Kizuta saponin K11 is a saponin derived from Kalopanax pictum var. maximowiczii leaves, which is a widely used Korean medicinal plant.

Des-Leu10-angiotensin I is a nonapeptide that inhibits rabbit lung angiotensin-converting enzyme peptidyl-dipeptide hydrolase with a Ki value of 31 μM, which is generated from angiotensin I by the action of carboxypeptidase-like activities residing in the human platelet and mast cell.

在患有晚期动脉粥样硬化病变的人类主动脉部分中发现了十一烷二酸，该病变与细胞间基质大分子特别是弹性蛋白有关。