The known flavonoids luteolin, cinaroside, 5-O-methylluteolin, azaleatin (3,7,3′,4′-tetrahydroxy-5-methoxyflavone), and the new natural product 3,7,3′,4′-tetrahydroxy-5-methoxyflavone 7-O-β-Dglucopyranoside (safloroside) were isolated from Carthamus tinctorius flowers and characterized by PMR and UV spectroscopy and mass spectrometry.
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Translated from Khimiya Prirodnykh Soedinenii, No. 3, May–June, 2014, pp. 386–388.
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Kurkin, V.A., Kharisova, A.V. Flavonoids of Carthamus tinctorius Flowers. Chem Nat Compd 50, 446–448 (2014). https://doi.org/10.1007/s10600-014-0983-z
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DOI: https://doi.org/10.1007/s10600-014-0983-z