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A stilbene and dihydrochalcones with radical scavenging activities from Loiseleuria procumbens

Cuendet, M.
Potterat, O.
Salvi, A.
Testa, B.
Published in Phytochemistry. 2000, vol. 54, p. 871-874
Abstract A new dihydrochalcone, 6"-acetylphloridzosid, was isolated from the whole plant of Loiseleuria procumbens (L.) Desv. and identified as 2'-O-(6"-O-acetylglucopyranosyl)-4,4',6'-trihydroxydihydrochalcone by spectroscopic methods. In addition, one stilbene and three other dihydrochalcones were identified as (E)-piceid, phloretin (2',4,4',6'-tetrahydroxydihydrochalcone) phloridzosid (2'-O-glucopyranosyl-4,4',6'-trihydroxydihydrochalcone) and asebotin (2'-O-glucopyranosyl-4'-methoxy-4,6'-dihydroxydihydrochalcone), respectively. Some of these compounds showed scavenging properties towards the 2,2-diphenyl-1-picrylhydrazyl radical and antioxidant properties in a test with lysozyme.
Keywords loiseleuria procumbensericaceaeradical scavenging activitystilbenedihydrochalconee-piceidphloretolphloridzosidasebotin6 ''-acetylphloridzosidacid
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