Journal of Agricultural Faculty of Gaziosmanpaşa University 1300-2910 2147-8848 Tokat Gaziosmanpaşa Üniversitesi 10.55507/gopzfd.1138189 Agricultural Engineering Ziraat Mühendisliği Optimization of Bioactive Components in Fresh Red Watermelon Juice of Ultrasound Assisted Extraction Conditions With Response Surface Methodology https://orcid.org/0000-0003-0415-0308 Levent Okan INONU UNIVERSITY https://orcid.org/0000-0001-8694-0658 Yıkmış Doç. Dr. .seydi TEKIRDAG NAMIK KEMAL UNIVERSITY https://orcid.org/0000-0003-1936-9337 Tokatlı Demirok Nazan TEKIRDAG NAMIK KEMAL UNIVERSITY 08 31 2022 39 2 113 119 06 30 2022 08 13 2022 Copyright © 1985, Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi 1985 Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi

In this study, optimization of bioactive components in fresh red watermelon juice which was applied ultrasound for different amplitude and time with response surface methodology (RSM) was performed. As a result of the optimization, lycopene, ascorbic acid, total phenolic content and DPPH were determined as 28.74 mg/100 mL, 4.34 mg/100 mL, 122.2 mg GAE/L and 54.26%, respectively. When compared to the fresh red watermelon juice samples applied ultrasound with control samples, it was found that lycopene, total phenolic content and DPPH values increase and ascorbic acid content decreased.

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