Journal of Natural Medicines 2008-01-01

Two new maltol glycosides and cyanogenic glycosides from Elsholtzia rugulosa Hemsl.

Haizhou Li, Tatsuya Nakashima, Takashi Tanaka, Ying-Jun Zhang, Chong-Ren Yang, Isao Kouno

Index: J. Nat. Med. 62(1) , 75-8, (2008)

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Abstract

Two new maltol glycosides, maltol 6'-O-beta-D-apiofuranosyl-beta-D-glucopyranoside and maltol 6'-O-(5-O-p-coumaroyl)-beta-D-apiofuranosyl-beta-D-glucopyranoside, were isolated from Elsholtzia rugulosa Hemsl. along with 11 known compounds including prunasin and amygdalin. The structures were determined on the basis of spectroscopic and chemical evidence. This is the second example of isolation of cyanogenic glycosides from Lamiaceous plants.