Research Article

COMPARISON OF PHYSICOCHEMICAL AND FUNCTIONAL PROPERTIES OF CONVENTIONAL AND MICROWAVE-DRIED SOUR CHERRY POMACE OIL

Volume: 26 Number: 2 June 3, 2023
EN TR

COMPARISON OF PHYSICOCHEMICAL AND FUNCTIONAL PROPERTIES OF CONVENTIONAL AND MICROWAVE-DRIED SOUR CHERRY POMACE OIL

Abstract

The aim of this study is to compare the oil quality by determining the physicochemical and functional properties of conventional or microwave-assisted dried sour cherry pomace, which constitutes the majority of sour cherry nectar production wastes. Fatty acid composition, iodine number, peroxide, saponification, acidity, color value and total phenolic content and antioxidant capacity of the oil extracted from sour cherry pomace were determined. Accordingly, monounsaturated fatty acids of sour cherry pomace oil constitute 52.88% of the oil. Almost all of this ratio (98%) is composed of oleic acid. The polyunsaturated fatty acid content of sour cherry pomace oil constitutes 31.02% of the total fatty acid composition. The highest percentage in this ratio belongs to linoleic acid (20.85%). Alpha-linolenic acid (ALA), one of the essential fatty acids and omega-3 fatty acids, was found at a rate of 7.14%. Heart-friendly eicosapentenoic acid (EPA), a derivative of this fatty acid, was found to be 3.03%. In addition, peroxide value was 6.68 mEq peroxide kg-1, acidity value was 9.73 mg KOH g-1, saponification value was 175.19 mg KOH g-1 and iodine number was 44.17 g iodine 100 g-1. Microwave-assisted drying did not cause a significant difference in fatty acid composition, but iodine, peroxide, saponification and a*, b* and ∆E* values were lower, while the total phenolic substance and antioxidant capacity were higher as functional properties

Keywords

References

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Details

Primary Language

Turkish

Subjects

Food Engineering

Journal Section

Research Article

Publication Date

June 3, 2023

Submission Date

November 27, 2022

Acceptance Date

March 30, 2023

Published in Issue

Year 1970 Volume: 26 Number: 2

APA
Başkaya Sezer, D. (2023). KONVANSİYONEL VE MİKRODALGA İLE KURUTULMUŞ VİŞNE POSASI YAĞININ FİZİKOKİMYASAL VE FONKSİYONEL ÖZELLİKLERİNİN KARŞILAŞTIRILMASI. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, 26(2), 442-450. https://doi.org/10.17780/ksujes.1210767