Antioxidant activity and phenolic compounds of Holotrichia parallela Motschulsky extracts

► Holotrichia parallela is an edible insect and is used as a drug in China. ► Its water and ethanolic extracts revealed potent antioxidant activity. ► Phenolics and proteins play a role in antioxidant activity. ► Insects are potential sources of natural antioxidants.