Paclitaxel, which isolated from Taxus brevifolia, is recently started to be used against prostate cancer treatment and it is a very effective compound against cancer. In this study, we aimed to test the synergistic effect of two plant active compounds (sulphoraphane (SFN) and silymarin (SILY)) and
Our research to seek active compounds against human colorectal cancer from the root of Alkanna tinctoria (L.) Tausch led to the isolation of two naphthoquinones, alkannin (1) and angelylalkannin (2). The antiproliferative effects of the two compounds on human colon cancer cells HCT-116 and SW-480
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
In a continuing program to discover new anticancer agents from plants, especially naphthoquinones from the Alkanna genus, Alkanna cappadocica was investigated. Bioassay-guided fractionation of a dichloromethane/methanol (1:1) extract of the roots led to the isolation of four new and four known
Endemic Alkanna cappadocica was used to isolate novel antitumor molecules from Turkish landscapes in our previous studies. In this study, deoxyalkannin (ALCAP1), β,β-dimethylacrylalkannin (ALCAP2), acetylalkannin (ALCAP3), and alkannin (ALCAP4) as well as the novel isolated compounds
Botanically derived natural products have recently become an attractive source of new chemotherapeutic agents. To explore active anticolorectal cancer compounds, we carried out phytochemical studies on Alkanna tinctoria and isolated eight quinone compounds. Using different spectral methods,
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