Flavonoids in the leaves of polish species of the genus Betula L. II. The flavonoids of B. "nova" and B. humilis Schrk. leaves

Lucyna Pawłowska

Abstract


The leaves of the taxon B. "nova" were found to contain myricitrin, hyperoside, quercetin 3-glucoside, myricetin 3-digalactoside, quercitrin, quercetin 3-arabinoside, hesperidin, and probably also kaempferol 3-rhamno-7--glucoside, quercetin 3,7,4'-trimethyl ether, quercetin 7,3',4'-trimethyl ether, and dihydrohyperoside. Jentys-Szaferawa has advanced a supposition that B. "nova" may descend from B. humilis Schrk., however, since the composition of the leaf flavonoids present in the two taxa compared is quite different, these biochemical traits preclude such a possibility.

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DOI: https://doi.org/10.5586/asbp.1980.026

Journal ISSN:
  • 2083-9480 (online)
  • 0001-6977 (print; ceased since 2016)
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Polish Botanical Society