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Zhang H, Liu S, Li S, Chen X, Xu M, Su Y, Qiao K, Chen X, Chen B, Zhong H, Lin H, Liu Z. The Effects of Four Different Thawing Methods on Quality Indicators of Amphioctopus neglectus. Foods 2024; 13:1234. [PMID: 38672906 PMCID: PMC11049476 DOI: 10.3390/foods13081234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Amphioctopus neglectus is a species of octopus that is favored by consumers due to its rich nutrient profile. To investigate the influence of different thawing methods on the quality of octopus meat, we employed four distinct thawing methods: air thawing (AT), hydrostatic thawing (HT), flowing water thawing (FWT), and microwave thawing (MT). We then explored the differences in texture, color, water retention, pH, total volatile basic nitrogen (TVB-N), total sulfhydryl content, Ca2+-ATPase activity, and myofibrillar protein, among other quality indicators in response to these methods, and used a low-field nuclear magnetic resonance analyzer to assess the water migration that occurred during the thawing process. The results revealed that AT had the longest thawing time, leading to oxidation-induced protein denaturation, myofibrillar protein damage, and a significant decrease in water retention. Additionally, when this method was utilized, the content of TVB-N was significantly higher than in the other three groups. HT, to a certain extent, isolated the oxygen in the meat and thus alleviated protein oxidation, allowing higher levels of Ca2+-ATPase activity, sulfhydryl content, and springiness to be maintained. However, HT had a longer duration: 2.95 times that of FWT, resulting in a 9.84% higher cooking loss and a 28.21% higher TVB-N content compared to FWT. MT had the shortest thawing time, yielding the lowest content of TVB-N. However, uneven heating and in some cases overcooking occurred, severely damaging the protein structure, with a concurrent increase in thawing loss, W value, hardness, and shear force. Meanwhile, FWT improved the L*, W* and b* values of octopus meat, enhancing its color and water retention. The myofibrillar protein (MP) concentration was also the highest after FWT, with clearer subunit bands in SDS-PAGE electrophoresis, indicating that less degradation occurred and allowing greater springiness, increased Ca2+-ATPase activity, and a higher sulfhydryl content to be maintained. This suggests that FWT has an inhibitory effect on oxidation, alleviating protein oxidation degradation and preserving the quality of the meat. In conclusion, FWT outperformed the other three thawing methods, effectively minimizing adverse changes during thawing and successfully maintaining the quality of octopus meat.
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Affiliation(s)
- Huixin Zhang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (H.Z.); (H.L.)
- Fisheries Research Institute of Fujian, Xiamen 361013, China; (M.X.); (Y.S.); (K.Q.); (B.C.)
| | - Shuji Liu
- Fisheries Research Institute of Fujian, Xiamen 361013, China; (M.X.); (Y.S.); (K.Q.); (B.C.)
| | - Shuigen Li
- Fujian Fisheries Technical Extension Station, Fuzhou 350002, China;
| | - Xiaoe Chen
- College of Food and Pharmacy, Zhejiang Ocean University, State Key Laboratory of Aquatic Products Processing of Zhejiang Province, Zhoushan 316022, China;
| | - Min Xu
- Fisheries Research Institute of Fujian, Xiamen 361013, China; (M.X.); (Y.S.); (K.Q.); (B.C.)
- Key Laboratory of Cultivation and High-Value Utilization of Marine Organisms in Fujian Province, National Research and Development Center for Marine Fish Processing (Xiamen), Xiamen 361013, China;
| | - Yongchang Su
- Fisheries Research Institute of Fujian, Xiamen 361013, China; (M.X.); (Y.S.); (K.Q.); (B.C.)
- Key Laboratory of Cultivation and High-Value Utilization of Marine Organisms in Fujian Province, National Research and Development Center for Marine Fish Processing (Xiamen), Xiamen 361013, China;
| | - Kun Qiao
- Fisheries Research Institute of Fujian, Xiamen 361013, China; (M.X.); (Y.S.); (K.Q.); (B.C.)
- Key Laboratory of Cultivation and High-Value Utilization of Marine Organisms in Fujian Province, National Research and Development Center for Marine Fish Processing (Xiamen), Xiamen 361013, China;
| | - Xiaoting Chen
- Key Laboratory of Cultivation and High-Value Utilization of Marine Organisms in Fujian Province, National Research and Development Center for Marine Fish Processing (Xiamen), Xiamen 361013, China;
| | - Bei Chen
- Fisheries Research Institute of Fujian, Xiamen 361013, China; (M.X.); (Y.S.); (K.Q.); (B.C.)
