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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: J Funct Foods. 2009 Jan 1;1(1):74–87. doi: 10.1016/j.jff.2008.09.011

Table 1.

Summary of the data used to identify galangin phase-II conjugates produced by CaCo-2/TC7 cells.

Galangin conjugatea [M+H]+ = 463 detected? [M+H]+ = 376 detected? UV Trace Standard Treatment with glucuronidase Treatment with sulphatase Probable identification
G1 Yes No Flavonol-likeb. None available Rapid disappearance of peak with increase in aglycone Minimal effect G-5-GlcA
G2 Yes No Flavonol-likeb. Spectrum similar to K-3-GlcA (K2); see Table 3 and Figure 3. None available Rapid disappearance of peak with increase in aglycone Minimal effect G-3-GlcA
G3 Yes No Flavonol-likeb. Spectrum similar to K-7-GlcA (K3); see Table 3 and Figure b3. None available Rapid disappearance of peak with increase in aglycone Minimal effect G-7-GlcA
G4 No Yes Flavonol-likeb. None available Very minimal peak disappearance over hours that might be due to oxidation Rapid disappearance of peak G-S (unknown conjugation position)
a

Refer to figure 1 for the corresponding chromatogram.

b

Distinct bands at 250-280 nm and 350-400 nm.