Constituents of a fern, Davallia mariesii Moore. II. Identification and 1H- and 13C-nuclear magnetic resonance spectra of procyanidin B-5, epicatechin-(4 beta----8)-epicatechin-(4 beta----6)-epicatechin, and epicatechin-(4 beta----6)-epicatechin-(4 beta----8)-epicatechin-(4 beta----6)-epicatechin.
Copyright policy )Constituents of a fern, Davallia mariesii Moore. II. Identification and 1H- and 13C-nuclear magnetic resonance spectra of procyanidin B-5, epicatechin-(4 beta----8)-epicatechin-(4 beta----6)-epicatechin, and epicatechin-(4 beta----6)-epicatechin-(4 beta----8)-epicatechin-(4 beta----6)-epicatechin.
Procyanidin B-5 (1), epicatechin-(4 beta----8)-epicatechin-(4 beta----6)-epicatechin (2), and epicatechin-(4 beta----6)-epicatechin-(4 beta----8)-epicatechin-(4 beta----6)-epicatechin (3), which showed an inhibitory effect toward protein kinase C, were isolated from the rhizomes of Davallia mariesii Moore. Detailed analyses of their 1H- and 13C-nuclear magnetic resonance spectra were carried out by the use of two-dimensional nuclear magnetic resonance techniques.
- University of Toyama Japan
- KAN Research Institute Japan
Carbon Isotopes, Magnetic Resonance Spectroscopy, Plants, Medicinal, Spectrum Analysis, Molecular Sequence Data, Catechin, Carbohydrate Sequence, Biflavonoids, Proanthocyanidins, Medicine, Chinese Traditional
Carbon Isotopes, Magnetic Resonance Spectroscopy, Plants, Medicinal, Spectrum Analysis, Molecular Sequence Data, Catechin, Carbohydrate Sequence, Biflavonoids, Proanthocyanidins, Medicine, Chinese Traditional
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