Response surface optimization of polyphenol extraction from petals of Hibiscus-rosa sinensis | ||
| Journal of Food and Bioprocess Engineering | ||
| دوره 5، شماره 1، شهریور 2022، صفحه 43-51 اصل مقاله (734.9 K) | ||
| نوع مقاله: Original research | ||
| شناسه دیجیتال (DOI): 10.22059/jfabe.2022.341288.1113 | ||
| نویسندگان | ||
| Ganesamoorthy Janarny1؛ Kamburawala Kankanamge Don Somathilaka Ranaweera1؛ Katugampalage Don Prasanna Priyantha Gunathilake* 2 | ||
| 1Department of Food Science & Technology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka | ||
| 2Department of Food Science & Technology, Faculty of Livestock, Fisheries & Nutrition, Wayamba University of Sri Lanka, Makandura, Gonawila, Sri Lanka | ||
| چکیده | ||
| Edible flowers of Hibiscus rosa-sinensis have been identified as a source of antioxidant phenolics. Thus, effective extraction of phenolics is important to efficiently utilize these flowers. The present study aims to make use of a central composite design, to investigate the effects of extraction variables on the three response variables; total phenolic content, total anthocyanin content and antioxidant activity. Central composite design with four independent variables including solid: liquid ratio, ethanol concentration, temperature and time were used for the simultaneous optimization of response variables. The optimum process parameters generated were 24.0% ethanol, 1:40 solid: liquid ratio, 44°C temperature and 41 minutes of extraction. The experimental values obtained for the response variables under the generated optimum conditions confirmed the validity of the proposed second-order polynomial model. The results from the simultaneous optimization demonstrated the application of feasible process parameters for the extraction of phenolics from Hibiscus rosa-sinensis flowers and the effective utilization of these flowers in food as well as the pharmaceutical industry. | ||
| کلیدواژهها | ||
| Hibiscus rosa-sinensis؛ Optimization؛ Phenolics؛ Response surface method | ||
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