Comparison of assayed concentrations of ergosterol (vitamin D2 precursor) and 22,23-dihydroergosterol (vitamin D4 precursor) in white and brown button mushrooms.

In this study for four samples of each type, and as reported by Shao et al. [31] for one sample at each of three stages of maturity for each mushroom type.avalues show the sum of the concentrations in the separately assayed stems and caps.breported as “ergosterol analogue”.ccrimini.