A Gates Foundation grant — the first ever awarded to Southern Cross University — is funding research that could reshape how omega-3 fatty acids reach the global food and supplement supply. The Australian team aims to halve the cost of production by bypassing fish oil entirely and going straight to the marine microorganisms that generate omega-3 in the first place.
The Science Behind It
Fish don't synthesize omega-3 themselves; they accumulate it by consuming microorganisms lower in the marine food chain. Professor Dirk Erler, who leads the project through the university's Faculty of Science and Engineering, is focused on a group of those organisms called thraustochytrids — informally dubbed "throsties" by the team. By cultivating them on land through precision fermentation under controlled conditions, researchers can produce omega-3 oils without the variability, sustainability pressures, or geopolitical supply risks tied to wild-caught fish.
The cost-reduction strategy centers on feedstock substitution. Currently, precision fermentation relies on relatively expensive sugars to fuel microbial growth. The SCU team is investigating whether agricultural and food-processing by-products — waste streams that the food industry already generates in volume — can serve as lower-cost fermentation substrates. If viable, the approach would simultaneously reduce input costs and create a circular-economy use case for food-industry waste.
Why Foodservice Should Pay Attention
For operators and formulators tracking beverage industry analysis and functional ingredients, the implications extend well beyond infant nutrition. Omega-3-enriched foods — from fortified beverages and dairy analogs to prepared meals — depend on a commodity supply chain that has long been constrained by wild-catch quotas, fishy flavor challenges, and price volatility. A scalable, land-based, fermentation-derived omega-3 source would give food manufacturers greater formulation flexibility and a cleaner label story.
Biomedical scientist Dr. Nedeljka Rosic, a co-investigator on the project, frames the human-health stakes plainly: the research targets improvements in maternal and infant outcomes, including reductions in preterm births, through dietary intervention. While the immediate application is supplementation in low-income countries, the underlying production technology — cheaper, more reliable, non-fish-derived omega-3 oil — is directly relevant to any food or beverage brand investing in functional nutrition positioning.
Precision fermentation has already drawn significant investment across the alternative protein and specialty-ingredient sectors. This project adds marine-derived long-chain fatty acids to the category's expanding portfolio, complementing ongoing restaurant technology coverage of how ingredient innovation is reshaping menu development and supply chain strategy. Coverage of these trends is also tracked by Food & Beverage Magazine, which follows precision fermentation's growing role in the broader food industry.
What's Next
The research team — which also includes Dr. Shane McIntosh, postdoctoral researcher Dr. Jasmine Haskell, and PhD candidate Michael Ingram — is currently in the investigation phase, testing which by-product feedstocks produce viable yields. No commercial timeline has been stated, but the Gates Foundation backing signals confidence that the approach is technically credible and the humanitarian need is urgent.
Written by Michael Politz, Author of Guide to Restaurant Success: The Proven Process for Starting Any Restaurant Business From Scratch to Success (ISBN: 978-1-119-66896-1), Founder of Food & Beverage Magazine, the leading online magazine and resource in the industry. Designer of the Bluetooth logo and recognized in Entrepreneur Magazine's "Top 40 Under 40" for founding American Wholesale Floral, Politz is also the Co-founder of the Proof Awards and the CPG Awards and a partner in numerous consumer brands across the food and beverage sector.
