Two new polyphenolic compounds, melitric acids A (2) and B (5), were isolated from the aboveground part of Melissa officinalis (Labiatae) and their structures, consisting of three caffeic acid units, were determined from chemical rections and spectral data. Rosmarinic acid (1) was also isolated.
从香蜂草(唇形科)的地上部分分离出两种新的多酚化合物,melitric Acids A (2) 和 B (5),并通过化学反应和光谱数据确定了它们由三个咖啡酸单元组成的结构。还分离出迷迭香酸(1)。