Collagen of the skin of ocellate puffer fish (Takifugu rubripes) |
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| Affiliation: | 1. Department of Food Science and Technology, National Fisheries University, Shimonoseki, Yamaguchi 7596595, Japan;2. Faculty of Home Economics, Tokyo Kasei Gakuin University, Machida, Tokyo 1940292, Japan;1. State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China;2. Synergetic Innovation Center of Food Safety and Nutrition, Wuxi, Jiangsu Province 214122, China;3. Department of Food Science, Cornell University, Ithaca, NY 14853-7201, USA;1. College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China;2. Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China;1. Department of Food Technology, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla, 90112, Thailand;2. Laboratory of Marine Chemical Resource Development, Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido 041-8611, Japan;1. Key Laboratory of Leather Chemistry and Engineering (Sichuan University), Ministry of Education, Chengdu, 610065, China;2. Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, 48109, United States;3. State Key Laboratory of Hydraulics and Mountain River Engineering & College of Water Resource and Hydropower, Sichuan University, Chengdu, 610065, China |
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| Abstract: | Collagens (acid-solubilized and pepsin-solubilized collagens) were prepared from ocellate puffer fish skin and partially characterized. With respect to the pepsin-solubilized collagen, it was a heterotrimer with a chain composition of (α1)2α2. The patterns of peptide fragments were different from skin collagens of other species. The denaturation temperature was 28 °C, about 9 °C lower than that of porcine skin collagen. On the other hand, the yields of acid-solubilized and pepsin-solubilized collagens were very high, 10.7% and 44.7%, respectively, on a dry weight basis. These results suggest that ocellate puffer fish skin has potential as an alternative source of collagen for use in various fields. |
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