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Uncariols A (1) and B (2), two new phenylpropanoid-substituted flavan-3-ols, and (±)-uncariols C (3a/3b) and D (4a/4b), two pairs of new phenylpropanoid-substituted flavonol enantiomers, together with nine known compounds (5–13), were isolated from the leaves of Uncaria rhynchophylla. The structures of 1–4 were established primarily by NMR and HRESIMS experiments. The absolute configurations of the...
Phytochemical profiles of 24 quince liquors were studied as the combination of technologically variant. Liquors were obtained after macerating quinces from three varieties (Vranja, ALM3 and ZM2), with or without skin, at two ratios of quince:ethanol (50:50 and 25:75), and at two alcohol content (60% and 30%). Polyphenols were identified by LC-PDA-QTOF/MS and quantified by UPLC-PDA and UPLC-FL. A total...
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