Abstract
Betalains are natural, water-soluble antioxidants that are used as coloring additives in foods and cosmetics, herbal agents, and mediators of redox transformations. The objective of this doctoral project is to produce and evaluate the biocompatibility of colored xerogels, cryogels, and aerogels made of silica-betalain. The betalains will be obtained through a green chemoenzymatic method a…