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Keywords = carthamin-3′potassium salt

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9 pages, 3292 KiB  
Communication
Complete Assignment of the 1H and 13C NMR Spectra of Carthamin Potassium Salt Isolated from Carthamus tinctorius L.
by Maiko Sasaki and Keiko Takahashi
Molecules 2021, 26(16), 4953; https://doi.org/10.3390/molecules26164953 - 16 Aug 2021
Cited by 3 | Viewed by 2492
Abstract
Carthamin potassium salt isolated from Carthamus tinctorius L. was purified by an improved traditional Japanese method, without using column chromatography. The 1H and 13C nuclear magnetic resonance (NMR) signals of the pure product were fully assigned using one- and two-dimensional NMR [...] Read more.
Carthamin potassium salt isolated from Carthamus tinctorius L. was purified by an improved traditional Japanese method, without using column chromatography. The 1H and 13C nuclear magnetic resonance (NMR) signals of the pure product were fully assigned using one- and two-dimensional NMR spectroscopy, while the high purity of the potassium salt and deprotonation at the 3′ position of carthamin were confirmed by atomic adsorption spectroscopy and nano-electrospray ionization mass spectrometry. Full article
(This article belongs to the Special Issue Advances in NMR and MRI of Materials)
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