Potential prebiotic properties of cashew apple (Anacardium occidentale L.) agro-industrial byproduct on Lactobacillus species

Francisca Nayara Dantas Duarte, Jéssica Bezerra Rodrigues, Maiara da Costa Lima, Marcos dos Santos Lima, Maria Teresa Bertoldo Pacheco, Maria Manuela Estevez Pintado, Jailane de Souza Aquino, Evandro Leite de Souza*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)

Abstract

BACKGROUND: The prebiotic effects of a cashew apple (Anacardium occidentale L.) agro-industrial byproduct powder (CAP) on different potentially probiotic Lactobacillus strains, namely Lactobacillus acidophilus LA-05, Lactobacillus casei L-26 and Lactobacillus paracasei L-10, were assessed using in vitro experimental models. Accordingly, the growth of the Lactobacillus strains when cultivated in a broth containing CAP (20 or 30 g L−1), glucose (20 g L−1) or fructooligosaccharides (FOS) (20 g L−1) was monitored over 48 h; the prebiotic activity scores of CAP were determined; and the changes in pH values, production of organic acids and consumption of sugars in growth media were verified. RESULTS: During the 48-h cultivation, similar viable cell counts were observed for the Lactobacillus strains grown in the different media tested. The CAP presented positive prebiotic activity scores toward all the tested Lactobacillus strains, indicating a desirable selective fermentable activity relative to enteric organisms. The cultivation of the Lactobacillus strains in broth containing glucose, FOS or CAP resulted in high viable cell counts, a decreased pH, the production of organic acids and the consumption of sugars over time, revealing intense bacterial metabolic activity. CONCLUSION: The CAP exerts potential prebiotic effects on different potentially probiotic Lactobacillus strains and should be an added-value ingredient for the food industry.

Original languageEnglish
Pages (from-to)3712-3719
Number of pages8
JournalJournal of the Science of Food and Agriculture
Volume97
Issue number11
DOIs
Publication statusPublished - 30 Aug 2017

Keywords

  • Agro-industrial byproduct
  • Cashew
  • Lactobacilli
  • Prebiotic activity

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