Chemotaxonomic Study of Rhododendron

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Chemotaxonomic Study of Rhododendron

Hu Mei, Xiao Pei-Gen

Received:1900-01-01 Revised:1900-01-01 Online:1992-05-18 Published:1992-05-18
Contact: Hu Mei

Abstract

Abstract:

Analysis of 16 flavonoids and 3 other phenols in 177 samples of the genus

Rhododendron was carried out by HPTLC silica gel plate-stepwise development and

polyamide thin layer. The result reveals that the presence of monoglycosides of quercetin is a

general character of flavonoids in the Chinese rhododendrons; some taxa are characterized by

presence or absence of certain glycosides; although myricetin, and gossypetin are generally

rare in this genus, they are concentrated in some taxa, and therefore they are valuable in

chemotaxonomy. The significance of quantitative and semi-quantitative assessment of chem-

ical characters for chemotaxonomy of Rhododendron is also discussed.

Key words: Rhododendron L, Flavonoids, Flavonol glycosides, Chemotaxonomy, Quantitative analysis

Hu Mei, Xiao Pei-Gen. Chemotaxonomic Study of Rhododendron[J]. .

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