Antioxidant Activity And Optimisation Of Ultra sonic-Assisted Extraction By Response Surface Methodology Of Aronia Melanocarpa Anthocyanins

Imla Syafiqah and Hafizuddin Wan Yussof ()
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Imla Syafiqah: Faculty of Chemical Engineering & Natural Resources, Universiti Malaysia Pahang, 26300 Gambang, Pahang, Malaysia
Hafizuddin Wan Yussof: Faculty of Chemical Engineering & Natural Resources, Universiti Malaysia Pahang, 26300 Gambang, Pahang, Malaysia

Water Conservation & Management (WCM), 2018, vol. 2, issue 1, 10-12

Abstract: The Based on one-factor-at-a-time experiments, response surface methodology was employed to optimize ultrasound-assisted extraction of Aronia melanocarpa berries (chokeberry; AMP). The optimum extraction conditions were determined as follows: ethanol concentration 62%, ultrasonic power 198 W, liquid-solid ratio 19 (mL/g) and ultrasonic time 44 min. Under this condition, AMP anthocyanin yield was 4.31893 mg/g with a 1.67 % error compared with the actual value, which showed that the model and the optimization process was feasible. Additionally, superoxide anion radical (O2-·) radical scavenging activities of AMP extracts and VC was comparatively analyzed and the result revealed that the antioxidant activity of AMP extracts was superior to VC.

Keywords: Half Factorial Design, Palm Oil Fuel Ash; Mercury, Response Surface Methodology. (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnwcm:v:2:y:2018:i:1:p:10-12

DOI: 10.26480/wcm.01.2018.10.12

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