Phytosterol

Japanese: phytosterol
Phytosterol

…Cholesterol is a precursor of steroids that have various physiological functions in animals. Cholesterol is hardly present in plants, and plant-derived sterols are collectively called phytosterols, such as stigmasterol (Figure 4) found in soybeans and sitosterol found in cottonseed oil and soybean oil. Sterols in yeast and mushrooms are called mycosterols, and ergosterol (Figure 5) is an important molecule that is converted into vitamin D2 , which plays a role in the biotransport and deposition of calcium, when exposed to sunlight (ultraviolet rays). …

*Some of the terminology that mentions "phytosterol" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…コレステロールは動物のさまざまな生理機能をもつステロイドの前駆体となっている。コレステロールは植物にはほとんど存在せず,植物由来のステロールはフィトステロールphytosterolと総称され,ダイズなどに存在するスチグマステロール(図4)や綿実油やダイズ油中に存在するシトステロールがその例である。酵母やキノコ類のステロールはミコステロールmycosterolと呼ばれ,そのうちエルゴステロールergosterol(図5)は太陽光(紫外線)の照射によって,カルシウムの生体輸送と沈着に役割を果たすビタミンD2に転化する重要な分子である。…

※「phytosterol」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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