The chemical reactions and pathways resulting in the formation of polyprenols, prenols with more than 4 isoprenoid residues, which may be all-trans, or a mixture of cis and trans. [ http://www.ncbi.nlm.nih.gov/pubmed/11108713 GOC:go_curators ]
Synonyms: polyprenol biosynthesis polyprenol anabolism polyprenol synthesis polyprenol formation