Preparation and Antioxidant Stability of Lotus Leaf Flavonoids Nanoparticles
The extraction process of flavonoids from lotus leaves was optimized,the loading conditions and the antioxidant activity of nanoparticles were studied by using modified rice protein to load flavonoids from lotus leaves.The results showed that:the preparation conditions of the nanoparticles were pH=7.0 and the protein:polysaccharide:flavonoid was 20:7.Lotus leaf extract and its nanoparticles have certain antioxidant capacity.Nanoparticles have good antioxidant stability,can effectively protect the activity of flavonoids in lotus leaf,and have a certain control effect on the protection of activity of lotus leaf extract.
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