Prolyl-4-hydroxylase Inhibitor 11, a novel proline 4-hydroxylase inhibitor, shows protective effects against oxidative stress and Cu(II) toxicity in Chlorella vulgaris.

Pteropodine acts as a positive modulator of muscarinic M(1) and 5-HT(2) receptors. Pteropodine shows antigenotoxic, antioxidant and lymphocyte induction effects, it also shows strong apoptotic effect on acute leukaemic lymphoblasts.

Cepharadione B (compound 22) 是从胡椒叶中分离得到的天然化合物。Cepharadione B 是一种 tyrosinase 抑制剂，其 < B >IC50 B >值为170 μM, 抑制 A-549、SK-OV-3、SK-MEL-2、XF-498 和 HCT-15 细胞的生长。