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|Section2= |Section3= }} Polyprenols are natural long-chain isoprenoid alcohols of the general formula H-(C5H8)n-OH where n is the number of isoprene units. Any prenol with more than 4 isoprene units is a polyprenol. Polyprenols play an important function acting as natural bioregulators and are found in small quantities in various plant tissues. Dolichols, which are found in all living creatures, including man, are their 2,3-dihydro derivatives. ==Sources== Live trees are known to contain polyprenols. The needles of conifer trees are one of the richest sources of polyprenols. They are also present in shiitake mushrooms in trace amounts. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「polyprenol」の詳細全文を読む スポンサード リンク
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