cocoa extract indicated has activity on selectively killing breast cancer cells

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ID: 164461
2015
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Abstract
Effect of the cocoa crude extract on mortality of breast cancer cell lines i.e. MCF-7, T47D and normal cell (Vero), was observed. Crude cocoa extract prepared from a freshly dried cocoa bean that was containing 14% catechin and 0.6% caffeine. Catechin and caffeine content were modulated to 2-folds (28% catechin or 1.2% caffeine) and 3-folds (42% catechin or 1.8% caffeine) by adding pure compounds. Extracts were dissolved in dimethylsulfoxide (DMSO) at concentrations ranging from 200 to 1600 μg/ml. The positive control was doxorubicin (0.5-16 μg/ml in DMSO). Cell lines (MCF-7, T47D, and Vero) were incubated in test sample for 24h at 37°, prior to 3-(4,4-dimetylthiazole-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The absorbance of each well was measured at 550 nm, and lethal concentration (LC50) was calculated. The cocoa extract induced mortality of breast cancer cell lines but not in Vero cells. The effect on MCF-7 was greater than on T47D, given the LC50 was 1236 μg/ml (MCF-7) and 1893 μg/ml (T47D). Cytotoxic potential of cocoa extract was much lower than doxorubicin whose LC50 was 0,777 μg/ml (MCF-7) and 0,082 μg/ml (T47D). Increasing catechin content to 2-folds did not significantly affect LC50 value, but 3-folds catechin content reduced LC50 to 1021 μg/ml. Meanwhile increasing caffeine content to 2-folds significantly reduced LC50 to 750 μg/ml, however, 3-fold content resulted in slightly higher LC50 at 780 μg/ml. This indicates that cocoa extract have anti-cancer potential, and purification may improve this property.
Reference Key
sari2015journalcocoa Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Ariza Budi Tunjung Sari;Mahriani;Gusti Agung Perias Tiningrum;Teguh Wahyudi;Misnawi
Journal food and chemical toxicology
Year 2015
DOI
DOI not found
URL
http://www.jtrolis.ub.ac.id/index.php/jtrolis/article/view/290/pdf_18
Keywords
Cytotoxicity Breast cancer MCF-7 cocoa

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