Listar2020 por tema "2',3,4,4',6' pentahidroxichalcona"
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Chalcone-Flavanone Equilibrium in the Isomeric Mixture: 2',3,4,4',6'-Pentahydroxychalcone and Eriodictyol from Stevia lucida
(Universidad de Los Andes, 2020-12-28)From the leaves and stems of Stevia lucida Lagasca (Asteraceae), an equilibrium chalcone-flavanone isomeric mixture, composed of 2',3,4,4',6'-pentahydroxychalcone (8) (eriodictyol-chalcone) and eriodictyol (9) [ratio 8/9 ...