Table 1.

Four eluting gradients examined in optimization of the HPLC conditions of Fuzi.

No.	1	2	3	4
Eluting Gradient	15–26% A in 0–48 min, 26–35% A in 48–49 min, 35% A in 49–58 min, 35–15% A in 58–65 min	15–18% A in 0–14 min, 18–20% A in 14–30 min, 20% A in 30–38 min, 20–25% A in 38–40 min, 25% A in 40–48 min, 25–22% A in 48–55 min	15–18% A in 0–14 min, 18–20% A in 14–30 min, 20% A in 30–55 min, 20–25% A in 55–75 min	15–16% A in 0–14 min, 16–18% A in 14–65 min, 18–20% A in 65–90 min, 20% A in 90–95 min