Catalpa leaf

Catalpa leaf

(Ben Jing)

[source] it is the leaf of zibaipi, a Bignoniaceae plant.

[chemical composition] it contains p-coumaric acid and p-hydroxybenzoic acid.

[pharmacological action] cold extract and warm extract can inhibit Staphylococcus aureus, Escherichia coli and aerogenic bacteria. The effect of water extract was stronger than that of fresh leaves 6 months after collection, and the effect of acetone extract was stronger than that of other solvents. But it has no antifungal effect.

[functions and indications] 1. Tao Hongjing: "it can cure hand and foot fire ulcers. "

② "Four sound Materia Medica": "(Jian) wash children Zhuang heat, all sores scabies, skin itching. "

[prescription selection] for treating tinea rubra: divide catalpa leaf, mumianzi, Jieyang excrement and rat excrement into several parts, put them in a bottle, fix them together, heat them and apply them. (try to record prescription)