Top 10 Companies in the Food Grade Gaprin Industry (2026): Leading the Sustainable Protein Revolution

In Business Insights
February 16, 2026


The Global Food Grade Gaprin Market was valued at USD 52.8 Million in 2025 and is projected to reach USD 96.3 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 6.8% during the forecast period. This significant growth is primarily driven by the escalating global demand for sustainable and alternative protein sources, increased environmental concerns regarding traditional livestock farming, and the rising consumer awareness of nutrition and food security.

As the food industry pivots towards more sustainable and efficient production methods, the spotlight is on the pioneering biotechnology firms that are transforming natural gas into high-quality, edible protein. In this blog, we profile the Top 10 Companies in the Food Grade Gaprin Industry—a group of innovative leaders who are commercializing single-cell protein and shaping the future of the global food supply chain.


🔟 1. Unibio

Headquarters: Copenhagen, Denmark
Key Offering: UniProtein® (Food Grade Gaprin)

Unibio is a global pioneer in the production of single-cell protein, utilizing its proprietary U-Loop® fermentation technology to convert natural gas into its high-quality UniProtein®. This protein is characterized by its high nutritional value, excellent amino acid profile, and sustainability credentials, making it suitable for aquaculture, animal feed, and human food applications.

Sustainability Initiatives:

  • Proprietary U-Loop® technology for highly efficient gas fermentation

  • Significantly lower land and water footprint compared to traditional protein sources

  • Active pursuit of regulatory approvals for human consumption in key global markets

Download FREE Sample Report: Food Grade Gaprin Market – View in Detailed Research Report


9️⃣ 2. Calysta, Inc.

Headquarters: Menlo Park, California, USA
Key Offering: FeedKind® Protein

Calysta is a leading biotechnology company focused on producing sustainable, fermentative protein ingredients. Its flagship product, FeedKind® protein, is a natural, traceable, and nutritious feed ingredient for fish, livestock, and pets, with clear pathways for expansion into the human nutrition sector. The company operates a market-leading production facility in the UK.

Sustainability Initiatives:

  • Independent Life Cycle Assessment confirms significantly lower environmental impact

  • Strategic partnerships with global agri-food giants to scale production and distribution


8️⃣ 3. String Bio

Headquarters: Bangalore, India
Key Offering: STRING™ Bio-based Products

String Bio is an innovative biotechnology company developing novel platforms to convert methane into various high-value products. Their technology holds significant promise for producing sustainable protein ingredients like Gaprin. The company is recognized for its robust R&D and has secured funding to advance its commercialization efforts.

Sustainability Initiatives:

  • Development of a unique bioreactor platform for efficient methane conversion

  • Focus on creating circular economy solutions by utilizing waste methane streams


7️⃣ 4. METEX

Headquarters: Paris, France
Key Offering: Fermentation-derived Ingredients

METEX is a French industrial biotechnology group specializing in the production of functional ingredients through fermentation. While its core focus has been on ingredients for animal nutrition and bio-sourced chemicals, its expertise in fermentation technology positions it as a potential key player in the broader Gaprin and single-cell protein market.

Sustainability Initiatives:

  • Commitment to the circular bioeconomy through fermentation-based manufacturing

  • Investment in R&D for next-generation sustainable production processes

Download FREE Sample Report: Food Grade Gaprin Market – View in Detailed Research Report


6️⃣ 5. Nature’s Source

Headquarters: Various Global Locations
Key Offering: Sustainable Protein Concentrates

Nature’s Source represents a growing segment of ingredient suppliers focusing on sustainable and natural products for the food industry. While not exclusively a Gaprin producer, companies under this umbrella are actively exploring and sourcing novel proteins like Gaprin to meet the clean-label and sustainability demands of food manufacturers.

