Quantitative daily changes of flavonol glycosides in the leaves of Betula humilis Schrk.
Abstract
Rutin and hyperosid were isolated from fresh leaves of Betula humilis. The amount of flavonol glycosides increases to the! maximum quantity between 9-10 a.m. and l-2 p.m. in the period from July to September.
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PDFDOI: https://doi.org/10.5586/asbp.1976.034
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