| Autor: |
Ganesamoorthy Janarny, Kamburawala Kankanamge Don Somathilaka Ranaweera, Katugampalage Don Prasanna Priyantha Gunathilake |
| Jazyk: |
angličtina |
| Rok vydání: |
2022 |
| Předmět: |
|
| Zdroj: |
Journal of Food and Bioprocess Engineering, Vol 5, Iss 1, Pp 43-51 (2022) |
| Druh dokumentu: |
article |
| ISSN: |
2676-3494 |
| DOI: |
10.22059/JFABE.2022.341288.1113 |
| Popis: |
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. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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