In vitro Fermentation of Polysaccharides from Aloe vera and the Evaluation of Antioxidant Activity and Production of Short Chain Fatty Acids

Antonio Tornero-Martínez, Rubén Cruz-Ortiz, María Eugenia Jaramillo-Flores, Perla Osorio-Díaz, Sandra Victoria Ávila-Reyes, Guadalupe Monserrat Alvarado-Jasso, Rosalva Mora-Escobedo

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Soluble or fermentable fibre has prebiotic effects that can be used in the food industry to modify the composition of microbiota species to benefit human health. Prebiotics mostly target Bifidobacterium and Lactobacillus strains, among others, which can fight against chronic diseases since colonic fermentation produces short chain fatty acids (SCFAs). The present work studied the changes produced in the fibre and polyphenolic compounds during in vitro digestion of gel (AV) and a polysaccharide extract (AP) from Aloe vera, after which, these fractions were subjected to in vitro colonic fermentation to evaluate the changes in antioxidant capacity and SCFAs production during the fermentation. The results showed that the phenolic compounds increased during digestion, but were reduced in fermentation, as a consequence, the antioxidant activity increased significantly in AV and AP after the digestion. On the other hand, during in vitro colon fermentation, the unfermented fibre of AV and AP responded as lactulose and the total volume of gas produced, which indicates the possible use of Aloe vera and polysaccharide extract as prebiotics.

Original languageEnglish
Article number3605
JournalMolecules
Volume24
Issue number19
DOIs
StatePublished - 7 Oct 2019

Keywords

  • Aloe vera
  • Aloe vera polysaccharides
  • Antioxidant capacity
  • In vitro fermentation
  • SCFAs

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