07 Jan 2019 --- A natural antioxidant found in grain bran could preserve food longer and replace synthetic antioxidants currently used by the food industry, according to researchers at Penn State. The news on the back of a study examining the preservation of food using antioxidants. Consumers want clean labels – they want synthetic chemical-sounding ingredients removed because they don't recognize them and that some of the ingredients have purported toxicity, according to Andrew S. Elder, a doctoral candidate in food science.