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. Author manuscript; available in PMC: 2011 Jun 7.
Published in final edited form as: Mol Pharm. 2010 Jun 7;7(3):664–679. doi: 10.1021/mp900223c

Table.1.

The conversion factors (K) are showed at different wavelengths for all seven glucuronides of HFs, and all six mono glucuronides of diHFs.

Glucuronide wavelength (λmax, nm) K (conversion factor)
2′-Hydroxyflavone 2′-O-G 254 1.26±0.08
3′-Hydroxyflavone 3′-O-G 254 0.93±0.02
4′-Hydroxyflavone 4′-O-G 254 1.16±0.02
3-Hydroxyflavone 3-O-G 254 0.96±0.06
5-Hydroxyflavone 5-O-G 254 0.84±0.13
6-Hydroxyflavone 6-O-G 254 0.99±0.03
7-Hydroxyflavone 7-O-G 254 0.96±0.03
3,4′-Hydroxyflavone 3-O-G 254 1.02±0.03
3,4′-Hydroxyflavone 4′-O-G 254 0.87±0.03
3,5-Hydroxyflavone 3-O-G 263 1.38±0.03
3,7-Hydroxyflavone 3-O-G 254 1.29±0.03
3,7-Hydroxyflavone 7-O-G 254 0.86±0.09