In this study, the effect of chitosan coating supplemented with olive leaf extract on the oxidative quality of rainbow trout fillets at 4°C for 15 days of storage were determined. For this purpose, samples were divided into five groups entitled as; fillets immersed in chitosan coating (Cc), fillets immersed in chitosan coating with 0.5%, 1% and 2% olive leave extract named as O0.5, O1 and O2 and fillets without coating (C). The highest pH values were found in the C and Cc groups during storage, while the lowest pH values were found in the O2 group. Peroxide value, which is the principal oxidation products, increased in all groups until at the end of the storage and the highest values were found in C and Cc groups, respectively (9.00 meq/kg and 8.00 meq/kg). The lowest peroxide value was determined in O2 group as 5.50 meq/kg. At the beginning of storage, TBARS value of rainbow trout fillets was 0.16 mg MDA/kg showed increase in all groups at the end of the storage period. The C and Cc groups had the highest TBARS value which increased throughout the storage and reached 2.07 and 1.92 mg MDA/kg at the end of storage, respectively. Rainbow trout fillets immersed in chitosan solution enhanced with 2% OLE had TBARS values of 1.31 mg MDA/kg, which was found to be considerably low (P<0.05). As a result, it was determined that the supplementation of olive leaf extract raised the effectiveness of chitosan and reduced lipid oxidation in rainbow trout fillets.
This study was supported by the Scientific Research Projects Unit of Nigde Omer Halisdemir University with TGT 2021/18-LÜTEP project number. In addition, this study is produced from the Master thesis of Maham ZAHID.
Primary Language | English |
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Subjects | Fisheries Technologies |
Journal Section | Article |
Authors | |
Project Number | This study was supported by the Scientific Research Projects Unit of Nigde Omer Halisdemir University with TGT 2021/18-LÜTEP project number. In addition, this study is produced from the Master thesis of Maham ZAHID. |
Early Pub Date | December 27, 2024 |
Publication Date | |
Submission Date | October 16, 2024 |
Acceptance Date | December 23, 2024 |
Published in Issue | Year 2024 Volume: 8 Issue: 2 |
Eurasian Journal of Food Science and Technology (EJFST) e-ISSN: 2667-4890 Web: https://dergipark.org.tr/en/pub/ejfst e-mail: foodsciencejournal@gmail.com