Transforming Food Sustainability with Innovation and Circularity
Objectives
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Develop safe and cost-effective PPB bioprocesses.
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Demonstrate PPB applications in food and feed chains.
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Assess nutritional, environmental, and health impacts of PPB.
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Enhance public awareness and societal acceptance.
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Promote exploitation and long-term sustainability of PPB technologies.
Key results
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Scalable PPB production validated for food-grade and feed-grade applications.
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Environmental and social impact assessment via (s)LCA and stakeholder engagement.
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A comprehensive regulatory roadmap for PPB-based products.
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Open-access knowledge shared via Zenodo and public dissemination platforms.
Stakeholders
Academics and researchers
Food production professionals
Biotechnology and food industry leaders
Policy makers
General public and consumers
Civil society and innovation networks
Purple4Life News
Purple4Life selected to advance sustainable food and feed innovation
Purple4Life – Innovative, sustainable, and circular production of purple phototrophic bacteria as a health-promoting ingredient for food and feed applications.
Project Technology Highlight: URJC’s expertise
Within Purple4Life, the team at the Universidad Rey Juan Carlos (URJC) develops bioelectrochemical technologies to convert CO₂ contained in biogas into high-value microbial biomass. Our approach integrates bioelectrochemical system (BES) with purple phototrophic bacteria (PPB) to simultaneously upgrade biomethane and generate antioxidant-rich biomass containing carotenoids and coenzyme Q10 (CoQ10)
Project Technology Highlight: CNR’s expertise
Within the framework of the Purple4Life project, CNR is developing a safety assessment workflow for PPB, focusing on their suitability as innovative food and feed ingredients
Purple4Life
Horizon Europe Project
Grant Agreement No. 101212806
Project duration: June 2025 – May 2029
Funded by the Circular Bio-based Europe Joint Undertaking (CBE JU) under the EU’s Horizon Europe programme.



