https://www.selleckchem.com/pr....oducts/3-amino-9-eth
In order to characterize the phenotype and to examine the effects of sun exposure on the color and structure of eumelanin (EM) and pheomelanin (PM) in alpaca fibers, we applied Soluene-350 solubilization, alkaline hydrogen peroxide oxidation (AHPO) and hydroiodic acid (HI) hydrolysis to the base and tip fibers of 20 true-black (T and 20 warm-black (W alpacas. We analyzed absorbances at 500 nm (A50 and 650 nm (A65, Free and Total pyrrole-2,3,5-tricarboxylic acid (PTCA), 2,3,4,5-tetracarboxylic acid (PTeCA) as deg
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