| Bioactivity | Eckol is a potent hMAO-A (Mixed) and hMAO-B (non-competitive) inhibitor with IC50s of 7.20 and 83.44 μM, respectively. Eckol shows stimulatory effects in maize and can be used as a plant biostimulant. Eckol also shows antiallergic and antiviral effects[1][2][3][4]. |
| Invitro | Eckol (25-100 μg/mL; 2 h) 预处理以剂量依赖的方式显著降低 IgE/BSA 刺激的 BMCMC 中 β-hexosaminidase 的释放[3]。Eckol (25-100 μg/mL; 1 h) 抑制 Th2 型细胞因子的产生，如 IL-4、IL-5、 IL-13 以及促炎细胞因子，如 IL-6[3]。Eckol (25-100 μg/mL) 减弱 IgE/BSA 刺激的 BMCMC 细胞中细胞因子 mRNA 水平，如IL-1β、IL-4、IL-5、IL-6、IL-13、IFN-γ 和 TNF-α[3]。Eckol (25-100 μg/mL; 1 h) 在 IgE/BSA 刺激的 BMCMC 中抑制 NF-κB 的激活[3]。Eckol 抑制 influenza A/Bervig-Mission/1/18 (H1N1) 病毒，IC50 为 89.5 µM[4]。 Western Blot Analysis[3] Cell Line: |
| In Vivo | 叶面喷施 Eckol (1 μM) 显著提高了茎长和根长、茎干鲜重、叶面积和叶数[2]。Eckol (50 or 100 μg/mouse; intradermal; once) 降低被动皮肤过敏反应 (PCA) 诱导小鼠的过敏性炎症反应[3]。 Animal Model: |
| Name | Eckol |
| CAS | 88798-74-7 |
| Formula | C18H12O9 |
| Molar Mass | 372.28 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
| Reference | [1]. Jung HA, et al. Evaluation of the inhibitory effects of eckol and dieckol isolated from edible brown alga Eisenia bicyclis on human monoamine oxidases A and B. Arch Pharm Res. 2017 Apr;40(4):480-491. [2]. Rengasamy KR, et al. Enhancing growth, phytochemical constituents and aphid resistance capacity in cabbage with foliar application of eckol--a biologically active phenolic molecule from brown seaweed. N Biotechnol. 2016 Mar 25;33(2):273-9. [3]. Han EJ, et al. Eckol from Ecklonia cava Suppresses Immunoglobulin E-mediated Mast Cell Activation and Passive Cutaneous Anaphylaxis in Mice. Nutrients. 2020 May 9;12(5):1361. [4]. Besednova NN, et al. Antiviral Effects of Polyphenols from Marine Algae. Biomedicines. 2021 Feb 17;9(2):200. |