BOTANY WITH BASICS OF HYDROBOTANY (AQUATIC PLANTS OF UKRAINE) - B.Ye. Yakubenko - 2011

IV. PLANT ANATOMY AND MORPHOLOGY

Primary Organic Compounds

Steroids

Derivatives of cyclopentanoperhydrophenanthrene are known as Steroids. These include high-molecular-weight alcohols (sterols), their fatty acid esters (sterides), components of saponins (sapogenins), cardiac Glycosides, aglycones of certain Alkaloids, and animal Hormones (such as testosterone and estrogen). Sterols include ergosterol, which is found in the Cells of Yeast, ergot, Molds, and corn and wheat grains. In animal organisms, it is converted into vitamin D under METABOLISM/18.html">The Influence of ultraviolet rays.

Last update: 07/08/2026

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