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Processing of byproducts to improve nisin production by Lactococcus lactis

Jozala, A. F.; Silva, D. P.; Vicente, A. A.; Teixeira, J. A.; Pessoa Júnior, Adalberto; Penna, Thereza C. V.

In the last years, disposal from dairy industries have received a special attention due its polluting power in the environment. For this reason, studies have obtained a positive support to develop different alternatives to recycle milk whey components. One of them is its utilization as culture media, aiming to produce biomolecules with noble applications. Nisin is an extracellular peptide, produced by Lacto...


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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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia