Abstract

Adventitious root cultures of Rhus javanica L. produced large amounts of galloylglucoses (gallotannins) and an anthocyanidin, riccionidin A, formerly found only in liverworts. Production of both galloylglucoses and riccionidin A in the adventitious root culture system was suppressed by light. The Rhus root culture showed the highest productivity for those secondary metabolites in a modified Linsmaier–Skoog (LS) liquid medium containing 30 mM NH + 4 and 30 mM NO − 3 as nitrogen sources in the presence of 10 −6 M 3-indoleacetic acid (IAA).

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