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International Journal of Aquatic Biology، جلد ۸، شماره ۳، صفحات ۱۸۴-۱۹۳
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عنوان انگلیسی Antioxidant and antibactrial properties of protein hydrolysate from Persian Gulf Crab (Grapsus albacarinous) as affected by progress of hydrolysis
چکیده انگلیسی مقاله Antibacterial and antioxidant activity of the rocky shore crab , Grapsus albolineathus , protein hydrolysate (CPH), with different degree of hydrolysis (DH) prepared using alcalase was investigated. The results showed that by increasing DH with reaction time up to 90 min, the DPPH radical scavenging activity of the hydrolysates raise, followed by a decrease in the next stages from 90 to 180 min.Interestingly, ABTS radical scavenging of the hydrolysates increase up to 120 min, and CPH 120 show the highest activity with no significant difference with CPH 90 and CPH 180 . The degree of hydrolysis applied a significant influence on the antibacterial activity of crab hydrolysates against gram-positive bacteria, with a significant increase up to 90 min. The maximum zone of inhibitions was recorded against Listeria monocytogene for CPH 90 :14.55 mm. The results suggest that the alcalase hydrolysis of rocky shore crab can produce bioactive peptides with potent antioxidant and antibacterial activities as affected by the degree of hydrolysis up to a certain level.
کلیدواژه‌های انگلیسی مقاله Crab protein, Hydrolysis, Antioxidant, Antibacterial.
نویسندگان مقاله | Mina Emadi Shaibani
Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran.


| Behrooz Heidari
Department of Marine Biology, Faculty of Marine Science, Tarbiat Modares University, Noor, Iran.


| Saber Khodabandeh
Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran.


| Shirin Shahangian
Department of Biotechnology, Iranian Research Organization for Science and Technology (IROST), Tehran, Iran.


| Saeed Mirdamadi
Department of Food Science and Technology, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran.


| Mahta Mirzaei


نشانی اینترنتی http://ij-aquaticbiology.com/index.php/ijab/article/view/639
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