alkanna/抗菌的

BACKGROUND Plants are rich source of chemical compounds that are used to accomplish biological activity. Indigenously crude extracts of plants are widely used as herbal medicine for the treatment of infections by people of different ethnic groups. The present investigation was carried out to

DNA topoisomerase I inhibitors, both synthetic and of natural origin, are receiving increasing consideration primarily as drugs against refractory tumors. Alkannin and shikonin, two enantiomeric dyes from Alkanna tinctoria and Lithospermum erythrorhizon, have been known over many centuries as

Overcoming the antibiotic resistance is nowadays a challenge. There is still no clear strategy to combat this problem. Therefore, the urgent need to find new sources of antibacterial agents exists. According to some literature, substances of plant origin are able to overcome bacterial resistance