Fig. 5

Tandem mass spectra of the two different tetrahydroxymethoxyflavones detected in Baccharis and Hypericum dyed yarns. The spectrum of the peak detected in Hypericum matches with that of rhamnetin

Tandem mass spectra of the two different tetrahydroxymethoxyflavones detected in Baccharis and Hypericum dyed yarns. The spectrum of the peak detected in Hypericum matches with that of rhamnetin