Development of a HPLC Method for the Quantitative Determination of Capsaicin in Collagen Sponge

Figure 6

HPLC chromatogram of capsaicin in different mobile phase condition. (a) Methanol : water = 70 : 30, (b) methanol : water : H₃PO₄ = 70 : 30 : 0.1, (c) methanol : water : triethylamine = 70 : 30 : 0.05, and (d) acetonitrile : water = 70 : 30.

(a)

(b)

(c)

(d)