1970
DOI: 10.1055/s-0028-1099817
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ÜBER DIE INHALTSSTOFFE VONPASSIFLORA BRYONIOIDES

Abstract: e t h k e , C h r i s t i n e S c h w a r z u n d H . G e r l a c h Nerrn Prof. Dr. Dr. h. c. mult. K. M o t h e s zum 70. Geburtstag In unserer 1. Mitteilung [I] iiber Passiflora bryonioides H. B.K. haben wir iiber die Alkaloide berichtet, in der vorliegenden Mitteilung sollen nun die Flavon-der~vate behandelt werden. Mit dern Vorkomrnen von Flavonderivaten in ~a s s i f l o i a -~r t e n befassen sich rnehrere Arbeiten. J. L u t o m s k i und T. W r o c i h sk i [2] stellten bei ihren Untersuchungen iiber P.… Show more

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Cited by 11 publications
(6 citation statements)
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“…Owing to the different UV and fluorescence spectra of the harman alkaloids, UV detection was effected at several wavelengths, and fluorescence detection was performed in a time-programmed mode, which permits selective excitation and highest emission intensity for every single compound. Since the last studies on harman alkaloids in Passiflora incarnatu (Longo, 1968;Poethke et al, 1970;Liihdefink and Kating, 1974) revealed only harman and neither harmine, harmol, harmaline nor harmalol, the determination of the detection limit was restricted to harman. The resulting detection limit of harman was about 1.5 ng with UV detection (235 nm) and 0.5 ng using fluorescence detection.…”
Section: Resultsmentioning
confidence: 99%
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“…Owing to the different UV and fluorescence spectra of the harman alkaloids, UV detection was effected at several wavelengths, and fluorescence detection was performed in a time-programmed mode, which permits selective excitation and highest emission intensity for every single compound. Since the last studies on harman alkaloids in Passiflora incarnatu (Longo, 1968;Poethke et al, 1970;Liihdefink and Kating, 1974) revealed only harman and neither harmine, harmol, harmaline nor harmalol, the determination of the detection limit was restricted to harman. The resulting detection limit of harman was about 1.5 ng with UV detection (235 nm) and 0.5 ng using fluorescence detection.…”
Section: Resultsmentioning
confidence: 99%
“…Ambiihl (1966) again detected harman, harmine and harmol, and Bennati (1967) found harman, harmine and harmaline. Subsequent studies (Longo, 1968;Poethke et al, 1970;Lohdefink and Kating, 1974) however, could confirm the presence only of harman itself. The studies of Poethke et al (1970) and Lohdefink and Kating (1974) are the most convincing: they performed thin layer chromatographic separation with subsequent elution of t h e spots from t h c plate a n d spectrophotometric analysis which permitted identification of t h e substances by their typical UV spectra.…”
Section: Introductionmentioning
confidence: 96%
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“…25 Reference solution : 10 mg kaempferol, 10 mg quercetin, 10 mg quercitrin and 10 mg hyperoside dissolved in 10.0 mL methanol. [25][26][27][28][29][30][31][32][33] In all systems, silica gel plates (20x20 cm, 0.25 mm thickness) incorporating a fluorescent indicator, kieselgel 60 F 254 -Alufolien (E. Merck, Darmstadt, Art. [25][26][27][28][29][30][31][32][33] In all systems, silica gel plates (20x20 cm, 0.25 mm thickness) incorporating a fluorescent indicator, kieselgel 60 F 254 -Alufolien (E. Merck, Darmstadt, Art.…”
Section: Methodsmentioning
confidence: 99%
“…The fl avonoid content in Passifl ora incarnata is highest in the leaves, with peak isovitexin concentrations occurring just before the fl owering stage. 18 Figure 81.2 displays the chemical structures of these βcarboline compounds. 17 The total mean fl avonoid content in these extracts ranged from 0.37 -3.75% with most fl avonoid concentrations in the range of 1.18 -2.48%.…”
Section: Chemical Compositionmentioning
confidence: 99%