Rhodiosin

Rhodiosin 是从红景天 (Rhodiola crenulata) 的根中分离的，一种特异性非竞争性细胞色素 P450 2D6 抑制剂，IC50 为 0.420 μM，Ki 为 0.535 μM。Rhodiosin 有效的，剂量依赖性抑制乙酰胆碱酯酶 (AChE)，IC50 范围为 57.50 至 2.43 μg/mL。Rhodiosin 具有有效的 DPPH 自由基清除活性，IC50 为 27.77 μM。

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Background

Rhodiosin, isolated from the root of Rhodiola crenulata, is a specific non-competitive cytochrome P450 2D6 inhibitor with an IC50 of 0.420 μM and a Ki of 0.535 μM[1]. Rhodiosin exhibits potent, dose-dependent inhibitory effects on acetylcholinesterase (AChE) with IC50 ranged from 57.50 to 2.43 μg/mL[2]. Rhodiosin exhibits potent DPPH free radical scavenging activities, with an IC50 of 27.77 μM[3]. IC50: 0.420 μM (cytochrome P450 2D6)[1]；57.50-2.43 μg/mL (AChE)[2]；27.77 μM (DPPH free radical scavenging)[3]

[1]. Xu W, et al. Two potent cytochrome P450 2D6 inhibitors found in Rhodiola rosea. Pharmazie. 2013 Dec;68(12):974-6. [2]. Li FJ, et al. Molecular interaction studies of acetylcholinesterase with potential acetylcholinesterase inhibitors from the root of Rhodiola crenulata using molecular docking and isothermal titration calorimetry methods. Int J Biol Macromol. 2017 Nov;104(Pt A):527-532. [3]. Choe KI, et al. The antioxidant and anti-inflammatory effects of phenolic compounds isolated from the root of Rhodiola sachalinensis A. BOR. Molecules. 2012 Sep 27;17(10):11484-94.