Pigment Melanin Scavenges Nitric Oxide In Vitro: Possible Relevance to Keloid Formation

Figure 4

Uptake of NO by sepia melanin as determined by trapping with DAF in 0.1 M phosphate buffer, pH 7.4 (see text). Black Circles: with added melanin (20 μM in 3 mL). White circles: without added melanin Mean±S.D. of 4 determinations, 𝑃<.005.