THE ISOLATION AND IDENTIFICATION OF RUTIN FROM THE FLOWERS OF ELDER (SAMBUCUS CANADENSIS L.)

Abstract

A quantitative approximation of the eldrin content of air-dried elder flowers was made by extracting 233 gm., first with petroleum ether and ether and subsequently with 95 per cent alcohol, until the final extractions no longer gave a test.for flavonol.The alcoholic extract was evaporated