PJB-2015-84
COMPARISON ANALYSIS OF VOLATILES FROM THE LEAVES AND FLOWERS OF FOUR SAURURACEAE SPECIES
ZHAN-NAN YANG1, 2, YI-MING SUN1, SHI-QIONG LUO2, ZHENG-WEN YU2, XIN ZHOU2, DAN WU2, JING MA2 AND MIN SUN1*
Abstract
Saururaceae (lizard's tail family) comprises three genera and four species [Saururus chinensis (Loureiro) Baillon. (SC), Gymnotheca chinensis Decne. (GC), Gymnotheca involucrata Pei. (GI) and Houttuynia cordata Thunberg. (HC)] in eastern Asia, and they extend from the most primitive to the most evolutionary levels. The purpose of this study is to examine whether and to what extent the diversity of volatiles can support the accepted evolutionary scheme in Saururaceae for the four species. Volatiles from fresh leaves and flowers of Saururaceae species from different regions were analyzed comparatively by gas chromatography-mass spectrometry (GC-MS).The samples studied showed differences in the volatile profiles of leaves and flowers among the species. In the leaves and flowers, concentrations of all monoterpenes and oxides, all alcohols, all acids and all esters were highest in SC, lowest in HC, and the concentrations of these components for GC and GI were between those of SC and HC. Concentrations of all sesquiterpenes and oxides, all straight chain aliphatic hydrocarbons, all branched aliphatic hydrocarbons, all aldehydes, and all ketones were lowest in SC, highest in HC and the concentrations of these components for GC and GI were between those of SC and HC. The results in this study could support the accepted taxonomical scheme of four species in Saururaceae.
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