(1) Coptidis Rhizoma and Cortex Phellodendri are mainly composed of berberine (berberine), which has broad-spectrum antibacterial effect and has inhibitory effect on a variety of Gram-negative bacteria and positive bacteria, such as Shigella, pneumococcus, Staphylococcus aureus and Streptococcus, which are commonly used in enteritis, pneumonia, hematuria and sores.
(2) Scutellaria baicalensis Georgi tastes bitter and cold, and can clear away damp-heat, purge excess fire, stop bleeding and prevent miscarriage. Scutellaria baicalensis Georgi can inhibit gram-negative bacteria such as Escherichia coli, Proteus, Pseudomonas aeruginosa, Brucella bovis, sheep and swine, and gram-positive bacteria such as Staphylococcus aureus and Pneumococcus, especially Staphylococcus and Pseudomonas aeruginosa. It is often used to treat enteritis, brucellosis, pneumonia, influenza and inflammation. It can also be used to prevent pullorum disease in chicks.
(3) Honeysuckle is sweet in taste and cold in nature, and has the function of clearing away heat and toxic materials. Indications: Fever due to epidemic febrile disease, carbuncle, swelling and sore, dysentery due to toxic heat, sore throat, etc. Its antibacterial effect contains isochlorogenic acid, honeysuckle glycoside and other antibacterial components, and it has the strongest antibacterial effect on Staphylococcus aureus, followed by Pseudomonas aeruginosa and Escherichia coli. Can be used for treating influenza, enteritis, febrile infectious diseases and traumatic infection.
(4) Radix Isatidis and Folium Isatidis taste bitter and cold, and have the functions of clearing away heat and toxic materials and cooling blood. It can inhibit Bacillus subtilis, Staphylococcus aureus, Streptococcus, Escherichia coli, Enterobacteriaceae and hemolytic Streptococcus. It also has a certain effect on influenza virus. Commonly used for bacterial infection, pneumonia, enteritis, bloody dysentery, swine pneumonia, etc.
(5) Forsythia suspensa is the dried fruit of Forsythia suspensa of Oleaceae. It tastes bitter and slightly cold, and has the functions of clearing away heat and toxic materials, dispersing stagnation and reducing swelling. It has a strong inhibitory effect on Staphylococcus aureus, pneumococcus, Escherichia coli and hemolytic streptococcus. It has a certain therapeutic effect on influenza, pneumonia, enteritis and other diseases.
(6) Andrographis paniculata can inhibit and kill pneumococcus, Staphylococcus aureus, Escherichia coli, Proteus, Pseudomonas aeruginosa, leptospira, etc. It can also enhance the immune function of animals and has antipyretic and anti-inflammatory effects. This product is extracted from whole grass and made into injection, which has been widely used in clinic.
(7) Houttuynia cordata contains decanoyl acetaldehyde, which has broad-spectrum antibacterial effect. It has a strong inhibitory effect on gram-positive bacteria such as staphylococcus aureus, pneumococcus, hemolytic streptococcus and gram-negative bacteria such as influenza. Used for pneumonia, bronchitis, urinary tract infection, piglet dysentery and traumatic infection.
In addition, garlic, dandelion, viola yedoensis, purslane, Senecio scandens, Chrysanthemum indicum, Eucalyptus macrophylla and other Chinese herbal medicines also have certain antibacterial effects, and are widely used in the prevention and treatment of livestock and poultry diseases.