A team of chemists and chefs use fungus to transform food waste into palatable food
2024-09-20
Transforming Food Waste into Culinary Delights: The Untapped Potential of Oncom Fungus
In a remarkable discovery, researchers have uncovered the microbial secret behind a traditional Indonesian food that could revolutionize the way we tackle food waste. Oncom, a staple dish made from leftover soybean pulp, has been a part of Indonesian cuisine for centuries, and now it's poised to become a global solution to the growing problem of food waste.
Unlocking the Power of Oncom Fungus: A Sustainable Solution to Food Waste
Uncovering the Genetic Secrets of Oncom Fungus
Intrigued by the unique properties of oncom, researchers delved into the genetic makeup of the fungus responsible for its transformation. Through genetic sequencing, they identified the dominant fungal species as Neurospora intermedia, a strain that has become specially adapted to thrive on a variety of food waste substrates. This discovery suggests that the oncom fungus has undergone a process of "domestication," evolving to efficiently utilize the cellulose-rich byproducts of industrial food processing.
Transforming a Diverse Range of Food Waste
Eager to explore the full potential of the oncom fungus, the researchers tested its ability to transform a wide range of food waste, including pomace from fruit and vegetable juicing, plant-based milk byproducts, and various agricultural residues. To their delight, the fungus thrived on almost all of the waste materials, with the exception of a few, such as olive pomace, grape pomace, and buckwheat husks. Interestingly, the researchers found that the growth of the fungus on these waste substrates led to an increase in protein levels, while also detecting no harmful toxins.
Culinary Delights from Food Waste
The final step in the researchers' journey was to put the oncom fungus to the ultimate test: a taste test. Serving the fermented oncom to a panel of 61 Danish participants who had never tried it before, the researchers were pleasantly surprised by the overwhelmingly positive response. The panelists scored the oncom highly for its texture and flavor, describing it as earthy, mushroomy, and nutty.Inspired by the success of the taste test, the researchers have collaborated with chefs to develop innovative oncom-inspired dishes, such as a fermented patty made from oat milk waste and a cheese-like delicacy crafted from old rice bread. These creations not only showcase the versatility of the oncom fungus but also demonstrate the potential to transform food waste into delectable culinary experiences.
Addressing the Global Challenge of Food Waste
Food waste is a pressing global issue, with a significant portion originating from industrial food processing and production before it even reaches the consumer's plate. By harnessing the power of the oncom fungus, researchers believe they have uncovered a sustainable solution that could offset a substantial portion of food system emissions.As the researchers note, "This study serves as another reminder that traditional foods may hold clues to addressing global challenges in sustainability." The story of oncom fungus is a testament to the untapped potential of ancient culinary practices to inspire innovative solutions to modern-day problems.