Quantitative Analysis of Eight Triterpenoids and Two Sesquiterpenoids in Rhizoma Alismatis by Using UPLC-ESI/APCI-MS/MS and Its Application to Optimisation of Best Harvest Time and Crude Processing Temperature

Figure 2

Different wilt stages of RA. (a) Stage I. (b) Stage II. (c) Stage III. (d) Stage IV. (e) Stage V. (f) Stage VI.

(a)

(b)

(c)

(d)

(e)

(f)