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Effect of regiospecific glucuronidation on the λmax of Band I and Band II in the UV spectrum of flavones and flavonols
| Position of Glucuronidation |
Effect on λmax | |
|---|---|---|
| Band I | Band II | |
| 3-O | ~13–30 nm hypsochromic shift in λmax | No consistent shift in λmax |
| 7-O | No change in λmax | No change in λmax |
| 4’-O | ~4–10 nm hypsochromic shift in λmax | No consistent shift in λmax |
| 5-O | No consistent shift in λmax | ~4–10 nm hypsochromic shift in λmax |
| 6-O | No consistent shift in λmax | No consistent shift in λmax |
