Is there any method to determine carthamidin (yellow) from safflower?

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Joe Olechno

This paper might tbe useful

Arpana Mishra

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Olga Lock

Carthamidin as a flavanone shows UV (MeOH) absorptions ( aprox.) at 290 nm (band II) and 350h nm (band I). Try to run UV spectra. If you want to quantify you need a standard or get the molar extinction coefficient.