
Two novel blue pigments with ellagitannin moiety, rosacyanins A1 and A2, isolated from the petals of Rosa hybrida
Keywords: Rose; Rosa hybrida; Rosacyanin; Anthocyanidin; Ellagitannin; Blue pigment; FABMS/MS/MS; 13C isotope shift; TFA; trifluoroacetic acid (CF3COOH); TFA-d; CF3COOD; DMSO-d6; (CD3)2SO; MeOH; methanol; EtOH; ethanol; BuOH; n-butanol; HPLC; high-pressure liquid c