Ever wondered how changing the fat in your cooking affects the taste? Researchers explored this by using cold plasma to alter beef tallow, which is a type of animal fat. Here’s what they found.
Beef tallow can be oxidized—that's a chemical reaction with oxygen—using a tool called atmospheric pressure cold plasma (APCP). This method is easy to control and doesn’t cost a lot. The scientists observed that the longer the APCP was applied, the more oxidized the beef tallow became.
After treating the beef tallow, they mixed it with a chemical combo known as cysteine-xylose, heated it, and checked the results. Volatile compounds from lipid oxidation went up, while sulfur-containing compounds decreased. This change influenced the flavor—the longer the APCP treatment, the lower the off-odor in the final product.
It turns out, moderate use of APCP can really improve the scent of cooked foods! This technique shows potential for making heat-sensitive food items taste better by managing lipid oxidation.