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Exopolysaccharides produced by Lactobacillus plantarum: technological properties, biological activity, and potential application in the food industry
- Silva, Liliane Andrade, Lopes Neto, Jose Honorio Pereira, Cardarelli, Haíssa Roberta
- Annals of microbiology 2019 v.69 no.4 pp. 321-328
- Lactobacillus plantarum, anticoagulant activity, antineoplastic activity, emulsifiers, emulsifying, exopolysaccharides, fermented foods, flocculation, food industry, glucans, lactic acid bacteria, prebiotics, probiotics, stabilizers, starter cultures, texture, viscosity
- Some lactic acid bacteria are capable of producing capsular or extracellular polysaccharides, with desirable technological properties and biological activities. Such polysaccharides produced by lactic acid bacteria are called exopolysaccharides and can be used to alter rheological properties, acting in processes involving viscosity, emulsification, and flocculation, among others. They may also be involved in prebiotic, probiotic, and biological activities, as well as having potential application in the food industry. In this mini-review, the objectives were to present some beneficial properties of exopolysaccharides (EPS) produced by Lactobacillus plantarum that have not been commercially explored. For that, the article focused to summarize revision of current publications within the following topics: (1) rheological properties, (2) prebiotic properties, (3) biological activities, and (4) potential application in the food industry. EPS produced by Lb. plantarum can be used as gelling agent, emulsifier, or stabilizer for food products. The glucan nature of the produced EPS enhances probiotic properties of this LAB species. Lactobacillus plantarum EPS has antioxidant, antibiofilm, and antitumor activities. Finally, there is an improvement in texture of fermented food products where Lb. plantarum is used as starter culture which is related to EPS production in situ. Therefore, EPS produced by Lb. plantarum have important and desirable properties to be explored for several applications, including health and food areas.