Infrared Spectral Properties of Melanin from Black-bone Silky Fowl and Its Degradation Products
Melanin from black-bone silky fowl（BSFM） was degraded by NH4OH-H2O2 and K2CO3-H2O2 methods.BSFM and its soluble degradation products were studied by Fourier transform infrared spectroscopy.The results showed that the infrared spectra of BSFM and its soluble degradation products were much similar,and had characteristic absorption peaks in the ranges of 3600-3100 cm-1,2950-2850 cm-1,1680-1630 cm-1,1570-1515 cm-1 and 1240-1200 cm-1.From the absorption peak near 1650 cm-1,it could be speculated that backbone structure fragments of BSFM are present in its soluble degradation products derived from the action of H2O2 and that amide groups and cyclic-alkenes may be the major groups of BSFM backbone structure.
melanin from black-bone silky fowlhydrogen peroxidedegradationinfrared spectrum
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