Preprint Article Version 1 This version is not peer-reviewed

Development of Phaleria macrocarpa (Scheff.) Boerl Fruits Using Response Surface Methodology On Phenolic, Flavonoid and Antioxidants Properties

Version 1 : Received: 3 January 2018 / Approved: 3 January 2018 / Online: 3 January 2018 (10:15:16 CET)

A peer-reviewed article of this Preprint also exists.

Mohamed Mahzir, K.A.; Abd Gani, S.S.; Hasanah Zaidan, U.; Halmi, M.I.E. Development of Phaleria macrocarpa (Scheff.) Boerl Fruits Using Response Surface Methodology Focused on Phenolics, Flavonoids and Antioxidant Properties. Molecules 2018, 23, 724. Mohamed Mahzir, K.A.; Abd Gani, S.S.; Hasanah Zaidan, U.; Halmi, M.I.E. Development of Phaleria macrocarpa (Scheff.) Boerl Fruits Using Response Surface Methodology Focused on Phenolics, Flavonoids and Antioxidant Properties. Molecules 2018, 23, 724.

Journal reference: Molecules 2018, 23, 724
DOI: 10.3390/molecules23040724

Abstract

In this study, the optimal condition for the extraction of antioxidants from the fruit Buah Mahkota Dewa (Phaleria macrocarpa) was determined by using Response Surface Methodology (RSM). The optimization was applied using central composite design (CCD) to investigate the three independent variables, namely extraction temperature (oC), extraction time (minutes) and extraction solvent to-feed ratio (%v/v) on the responses of free radical scavenging activity (DPPH), ferric ion reducing power assay (FRAP), total phenolic content (TPC) and total flavonoid content (TFC).The optimal conditions for the antioxidants extraction were found to be extraction temperature (64oC), extraction time (66 minutes) and solvent to-feed ratio (75 %v/v) with the highest percentage yield of DPPH, FRAP, TPC and TFC were 86.85%, 7.47%, 292.86 mg/g and 3.22 mg/g respectively. Moreover, the data were subjected to response surface methodology (RSM) and the results showed that the polynomial equations for all models were significant, did not show lack of fit, and presented adjusted determination coefficients (R2) above 99%, proving the yield of phenolic, flavonoid and antioxidants activities obtained experimentally were close to the predicted values and the suitability of the model employed in RSM to optimize the extraction conditions. Hence, in this study, the fruit from P.macrocarpa could be considered to have the strong antioxidant ability and can be used in various cosmeceutical or medicinal applications.

Subject Areas

Phaleria macrocarpa; extraction; free radical scavenging activity (DPPH); ferric ion reducing power assay (FRAP); total phenolic content (TPC); total flavonoid content (TFC); response surface methodology (RSM)

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