The aim of this study is to evaluate the potential health effects of Tegaran Formula Zhen-Hua, a nutritional supplement used mainly by cancer patients. Its active ingredients and cytotoxicity was assessed with analytical methods and viability assays, respectively. The analytical methods consisted of dissolution, disintegration, HPLC, LC/MS, GC/MS and NMR. Cytotoxicity was assessed by MTT, SRB, CVE colorimetric viability assays in 0, 24, 48 and 72h time points. The results indicate that Tegaran Formula ZhenHua supplement did not present any cytotoxic effects due to issues related to the capsules' solubility, distribution and identification of the active ingredient.
The objective of this study is to improve and optimize the formulation of Genistein in capsules in order to result in a better pharmacokinetic profile comparing to existing commercial products. In order to do this, five different formulations of Genistein capsules were developed and examined by reviewing their disintegration and dissolution properties. Furthermore, flowability of the powder along with potent incompatibilities between Genistein and its excipients were monitored through their thermal properties. The final formulation of Genistein was quantified using HPLC analysis and then its stability was evaluated thoroughly in real time and accelerated conditions. Finally, with the target to have a product with actual results, in vitro and in vivo studies were conducted. The final product proved to have better results in disintegration and dissolution. Moreover, R.G.C.C.’s capsules exhibited enhanced action in human cell lines as well as impressive pharmacokinetic results in animal models. The in vitro results showed an advantage of the R.G.C.C. product compared to the commercial one, whereas its maximum concertation in vivo was determined 34% higher than the commercial one.
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