Research progress on antioxidant properties of onion pectin composite extract
Recently,the problem of soy sauce additives has aroused people's high attention to food quality and safety,thus causing the desire for food preservation and preservative"zero"addition or natural ingredient index.At present,pectin packaging containing plant extracts is a hot research topic of biopolymer food packaging derivatives,and its main feature is to produce active packaging with selective antibacterial and antioxidant food preservation effects.Onion extract is rich in antioxidant phenolic substances,pectin composite extract can be used in food packaging.This paper reviews the research progress on onion pectin composite extract.