[Study on the total flavonoid content and antioxidant activity of Morus nigra Linn. from different origins in Xinjiang].

The ultrasonic-assisted method of extracting total flavonoids from Morus nigra Linn. is simple, and the model constructed has a high degree of fit, which can better compare the total flavonoids content of Morus nigra Linn. from different origins in Xinjiang.