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. 2016 May 31;11:27. doi: 10.1186/s13020-016-0097-6

Fig. 2.

Fig. 2

Cell response curve of various Gastrodia elata and Uncaria rhynchophylla extracts. The extracts of GUW and GE did not demonstrate toxicity to PC12 cells even at high concentration of 4000 µg/mL, whereas the UR extract showed toxicity to PC12 cells at concentrations higher than 1000 µg/mL vs control by one way ANOVA, post hoc Dunnett’s test (n = 4)