noun
ergosterin
A sterol found in fungi and yeast; a precursor to vitamin D2. Also known as ergosterol (エルゴステロール).
See also: エルゴステロール
エルゴステリンは紫外線を浴びるとビタミンD2に変わる。
Ergosterin turns into vitamin D2 when exposed to ultraviolet light.
Synonym; エルゴステロール is the more common term in modern biochemistry.
Loanword from German 'Ergosterin' or English 'ergosterin'.