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Content with tag eumelanin .

Raman spectroscopy quantification of eumelanin subunits in natural unaltered pigments

Eumelanins are large polymers composed of 5,6-dihydroxyindole (DHI) and 5,6-dihydroxyindole-2-carboxylic acid (DHICA). ROS generation is higher during the synthesis of DHI than during the synthesis...

Color measurement of the animal integument predicts the content of specific melanin forms

The appearance of animals largely depends on melanins present in their integument. However, it is unclear how different melanin forms create different animal color phenotypes. Reflectance...

Review of the main characteristics of bird integumentary melanins

Melanins are the ubiquitous pigments distributed in nature. They are one of the main pigments responsible for colors in living cells. Birds are among the most diverse animals regarding...