Bioassay-Guided Isolation of Neuroprotective Compounds from Uncaria rhynchophylla against Beta-Amyloid-Induced Neurotoxicity

Figure 3

Effect of different extracts (a), fractions (b), and isolated compounds (c) from Uncaria rhynchophylla on cell viability in A𝛽₂₅₋₃₅-treated PC12 cells. Values given are the mean ± SEM (𝑛=6). ^#𝑃<0.01 compared with the control group; *𝑃<0.05 and **𝑃<0.01 compared with the A𝛽₂₅₋₃₅-treated control.

(a)

(b)

(c)