Acacia mearnsii gum: A residue as an alternative gum Arabic for food stabilizer
2021
Anjo, Fernando Antônio | Saraiva, Bianka Rocha | Da Silva, Jessica Bassi | Ribeiro, Yasmin Carla | Bruschi, Marcos Luciano | Riegel-Vidotti, Izabel Cristina | Simas, Fernanda Fogagnoli | Matumoto-Pintro, Paula Toshimi
Acacia mearnsii gum is not commercially exploited, being characterized as residue from A. mearnsii cultivation. This work investigated the A. mearnsii gum polysaccharide composition, its cytotoxicity and the technological effect as a stabilizer in ice cream. A. mearnsii gum showed a similar chemical structure to commercial gum Arabic and did not decrease the viability and proliferation of fibroblast cells (Balb/3T3) and hepatocarcinoma (HepG2). Rheological tests showed that the ice cream stabilized by the A. mearnsii gum had a more structured system (more interactions between the mixture components) and the same melting characteristics as the ice cream samples made with commercial gum Arabic. The results showed that A. mearnsii gum, which is actually an agro-industrial residue from tannin production for industry, is a potential stabilizing gum for the food industry, contributing to the economic development of the exploitation chain of A. mearnsii products and by-products.
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