Sustainability Initiatives:

  • Emphasis on supply chain transparency and sustainable sourcing

  • Development of product lines that incorporate alternative proteins for environmental benefits


5️⃣ 6. Novonutrients

Headquarters: California, USA
Key Offering: High-Protein Ingredients from CO₂

Novonutrients is developing technology to transform industrial carbon emissions into high-value, high-protein ingredients for animal feed and human food. Their process, which uses specialized microbes to consume CO₂, shares the sustainable ethos of the Gaprin market and represents an adjacent, innovative pathway for protein production.

Sustainability Initiatives:

  • Direct conversion of CO₂ emissions into nutritious protein, creating a carbon-negative footprint

  • Aiming to decarbonize industry while addressing global protein demand


4️⃣ 7. Kiverdi

Headquarters: California, USA
Key Offering: Carbon Transformation Technology

Kiverdi leverages NASA-inspired carbon conversion technology to create a new generation of bio-based products. Their platform uses microbes to transform captured CO₂ into various essential ingredients, including proteins and oils, positioning them as an innovator in the space of gas-to-protein conversion.

Sustainability Initiatives:

  • Pioneering carbon-negative manufacturing processes

  • Focus on creating a circular carbon economy


3️⃣ 8. Arbiom

Headquarters: Lyon, France & Durham, North Carolina, USA
Key Offering: SylPro® (Yeast-based Single-Cell Protein)

Arbiom is a biotechnology company dedicated to advancing the development and commercialization of non-animal, traceable protein ingredients for global food and feed markets. Its flagship product, SylPro®, is a yeast-based single-cell protein derived from wood sugars, showcasing an alternative biomass-to-protein approach.

Sustainability Initiatives:

  • Utilization of non-food biomass (wood residues) to produce protein, avoiding competition with food crops

  • Technology designed for scalability and integration into existing agricultural value chains


2️⃣ 9. Deep Branch Biotechnology

Headquarters: Nottingham, United Kingdom
Key Offering: Proton™ protein

Deep Branch is a CO₂-to-protein company transforming carbon dioxide from industrial emissions into high-value, sustainable animal feed ingredients. Its Proton™ protein is produced using a proprietary microbial process, offering a highly scalable and efficient solution to the sustainability challenges of conventional protein production.

Sustainability Initiatives:

  • Production process reduces carbon footprint by over 90% compared to traditional protein sources like fishmeal

  • Strategic partnerships with major energy and feed companies to deploy technology at scale


1️⃣ 10. KnipBio

Headquarters: Massachusetts, USA
Key Offering: KnipBio Meal

KnipBio is an agricultural biotechnology company creating sustainable feed ingredients from methanol. While its initial focus is on aquaculture feed, the company’s single-cell protein production platform has the potential to be adapted for food-grade applications, contributing to the diversification of the alternative protein landscape.

Sustainability Initiatives:

  • Development of novel microbial strains for efficient protein production

  • Aims to provide a sustainable alternative to fishmeal, reducing pressure on ocean resources

Get Full Report Here: Food Grade Gaprin Market – View in Detailed Research Report


🌍 Outlook: The Future of Food Protein Is Efficient and Sustainable

The Food Grade Gaprin market is at the forefront of a transformative shift in how we produce protein. While plant-based and cultivated meats capture headlines, single-cell proteins like Gaprin offer a highly efficient and scalable solution to global food security challenges. The industry is rapidly evolving from niche R&D to commercial-scale production.

📈 Key Trends Shaping the Market:

  • Accelerated regulatory pathways for novel food approvals in key markets like the US and EU

  • Strategic partnerships between biotechnology startups and major food & feed corporations to scale production

  • Increasing investment in fermentation capacity and downstream processing technologies to reduce costs

  • Growing consumer and corporate acceptance of ingredients produced via gas fermentation as a sustainable alternative

Get Full Report Here: Food Grade Gaprin Market – View in Detailed Research Report

The companies listed above are not only producing innovative protein ingredients—they’re building the foundation for a more resilient and sustainable global food system.