earticle

영어

Chemotaxonomy, or chemosystematics, can be viewed as a hybrid science which can classify plants based on their unique natural products. In this study we investigated the chemotaxonomic marks of Juglans species (Juglandaceae) by studying the natural products of J. sigillata Dode. Around 20 species constitute the genus Juglans, which mainly occurs in the temperate and subtropical regions of the northern hemisphere, extending into South America. The cortex, kernel, nutshell, pericarp, root and leaf of Juglans have a long history of being used as folk remedies to treat oxidative, inflammatory, rheumatic and nociceptive diseases, as well as to relief cancer, eczema, kidneys and stomach disorders. J. sigillata, a fast growing hardwood, is indigenous to valleys and mountain slopes in southwest China provinces of Yunnan, Guizhou, Sichuan and Tibet. In this work, systematic Sephadex LH-20 open column separation of J. sigillata extracts led to the isolation of eight galloyl glucoses for the first time and their structures were extensively elucidated and determined by their spectral evidences. Our chemotaxonomic analysis indicated that galloyl glucoses in J. sigillata were interesting and galloyl glucoses may possibly be considered as a useful chemotaxonomic marker within the species of Juglans.