Ergosterol 75%, 5 g

Ergosterol or provitamin D2 is a biological precursor of Vitamin D2. It is found predominantly in cell membranes of fungi and protists such as trypanosomes. Ergosterol has been used: as a component of yeast cell monolayer models, to study the effects of steroidal and triterpenoid saponins on the monolayersas a standard sample, to isolate and identify a fungal metabolite fraction containing ergos

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