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Isorhamnetin3-(2,6-dirhamnosylgalactoside)-7-rhamnoside and 3-(6-rhamnosylgalactoside)-7-rhamnoside from Rhazya stricta

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Robinin and two novel glycosides: isorhamnetin 3-(6-rhamnosylgalactoside)-7-rhamnoside and 3-(2,6-dirhamnosylgalactoside)-7-rhamnoside were isolated from a leaf extract of Rhazya stricta. Naringinase catalysed hydrolysis of both glycosides removed the rhamnose from the 7-hydroxyl. The product isorhamnetin 3-(2,6-dirhamnosylgalactoside) was shown by 1H NMR to be identical with a glycoside previously isolated from Primula veris.

OriginalsprogEngelsk
TidsskriftPhytochemistry
Vol/bind26
Udgave nummer1
Sider (fra-til)291-294
Antal sider4
ISSN0031-9422
DOI
StatusUdgivet - 23 dec. 1986

ID: 232600259