Abstract
Industrial biotechnology is a continuously expanding field focused on the application of microorganisms to produce chemicals using renewable sources as substrates. Currently, an increasing interest in new versatile processes, able to utilize a variety of substrates to obtain diverse products, can be observed. A robust microbial strain is critical in the creation of such processes. Lactic acid bacteria (LAB) are used to produce a wide variety of chemicals with high commercial interest. Lactic acid (LA) is the most predominant industrial product obtained from LAB fermentations, and its production is forecasted to rise as the result of the increasing demand of polylactic acid. Hence, the creation of new ways to revalorize LA production processes is of high interest and could further enhance its economic value. Therefore, this review explores some co-products of LA fermentations, derived from LAB, with special focus on bacteriocins, lipoteichoic acid, and probiotics. Finally, a multi-product process involving LA and the other compounds of interest is proposed.
Highlights
During the last decades, the interest in the development and utilization of more sustainable energy and chemical resources increased due to worldwide concerns regarding fossil-fuel depletion and environmental protection [1]
This review aims to highlight the different industrial uses of Lactic acid bacteria (LAB), from probiotics to their use as biofactories of metabolites of interest
Lactic acid bacteria are mainly used in fermentation systems which may be performed in solid (SSF) or liquid states (SLF)
Summary
José Aníbal Mora-Villalobos 1 , Jéssica Montero-Zamora 1 , Natalia Barboza 2,3 , Carolina Rojas-Garbanzo 3 , Jessie Usaga 3 , Mauricio Redondo-Solano 4 , Linda Schroedter 5 , Agata Olszewska-Widdrat 5 and José Pablo López-Gómez 5, *. National Center for Biotechnological Innovations of Costa Rica (CENIBiot), National Center of High. Received: 15 December 2019; Accepted: 4 February 2020; Published: 10 February 2020
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