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Study on the antioxidant activity and stability of peptides from the visceral of Todarodes pacificus
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Xiao-Fang LIU1, Xiang-Yang LI1, 2, Xiao-Yan FU1, 2, Fu-Hou LI2, Wei-Xia WANG2, Kai-Liang LENG1, 3, *
Journal of Food Safety & Quality | 2025, 16(10) : 302 - 308
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Journal of Food Safety & Quality | 2025, 16(10): 302-308
• Food Nutrition and Functional Foods •
Study on the antioxidant activity and stability of peptides from the visceral of Todarodes pacificus
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Xiao-Fang LIU1, Xiang-Yang LI1, 2, Xiao-Yan FU1, 2, Fu-Hou LI2, Wei-Xia WANG2, Kai-Liang LENG1, 3, *
Affiliations
  • 1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of Sustainable Development of Polar Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China
  • 2. School of Ocean Food and Biological Engineering, Jiangsu Ocean University, Jiangsu Key Laboratory of Marine Biotechnology, Lianyungang 222005, China
  • 3. Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao 266237, China
Published: 2025-05-25 doi: 10.19812/j.cnki.jfsq11-5956/ts.20241204004
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Objective To explore the antioxidant activity and stability of peptides from the visceral of Todarodes pacificus. Methods Free radical scavenging capacities of peptides from the visceral of Todarodes pacificus were determined, while the effects of temperature, pH and gastrointestinal digestion on the antioxidant activity of peptides from the visceral of Todarodes pacificus were also evaluated. Results The peptides from the visceral of Todarodes pacificus exhibited excellent free radical scavenging abilities, with half maximal inhibition concentration (IC50) values of 1.38, 15.26, 0.90 and 2.21 mg/mL for scavenging 1,1-diphenyl-2-picrylhydrazyl radical (DPPH), 2,2’-azino-bis(3- ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) cationic radicals, hydroxyl radicals, and superoxide anion radicals, respectively. The antioxidant activity of the peptides remained relatively stable within a temperature range of 25-100 °C. Under pH conditions of 7.0-8.0, their antioxidant activity showed no significant change (P>0.05), but it significantly decreased under strongly acidic or alkaline conditions (P<0.05). After in vitro simulated gastrointestinal digestion, the peptides still maintained strong antioxidant activity. Conclusion The peptides from the visceral of Todarodes pacificus has good antioxidant activity and stability, but it shall be noted that the processing and storage of its related products avoid the influence of high temperature and extreme acid-base conditions. The present research will open up new ways for the high-value utilization of the visceral of Todarodes pacificus resources and provide scientific guidance for the innovative development of natural antioxidant peptides.

visceral of Todarodes pacificus  /  peptides  /  antioxidant activity  /  stability
Xiao-Fang LIU, Xiang-Yang LI, Xiao-Yan FU, Fu-Hou LI, Wei-Xia WANG, Kai-Liang LENG. Study on the antioxidant activity and stability of peptides from the visceral of Todarodes pacificus[J]. Journal of Food Safety & Quality, 2025 , 16 (10) : 302 -308 . DOI: 10.19812/j.cnki.jfsq11-5956/ts.20241204004
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doi: 10.19812/j.cnki.jfsq11-5956/ts.20241204004
  • Receive Date：2024-12-04
  • Online Date：2025-07-15
  • Published：2025-05-25
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  • Received：2024-12-04
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Affiliations
    1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of Sustainable Development of Polar Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China
    2. School of Ocean Food and Biological Engineering, Jiangsu Ocean University, Jiangsu Key Laboratory of Marine Biotechnology, Lianyungang 222005, China
    3. Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao 266237, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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