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Turkish Journal of Fisheries and Aquatic Sciences 2023, Vol 23, Num, 11     (Pages: TRJFAS23374)

Influence of Epigallocatechin Gallate on Quality of Cooked Harpiosquillid Mantis Shrimp (Harpiosquilla raphidea) Subjected to Multiple Freeze-Thaw Cycles

Wattana Temdee 1 ,Avtar Singh 1 ,Hui Hong 2 ,Bin Zhang 3 ,Ahmet Faruk Yesilsu 4 ,Soottawat Benjakul 1

1 Prince of Songkla University, Faculty of Agro-Industry, International Center of Excellence in Seafood Science and Innovation (ICE-SSI), Hat Yai, Songkhla 90110, Thailand
2 China Agricultural University, College of Food Science and Nutritional Engineering, Beijing Laboratory for Food Quality and Safety, Beijing, China
3 Zhejiang Ocean University, College of Food Science and Pharmacy, Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, Zhoushan 316022, China
4 Central Fisheries Research Institute, Trabzon, Türkiye
DOI : 10.4194/TRJFAS23374 Viewed : 439 - Downloaded : 699 Effects of epigallocatechin gallate (EGCG) at 200 or 400 ppm on quality changes of cooked Harpiosquillid mantis shrimp (Harpiosquilla raphidea) (CHMS) meat subjected to varying freeze-thaw cycles (F-T-C; 0, 1, 3, and 5) were studied. With augmenting F-T-C, the CHMS meat underwent deterioration to higher extent as indicated by upsurges in exudate loss, tougher texture along with increased microbial counts. The addition of EGCG could retard those changes in a dose-dependent manner. Furthermore, EGCG prevented microbial growth as ascertained by lower counts and total volatile basic nitrogen (TVB) content. Lipid oxidation was also impeded in the presence of EGCG, especially at a high concentration as evidenced by lowered malondialdehyde (MDA), while maintaining polyunsaturated fatty acids, particularly EPA and DHA when F-T-C raised. Total disulfide bond content and surface hydrophobicity of CHMS added with EGCG were lower than those of the control. Those alterations were more retarded as EGCG concentration increased. Therefore EGCG at 400 ppm effectively prevented quality loss of CHMS meat during repeated F-T process. Keywords : Cooked harpiosquillid mantis shrimp Quality Freezing Thawing EGCG Oxidation