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Biorefinery and Alternative Proteins

Sustainable protein production by harnessing plant biomass and agricultural side-streams

Biorefinery and Alternative Proteins

Sustainable protein production by harnessing plant biomass and agricultural side-streams

Our research group is dedicated to advancing sustainable protein production by harnessing plant biomass and agricultural side-streams. We explore three complementary research directions:

  1. Biorefining of green leaves: We extract feed- and food-grade proteins from green biomass such as clover and grasses. To achieve this, we have developed innovative methods including lactic acid fermentation for iso-electric point precipitation of proteins, as well as membrane filtration techniques for the separation and purification of feed proteins and native food-grade proteins.
  2. Precision fermentation in fungal cell factories: We produce animal-equivalent proteins through precision fermentation, employing fungal cell factories. These processes utilize upcycled agricultural side-streams as growth media, ensuring sustainable resource efficiency and circularity in protein production.
  3. Upcycling agricultural side-streams: We transform by-products such as brewers’ spent grain and oat husks into novel, fiber- and protein-rich food ingredients. This is achieved using edible filamentous fungi in solid-state fermentation, creating sustainable and nutritious alternatives.

Across all three research areas, we employ advanced molecular methods, comprehensive protein analysis, and cutting-edge separation technologies to ensure high-quality outcomes.