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Ohmic heating : a review
Knirsch, Marcos Camargo; Santos, Carolina Alves dos; Vicente, A. A.; Penna, T. C. V.Ohmic heating (OH) is defined as a process wherein electric current is passed through materials with the primary purpose of heating them. In OH there is no need to transfer heat through solid–liquid interfaces or inside solid particles once the energy is dissipated directly into the foods. A large number of actual and potential applications exist for OH, including blanching, evaporation, dehydration, fermentati...
Liquid-liquid extraction in the presence of electrolytes of nisin and green flu...
Mazzola, Priscila Gava; Jozala, A. F.; Magalhães, Pérola de Oliveira; Pessoa Júnior, Adalberto; Penna, T. C. V.In the biotechnology field, it has been suggested that extractions in two-phase aqueous complex-fluid systems can possibly be used instead of, or as complementary processes to, the more typical chromatographic operations, to reduce the cost of the downstream processing of many biological products (Lam et al., 2004; Mazzola et al., 2006). This method offer attractive conditions to be applied in this study, there...
Nisin biotechnological production : evaluation and perspectives in the developm...
Jozala, A. F.; Silva, D. P.; Vicente, A. A.; Pessoa Júnior, Adalberto; Penna, T. C. V.; Teixeira, J. A.Nisin is a commercially available bacteriocin of the lantibiotic group produced by Lactococcus lactis ATCC 11454. The importance of nisin as an effective preservative is the fact that its spectrum of inhibitory activity includes almost all Gram-positive, Gram-negative and spoilage bacteria. With several favorable characteristics, this compound has been widely used as a natural food biopreservative. On the other...
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