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All Journal Journal of Biodiversity and Biotechnology
Iswoyo Iswoyo
Department of Processing Agricultural Product, Faculty of Agricultural Technology, Semarang University
Agriculture, Biological Sciences & Forestry

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Effect of gamma irradiation on total phenolic contents and antioxidant activities of methanolic extract of java plum seeds Rohadi Rohadi; Iswoyo Iswoyo; Dewi Larasati; Sugili Putra
Journal of Biodiversity and Biotechnology Vol 3, No 1 (2023)
Publisher : Pusat Penelitian dan Pengembangan Bioteknologi dan Biodiversitas (P3BB) LPPM UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jbb.v3i1.71721

Abstract

The synthetic antioxidant butylated hydroxyanisole (BHA) has been widely added to lipids and food products as a preservative due to inhibiting lipid oxidation. However, concerns have arisen about the potential health impacts of this synthetic antioxidant on consumers. Therefore, there is a need for an alternative substitute for BHA that is safe for human health. The methanolic extract of Java Plum seeds (MEJS) contains a diverse group of phenolic compounds and has the potential to serve as a natural antioxidant. The antioxidant must remain stable during food processing, such as irradiation. This research aimed to determine the effect of γ-irradiation on the total phenolic content and antioxidant activity of MEJS. When γ-irradiation was applied to MEJS at doses up to 12.5 kGy, there was a slight decrease in total phenolic and tannin content but a significant increase in total flavonoid content. This increase in total flavonoids led to a rise in both free radical scavenging and reducing power activities
Co-Authors Dewi Larasati Rohadi Rohadi Sugili Putra