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April 1, 20260 citationsOpen Access

Phosphate Versus Nitrogen Limitation for Single-Cell Oil Production in Yeasts

Phosphate Versus Nitrogen Limitation: A Reactor-Scale Process Comparison for Single-Cell Oil Production in Oleaginous Yeasts

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Authors

KSKatrin SchulzPHPaula HegmannBDBastian Dreher

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Overview

Comparison of phosphate and nitrogen limitation shows differing outcomes for lipid production in oleaginous yeasts, suggesting alternative strategies for industrial processes.

Key Points

  • The aim is to compare the effects of phosphate and nitrogen limitations on lipid production in oleaginous yeasts under controlled conditions.
  • Conducted cultivations of four oleaginous yeast species in 2.5 L stirred-tank reactors
  • Compared biomass formation, lipid titres, and specific lipid production rates under different nutrient conditions
  • Utilized identical media compositions and process parameters across trials
  • Nitrogen limitation resulted in the highest lipid titre of 9.2 g L−1 from A. porosum
  • Maximum lipid titres under phosphate limitation reached 5.0 g L−1 from C. oleaginosum
  • Phosphate limitation decoupled lipid productivity from biomass formation, showing potential as a process alternative

Cite This Study

Schulz et al. (2026) studied this question.

synapsesocial.com/papers/69ccb74216edfba7beb891f6https://doi.org/10.5445/ir/1000191762
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