. Author manuscript; available in PMC: 2012 Jul 25.

Published in final edited form as: J Agric Food Chem. 2010 Sep 8;58(17):9384–9395. doi: 10.1021/jf904561e

Table 4.

Diagnostic shift in Band II of the 5-O-glucuronides in relation to corresponding aglycone

Compound	Aglycone or Glucuronide (O-G)	λ_max, nm		Diagnostic shifts in Band II in relation to Aglycones	Figure number in SI
Compound	Aglycone or Glucuronide (O-G)	Band II	Band I	Diagnostic shifts in Band II in relation to Aglycones	Figure number in SI
5HF	Aglycone	267.7	334.1		2.12
5HF	5-O-G	258.2	324.1	−9.5 nm	2.12
5H7MF	Aglycone	267.7	310.3		2.13
5H7MF	5-O-G	258.2	310.3	−9.5 nm	2.13
5,4’DHF	Aglycone	267.7	329.4		2.23
5,4’DHF	5-O-G	262.9	334.1	−4.8 nm	2.23
5,6DHF	Aglycone	281.9	ND^*		2.24
5,6DHF	5-O-G	272.4	310.3	−9.5 nm	2.24
5,4’DH7MF	Aglycone	267.7	338.9		2.29
5,4’DH7MF	5-O-G	258.2	334.1	−4.8 nm	2.29
Galangin	Aglycone	262.9	357.8		2.33
Galangin	5-O-G	258.2	353.2	−4.7 nm	2.33

ND means not detected by the Empower software in the spectra