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  • Title: Identification of monohydroxylated metabolites of cannabidiol formed by rat liver.
    Author: Martin B, Nordqvist M, Agurell S, Lindgren JE, Leander K, Binder M.
    Journal: J Pharm Pharmacol; 1976 Apr; 28(4):275-9. PubMed ID: 6714.
    Abstract:
    Cannabidiol (CBD) was metabolized in vitro by rat liver enzymes. Unchanged CBD and eight monohydroxylated metabolites were isolated and positively identified. As previously reported, 7-hydroxy-CBD was the major metabolite. The second most abundant metabolite was 6alpha-hydroxy-CBD; whereas only a trace amount of 6beta-hydroxy-CBD was found. In addition hydroxylation occurred in all positions of the pentyl side chain, 4 inches-hydroxy-CBD being most abundant. 3 inches-Hydroxy-CBD was formed in half of the yield of 4 inches-hydroxy-CBD, while 1 inches-, 2 inches-, 5 inches-hydroxy-CBD were each formed in approximately one fourth of the yield of 4 inches-hydroxy-CBD.
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