Physical, biochemical, densitometric and spectroscopic techniques for characterization collagen from alternative sources: A review based on the sustainable valorization of aquatic by-products

Vagne de Melo Oliveira, Caio Rodrigo Dias Assis, Beatriz de Aquino Marques da Costa, Robson Coelho de Araújo Neri, Flávia Thuane Duarte do Monte, Helane Maria Silva da Costa Vasconcelos Freitas, Renata Cristina Penha França, Juliana Ferreira dos Santos, Ranilson de Souza Bezerra, Tatiana Souza Porto