Paniculate swallowwort root injection can make the guinea pig ileum in vitro of tension, and to combat the ileum of barium chloride caused strong contraction. But for acetylcholine and histamine ileum contraction due to no protection against the, with the method has been proved that the peony phenol of acetylcholine, histamine, barium chloride cause im a strong contraction of ileum in vitro of mouse, are all have significant protection against. 6. The antibacterial effect: flat hole method has been proved that staphylococcus aureus is sensitive to paniculate swallowwort root is moderate, e. coli, song’s entamoeba coli, pseudomonas aeruginosa, salmonella typhi not sensitive, paniculate swallowwort root also have inhibition to swine streptococcus. Test tube dilution method has been proved that paniculate swallowwort root whole plant decoction 1:4 for dysentery bacillus, salmonella typhi’s blessing; 1:2 to pseudomonas aeruginosa, escherichia coli, golden staphylococcus aureus has inhibitory effect. Peony phenol in vitro, 1:15 000 on escherichia coli, bacillus subtilis, 1:2000 has inhibitory effect on staphylococcus aureus.
Paniculate swallowwort root role of smooth muscle