It turns out that having insects in the kitchen isn’t always a bad thing. In recent years, eating them has become trendy. Scientists are continually discovering more about the unique flavors and nutritional benefits of insects.
A new study by researchers at San Diego State University focused on the distinctive tastes of ants and their potential to replace traditional seasonings. The study concluded that edible ants’ potential remains largely untapped in countries that have long been reluctant to eat them.
Meanwhile, each species of ant has its own unique flavors and aromas. For instance, if a dish requires a tangy vinegar kick, black ants are the go-to choice. They are rich in formic acid, which ants secrete from their glands. Chefs could use that acid as a substitute for vinegar and lemon juice. Using black ants offers a more sustainable source of flavor and aroma.
Similarly, there’s the case of the chicatana ants. These little creatures impart a meaty, fatty aroma reminiscent of grilled burgers or sausages. Aldehydes and pyrazines found in their tiny segmented bodies are the same compounds that form when cooking meat and bread. Thus, chicatana ants could serve as a fantastic alternative to meat, which is quite an expensive commodity for many people around the world. Additionally, the meat industry isn’t environmentally friendly, producing high emissions and using lots of water.
What the Researchers Discovered
By gathering extensive data on edible ants, the researchers aim to map their flavor, texture, and nutritional profiles. This information will specifically address flavor, texture, and nutritional content.
“Ants have very diverse and interesting flavor characteristics,” said Chanci Liu, an assistant professor of food science and the study’s lead researcher. He says this “expands the culinary possibilities of using these insects to create delicious food.”
The team distinguished the flavors and aromas of different ant species. They identified volatile compounds present in the samples using gas chromatography and mass spectrometry. The detected aromas were then compared using an olfactometer, a device that allows for the comparison of scent characteristics.
Ultimately, the team discovered that these chemical substances were ant pheromones, as reported by IFLScience. Ants use their chemical signals in various ways: from marking trails and recognizing colony members to recruiting others and signaling alarms.
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While the rich and diverse flavor profiles of edible ants may hold great potential for future generations, they may not be suitable for everyone. People with shellfish allergies may react to tropomyosin, a muscle protein found in many invertebrates.
Still, researchers have taken a significant step toward creating more diverse, flavorful, and nutritious seasonings. “I don’t want people to feel like they’re making a sacrifice by eating these insects. I want to show that insects can actually be very tasty and nutritious, as well as beneficial for the environment,” said Chanci Liu.
The research team’s findings were presented at the American Chemical Society’s ACS Spring 2024 meeting.
