Glycolipid biosurfactant production from waste cooking oils by yeast: Review of substrates, producers and products

Janis Liepins, Karina Balina, Raimonda Soloha, Ieva Berzina, Liva Kristiana Lukasa, Elina Dace

Research output: Contribution to journalReview articlepeer-review

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Abstract

Biosurfactants are a microbially synthesized alternative to synthetic surfactants, one of the most important bulk chemicals. Some yeast species are proven to be exceptional biosurfactant pro-ducers, while others are emerging producers. A set of factors affects the type, amount, and properties of the biosurfactant produced, as well as the environmental impact and costs of biosurfactant’s production. Exploring waste cooking oil as a substrate for biosurfactants’ production serves as an effective cost‐cutting strategy, yet it has some limitations. This review explores the existing knowledge on utilizing waste cooking oil as a feedstock to produce glycolipid biosurfactants by yeast. The review focuses specifically on the differences created by using raw cooking oil or waste cooking oil as the substrate on the ability of various yeast species to synthesize sophorolipids, rham-nolipids, mannosylerythritol lipids, and other glycolipids and the substrate’s impact on the compo-sition, properties, and limitations in the application of biosurfactants.

Original languageEnglish
Article number136
JournalFermentation
Volume7
Issue number3
DOIs
Publication statusPublished - 1 Sep 2021
Externally publishedYes

Keywords

  • Circular economy
  • Microbial surfactants
  • Nonconventional yeasts
  • Used cooking oil
  • Waste valorization

Field of Science

  • 2.8 Environmental biotechnology
  • 2.9 Industrial biotechnology
  • 2.7 Environmental engineering
  • 1.6 Biological sciences

Publication Type

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database

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