Ergosterol

Ergosterol is a biological precursor to Vitamin D2. Ergosterol is converted into viosterol by ultraviolet light, and is then changed into ergocalciferol, which is a form of Vitamin-D. Ergosterol is a component of fungal cell membranes, serving a similar function as cholesterol serves in animal cells.

Anti fungal drug
Itraconazole is an oral anti-fungal drug that works by inhibiting ergosterol synthesis via cytochrome P-450 (CYP450)-dependent demethylation. step.

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