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. 2011 Oct 29;49(3):182–187. doi: 10.3164/jcbn.11-01

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Copyright © 2011 JCBN

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2 — Effect of crocetin on HO^• generation by H₂O₂ with UV irradiation. (A) ESR spin trapping measurement of HO^• generated by H₂O₂ with UV irradiation for 5 sec with CYPMPO (5.0 mM) as the spin trap in the presence of crocetin (0, 125, 250, 500, 1,000 µM). (B) The effects of crocetin on HO^• generation by H₂O₂ with UV irradiation. The signal intensity of the seventh peak of the spectrum was normalized as the relative height against the signal intensity of the control. Results are expressed as the percentage of the mean control value and are represented as mean ± SD. * significant difference (p<0.05) versus the corresponding control value.