

noun

[mass noun] Biochemistry
  • A compound present in ergot and many other fungi. A steroid alcohol, it is converted to vitamin D2 when irradiated with ultraviolet light.
    More example sentences
    • Maitake provides some B vitamins, ergosterol / provitamin D2, magnesium, potassium, calcium, unsaturated fatty acids, phosphatidylserine and other phospholipids, and protein.
    • Our data show that inclusion of cholesterol or ergosterol in DPPC membranes confers resistance to ethanol-induced interdigitation.
    • For example, one of the signature compounds for fungi is ergosterol, the cholesterol counterpart found in the cell walls of all fungi.

Origin

early 20th century: from ergot, on the pattern of cholesterol.

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