Ergosterin

/ɜːɡəˈstɛrɪn/ noun

Definition

An alternative name for ergosterol, a steroid compound found in fungi and yeast that functions similarly to cholesterol in plant cells.

Etymology

From 'ergot' and the chemical suffix '-in' combined with 'sterol'. This term represents an older nomenclature for what is now more commonly called ergosterol in modern biochemistry.

Kelly Says

Ergosterin was the original name for the compound that makes bread mold grow—it's chemically similar to cholesterol but designed to work in fungal cells instead of human ones.

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