Use of red onion skin (Allium cepa L.) in the production of bioactive extract and application in water-absorbing cryogels based on corn starch

Élder Pacheco da Cruz, Estefani Tavares Jansen, Laura de Vasconcelos Costa, Estefânia Júlia Dierings de Souza, Laura Martins Fonseca, Eliézer Ávila Gandra, Elessandra da Rosa Zavareze, Álvaro Renato Guerra Dias