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A New Flavone O-Glycoside and Other Constituents from Wheat Leaves (Triticum aestivum L.)

Lene H. Harder and Lars P. Christensen*

Department of Fruit, Vegetable and Food Science, Danish Institute of Agricultural Sciences, Kirstinebjergvej 10, DK-5792 Aarslev, Denmark.

Fax: +45Ð63 90 43 95. E-mail: larsp.christensen@agrsci.dk

* Author for correspondence and reprint requests

Z. Naturforsch.55 c,337Ð340 (2000); received February 24/March 10, 2000 Triticum aestivum, Gramineae, C-Glycosylflavones

From leaves ofTriticum aestivuma new O-glycosylflavone has been isolated together with chlorogenic acid and its 3⬘-methyl ether and 6 C-glycosylflavones. The structure of the new flavonoid was determined by 1D and 2D NMR techniques and other spectral evidence as 5,7-dihydroxy-3⬘,4⬘,5⬘-trimethoxyflavone-7-O-β-rutinoside.

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