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Generic Protocol for Optimization of Heterologous Protein Production Using Automated Microbioreactor Technology

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Bioprocess Engineering for Cultivated Meat.

Julia Bernfeld^1,2, Simon Zschieschang^1,2, Marline Kirsch²

¹Institute of Technical Chemistry, Leibniz University of Hannover, Hannover, Germany.

Advances in Biochemical Engineering/Biotechnology

|October 14, 2025

Summary

This summary is machine-generated.

Cultivated meat (CM) production requires advanced bioprocessing for scalability and cost-effectiveness. Innovations in upstream and downstream processes, alongside techno-economic modeling, are key to making sustainable meat alternatives a commercial reality.

Keywords:

Cell culture Cultivated meat Downstream processing Process control Scale-up Upstream processing

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Area of Science:

Biotechnology
Food Science
Chemical Engineering

Background:

Conventional meat production faces environmental, ethical, and food security challenges.
Cultivated meat (CM) offers a potential sustainable alternative.
Scalable and cost-effective bioprocessing is crucial for CM commercialization.

Purpose of the Study:

To explore the comprehensive bioprocessing pipeline for cultivated meat (CM).
To identify key challenges and strategies in upstream and downstream CM production.
To discuss economic barriers and emerging technologies for CM optimization.

Main Methods:

Review of upstream bioprocessing: cell line development, culture scale-up (batch, fed-batch, perfusion).
Analysis of downstream processing: biomass harvesting, purification, and product structuring.
Evaluation of cost reduction strategies and emerging technologies (AI, machine learning).

Main Results:

Sterility, process monitoring, and cell proliferation/differentiation are critical upstream considerations.
High media costs and capital expenditure are significant economic barriers.
Media recycling, bulk sourcing, and in-house production are explored for cost reduction.

Conclusions:

Continued innovation in bioprocess engineering is essential for scalable and sustainable cultivated meat.
Techno-economic modeling will guide the optimization of CM production.
Emerging technologies like AI and digital twins show promise for future operational improvements.