Quercetin-3-α-ʟ-(2-O-α-ʟ-rhamnopyranosido- arabopvranosid), ein neues Flavonolglykosid aus den Samen von Brassica nigra (L.) Koch. / Quercetin-3-α-ʟ-(2-O-α-ʟ-rhamnopyranosido-arabopyranoside), a New Flavonolglycoside from Seeds of Brassica nigra (L.) Koch

A new flavonolglycoside, quercetin-3-α-ʟ-(2-O-α-ʟ- rhamnopyranosidoarabo-pyranoside, has been isolated from seeds of Brassica nigra. Its structure is prooven by 13C-NMR.