Spray Drying of Coloring Extracts Produced by Fungi Isolated from Brazilian Caves
2020
Souza, Patrícia Nirlane da Costa | Tavares, Dérica Gonçalves | Souza, Cláudia Regina Fernandes | Martinez, Marcelo Luis Lombardi | Oliveira, Wanderley Pereira | Guimarães, Luís Henrique Souza | Cardoso, Patrícia Gomes
Abstract Pigments produced by submerged fermentation of three filamentous fungi isolated from Brazilian caves, namely Aspergillus keveii, Penicillium flavigenum, and Epicoccum nigrum, were submitted to spray drying in presence of the adjuvants maltodextrin, modified starch or gum arabic. Yellow fine powders with low moisture content and water activity, and high color retention (> 70%) were successfully generated with a high product recovery ratio (> 50%), independently of the adjuvant used. The dried products have enhanced stability and potential to might be used as a natural colorant in food and pharmaceutical applications.
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