There are many ingredients in the wood, for example, Indigo red, β-sitosterol, Y-sitosterol, arginine, glutamic acid, tyrosine, proline, valine and adenosine.
1. Wood decocta has bacteriostatic action to gram positive and negative bacteria, wood and leaf acetone extraction have bacteriostatic action too. 1% ATIS ether extraction has bacteriostatic action to Staphylococcus aureus.
2. Injection 50% ATS injection chick 0.5m to embryo allantoic cavityl will have remarkable bacteriostatic action to flu virus PR’ and Jingke 68－1. 25%-100% ATIS wood decocta has inhibition to hepatitis B virus deoxyribonucleic acid (DNA).
3. Banlangen amylase 25, 50, 100mn/kg lumbar injection will have good inhibition to 2,4-dinitrochlorobenzol, 50mg/kg lumber injection will increase the percent of outside Wood lymphocyte transition form and lymphoblast, so it has inducement function.