Simultaneous Determination of Rutin, Luteolin, Quercetin, and Betulinic Acid in the Extract of Disporopsis pernyi (Hua) Diels by UPLC

Figure 2

Typical UPLC chromatogram of compounds in Disporopsis pernyi (Hua) Diels. (1) Rutin, (2) luteolin, (3) quercetin, and (4) betulinic acid; (a) 210 nm, (b) 254 nm, and (c) 280 nm.

(a)

(b)

(c)