“…The genus Viburnum is known to contain triterpenoids (Machida & Kikuchi, 1997;Kagawa et al, 1998;Fukuyama et al, 2002), diterpenoids (Kubo et al, 2001;Fukuyama et al, 2005a), sesquiterpenes (Fukuyama et al, 1996), iridoids (Iwagawa & Hase, 1986;Iwagawa et al, 1990;Ç aliş et al, 1995;Tomassini et al, 1997), and polyphenols (Machida et al, 1991;Parveen et al, 1998;Lobstein et al, 2003). The biological activities of this plant could be related to these compounds.…”