Purslane. Also known as grasshopper, longevity dish, horse tongue dish, etc. It is the whole grass of Portulaceae, and most of it is used as medicine through its dry aboveground parts. It was born in a humid and fertile place in the mountainous area, rich in Sichuan and spread all over the country. It tastes sour and cold, and has the effects of clearing away heat and toxic materials, cooling blood and stopping bleeding. Indications are heat dysentery, purulent blood, heat stranguria, leukorrhagia, swelling and pain, erysipelas. Pharmacological studies in recent years show that Portulaca oleracea L. has the effects of lowering blood lipid, lowering blood sugar and resisting atherosclerosis. Portulaca oleracea L., one of 78 medicinal and edible wild plants designated by the Ministry of Health of China, has been included in the menu of the 2008 Beijing Olympic Games. Portulaca oleracea contains many chemical components, mainly organic acids, flavonoids, terpenoids, coumarins and alkaloids. Portulaca oleracea has antibacterial, antiviral, antitumor, hypolipidemic, hypoglycemic and anti-aging effects. Conclusion Portulaca oleracea is mainly used for antibacterial, antiviral and anti-tumor in clinic, but it is seldom used in reducing blood fat, blood sugar and anti-aging.

1, antibacterial and antiviral effects

In vitro experiments showed that the ethanol extract of Portulaca oleracea had obvious inhibitory effects on Shigella flexneri and Shigella flexneri, and the water decoction had inhibitory effects on Shigella flexneri, Shigella sonnei and Shigella flexneri. Portulaca oleracea has a strong inhibitory effect on a variety of food contamination bacteria, especially Escherichia coli, Salmonella, Proteus, Shigella, Staphylococcus aureus, Bacillus subtilis, Bacillus cereus and so on. However, it has no inhibitory effect on gamboge and mycobacteria. Portulaca oleracea has a strong inhibitory effect on Mucor racemosa, Trichoderma and other fungi. Alternaria. Gibberella Aspergillus Niger and Saccharomyces cerevisiae. Using fresh Portulaca oleracea decoction or tablet to treat viral hepatitis has a good effect of reducing jaundice and enzyme. Portulaca oleracea has a strong inhibitory effect on bacteria and viruses and is known as "natural antibiotic".