Mannans and mannan oligosaccharides (MOS) from saccharomyces cerevisiae: a sustainable source of functional ingredients

Margarida Faustino, Joana Durão, Carla F. Pereira, Manuela E. Pintado, Ana P. Carvalho*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)
118 Downloads

Abstract

Sustainable industry practices and circular economy concepts encourage the transformation of production waste into by-products. Saccharomyces cerevisiae is widely used in fermentation industry worldwide, generating large amounts of spent yeast which is mainly directed to animal feed or discarded as waste. Instead of becoming and environmental problem, spent yeast can be directed to the extraction of valuable compounds such as mannans and mannan oligosaccharides (MOS). This review presents a compilation of the studies up to date regarding the different chemical, enzymatic, mechanical or physical processes addressed for mannans extraction and MOS production. Additionally, the existing studies on the chemical modification of mannans aimed to improve specific characteristics are also discussed. Finally, the more relevant bioactivities and potential applications of mannans, MOS and mannose are presented, together with products on the market containing these compounds.
Original languageEnglish
Article number118467
Number of pages15
JournalCarbohydrate Polymers
Volume272
DOIs
Publication statusPublished - 15 Nov 2021

Keywords

  • Bioactivities
  • By-products valorisation
  • Carboxymethyl mannans
  • Chemical modification
  • Extraction methods
  • Yeast

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