Journal
CHEMISTRY OF NATURAL COMPOUNDS
Volume 54, Issue 5, Pages 860-863Publisher
SPRINGER
DOI: 10.1007/s10600-018-2499-4
Keywords
Dracocephalum palmatum; Lamiaceae; (S)-eriodictyol-7-O-(6'''-O-malonyl)-beta-D-glucopyranoside; (S)-eriodictyol-7-O-(4'''-O-malonyl)-beta-D-glucopyranoside; pyracanthoside-6 ''-O-malonate; pyracanthoside-4 ''-O-malonate
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Funding
- FASO Russia [0337-2016-0006, AAAA-AA17-117011810037-0]
- Ministry of Education and Science of Russia [20.7216.2017/6.7]
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Two new glycosides of eriodictyol were isolated from the aerial part of Dracocephalum palmatum and identified using UV, NMR, and CD spectroscopy and mass spectrometry as (S)-eriodictyol-7-O-(6 ''-O-malonyl)-beta-D-glucopyranoside (pyracanthoside-6 ''-O-malonatel) and (S)-eryodictyol-7-O-(4 ''-O-malonyl)-beta-D-glucopyranoside (pyracanthoside-4 ''-O-malonate, 2). The stabilities of 1 and 2 were studied under simulated stomach and intestinal conditions.
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