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We investigated the root of Podophyllum hexandrum as a potential source of lead bioactive metabolites with anticancer activity. The present study led to the isolation of six known aryltetralin-type lignans designated as 4'-demethyl-deoxypodophyllotoxin (1), podophyllotoxin (2),
Context Calligonum polygonoides L. subsp. comosum L' Hér. (Polygonaceae), locally known as "arta", is a slow-growing small leafless desert shrub. Objective Isolation, structure elucidation and evaluation of cytotoxic activity of flavonoids from C. polygonoides aerial parts. Materials and methods
Many natural products are rich in antioxidants which play an important role in preventing or postponing a variety of diseases, such as cardiovascular and inflammatory disease, diabetes as well as breast cancer. In this paper, an automatic on-line 2,2-diphenyl-1-picrylhydrazyl-high performance liquid