Definition of ergosterol in English:

ergosterol

Syllabification: er·gos·ter·ol
Pronunciation: /ərˈɡästəˌrôl, -ˌräl
 
/

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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