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Figure 2 | BMC Complementary and Alternative Medicine

Figure 2

From: Echinacea-induced cytosolic Ca2+ elevation in HEK293

Figure 2

Dose-response curve of the transient increase in cytosolic Ca 2+ concentration in HEK293 cells evoked by E. purpurea root ethanol extracts. Results are expressed as percentages of maximum responses. Each data point represents mean ± SEM, n = 3 replicates. EC50 = 98 ± 7 μg/ml. The response saturates at 200 μg/ml of extract. The Hill equation was used to fit the response curve.

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