The main pharmacological effects of Polygonum multiflorum are: 1. Anti-aging effect. Experiments have shown that Polygonum multiflorum and its preparations can prolong the growth cycle of diploid cells, promote vigorous cell development and extend life span. Shouwu decoction can significantly reduce peroxidized lipids in the plasma and liver of aged rats, improve the hematopoietic function of bone marrow, affect blood rheology indicators, and also has a good scavenging effect on superoxide anion free radicals, showing that Shouwu has antioxidant properties. , anti-aging function. Polygonum multiflorum extract can promote thymocyte proliferation, delay age-related degenerative atrophy, have obvious effects on promoting cellular immunity and regulating humoral immunity, enhance the body's resistance, and can strengthen the body and prolong life. 2. Lowering blood lipids and anti-atherosclerosis: Polygonum multiflorum decoction can significantly reduce the levels of plasma cholesterol, triglycerides and β-lipoprotein, indicating that Polygonum multiflorum can reduce blood lipids and delay the formation and development of atherosclerosis. 3. The role of protecting the liver. The tetrahydroxyethylene-β-D-glucoside in Shouwu is an active ingredient in protecting the liver. It can prevent fatty liver, liver function damage and increase in liver peroxidized lipid content, and reduce serum glutanin. transaminase and aspartate aminotransferase. In addition, Polygonum multiflorum increases liver glycogen, which is also beneficial to liver protection. 4. Antibacterial effect: Shouwu can inhibit the growth of human tuberculosis and Shigella flexneri in vitro, and its anthraquinone derivatives are effective against bacteria such as Staphylococcus aureus, Streptococcus, diphtheriae, and Bacillus anthracis, as well as influenza viruses, fungi, etc. Pathogens have varying degrees of inhibitory effects. 5. Others Polygonum multiflorum has a good therapeutic effect on gray hair, hair loss, muscle atrophy, urticaria, neurasthenia, schizophrenia, sores and scabies.

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