Variation in radical antioxidant capacity and the total amount of carotenoids in razor clams, Ensis marginatus (Pennant, 1777), from the Çanakkale Strait (Abidealtı), Turkey

Bayram Kizilkaya, Sefa Acarli, Pervin Vural Ertuğrul, Selçuk Berber, Pınar Çelik

Paper category: Original research paper
Corresponding author: Sefa Acarli (
DOI: 10.2478/oandhs-2021-0002
Received: 21/06/2021
Accepted: 01/09/2020
Full text: here

Citation (APA style): Kizilkaya, B., Acarli, S., Ertuğrul, P., Berber, S. & Çelik, P. (2021). Variation in radical antioxidant capacity and the total amount of carotenoids in razor clams, Ensis marginatus (Pennant, 1777), from the Çanakkale Strait (Abidealtı), Turkey. Oceanological and Hydrobiological Studies, 50(1), 16-23.


Metabolic activities such as breathing and digestion, resulting from natural functions of the body through oxidation, lead to the formation of free radicals that cause cancer, premature cardiac aging and some chronic diseases. Antioxidants are substances that remove free radicals and prevent cell damage. Seafood significantly contributes to the elimination of free radicals, especially owing to its high quality nutrient content. In this context, the objective of the study was to determine the radical antioxidant capacity and the total amount of carotenes in razor clams. The IC50 (mg g−1) value of the DPPH radical sweeping effect varied over the months (p < 0.05), showing the highest value in June, gradually decreasing from September and reaching the lowest level in February. The total amount of carotenoids also varied, with the highest value in September (p < 0.05). The total amount of chlorophyll ranged from 6.15 µg g−1 in August to 66.71 µg g−1 in December.


This work was supported by the Scientific Research Projects Coordination Unit of Çanakkale 18 Mart University (Project No. FHD-2018-1442, Project Leader: Sefa Acarlı).


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