Journal
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
Volume 248, Issue -, Pages 39-46Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijfoodmicro.2017.02.011
Keywords
Cassava; Rice; Lactobacillus plantarum; Lactobacillus acidophilus; Torulaspora delbrueckii; Functional food
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Funding
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico do Brasil (CNPq)
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais (FAPEMIG)
- CAPES (Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior)
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This work aimed to develop a nondairy fermented beverage from a blend of cassava and rice based on Brazilian indigenous beverage cauim using probiotic lactic acid bacteria (LAB) and yeast. The indigenous strains Lactobacillus plantarum CCMA 0743 (from cauim) and Torulaspora delbrueckii CCMA 0235 (from tarubd), and the commercial probiotic, L. acidophilus LAC-04, were used as starter cultures in single and co-cultivations. The bacteria populations were around 8.0 log (CFU/mL) at the end of all fermentations as recommended for probiotic products. Higher residual starch contents were noted in the single LAB cultures (10.6% [w/w]) than in co-cultures (<6% [w/w]), showing that co-culture may help the digestibility. For all different assays (single and co-culture), lactic acid was the main organic acid detected (>1.6 g/L) and ethanol was lower than 0.5% (w/v) consisting in a non-alcoholic beverage. The assays containing yeast showed the highest antioxidant activity (around 10% by DPPH and ABTS methods). Therefore, a nondairy fermented beverage was successfully obtained, and the co-culture of LAB and T. delbrueckii could increase the product's functional properties. (C) 2017 Elsevier B.V. All rights reserved.
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