- Key Laboratory of Cultivation and High-Value Utilization of Marine Organisms in Fujian Province, National Research and Development Center for Marine Fish Processing (Xiamen), Xiamen 361013, China;
| | - Hong Zhong
- Dongshan Paul Food Co., Ltd., Zhangzhou 363400, China;
| | - Hetong Lin
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (H.Z.); (H.L.)
| | - Zhiyu Liu
- Key Laboratory of Cultivation and High-Value Utilization of Marine Organisms in Fujian Province, National Research and Development Center for Marine Fish Processing (Xiamen), Xiamen 361013, China;
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Morphological Description and Phylogenetic Analyses of a New Species of Callistoctopus (Cephalopoda, Octopodidae) from China. DIVERSITY 2022. [DOI: 10.3390/d14121083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A new octopus species, Callistoctopus tenuipes sp. nov., was formally described from the southeastern coastal waters of China using morphological description and molecular analysis methods. C. tenuipes sp. nov. is a small- to moderate-sized octopus, which is characterized by very narrow and long arms. Although it was previously misidentified as the juvenile of Octopus minor (Sasaki, 1920), it can be recognised by spots, gill lamellae count, funnel organ shape, enlarged suckers, and ligula shape. C. tenuipes sp. nov. differs from the small-sized octopus Callistoctopus xiaohongxu, mainly in the gill lamellae count, funnel organ shape, and arm-length index. In the molecular analysis, sequences obtained from the cytochrome c-oxidase subunit I (COI) gene of eight specimens were 590 bp in length. The pairwise Kimura 2-parameter (K2P) genetic distances between Octopodidae species ranged from 8.58 to 23.79% based on the COI gene. The phylogenetic analyses suggested that C. tenuipes sp. nov. belonged to the Callistoctopus clade and may have a close affinity with C. xiaohongxu and O. minor. Moreover, three species delimitation methods all strongly supported C. tenuipes as a separate species.
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Zheng X, Xu C, Li J. Morphological description and mitochondrial DNA-based phylogenetic placement of a new species of Callistoctopus Taki, 1964 (Cephalopoda, Octopodidae) from the southeast waters of China. Zookeys 2022; 1121:1-15. [PMID: 36760765 PMCID: PMC9848676 DOI: 10.3897/zookeys.1121.86264] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 08/10/2022] [Indexed: 11/12/2022] Open
Abstract
In this study, we described a new species of octopus and named it Callistoctopusxiaohongxu sp. nov. based on nine specimens captured in the waters of southeast China. Callistoctopusxiaohongxu sp. nov. is a small to moderate-sized octopus. The most characteristic and defining morphological features are the reddish-orange to reddish-brown skin, gills with 8 or 9 lamellae per demibranch, \∧/-shaped funnel organ, and small suckers. Fragments obtained from the mitochondrial cytochrome c oxidase subunit I (COI) gene of nine specimens were 593 bp in length, and the genetic distance among the specimens of C.xiaohongxu sp. nov. and the other 16 octopods ranged from 11.13 to 21.09%. Topologies resulting from ML and BI analyses of the COI gene showed a highly supported monophyletic clade (bootstrap value [BS] = 94%, posterior probability [PP] = 100%) containing all the specimens identified as C.xiaohongxu sp. nov.
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Affiliation(s)
- Xiaodong Zheng
- Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, 266003, ChinaOcean University of ChinaQingdaoChina
| | - Chenxi Xu
- Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, 266003, ChinaOcean University of ChinaQingdaoChina
| | - Jiahua Li
- Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, 266003, ChinaOcean University of ChinaQingdaoChina
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Salabao L, Plevoets T, Frédérich B, Lepoint G, Kochzius M, Schön I. Describing novel mitochondrial genomes of Antarctic amphipods. Mitochondrial DNA B Resour 2022; 7:810-818. [PMID: 35573593 PMCID: PMC9103263 DOI: 10.1080/23802359.2022.2073837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
To date, only one mitogenome from an Antarctic amphipod has been published. Here, novel complete mitochondrial genomes (mitogenomes) of two morphospecies are assembled, namely, Charcotia amundseni and Eusirus giganteus. For the latter species, we have assembled two mitogenomes from different genetic clades of this species. The lengths of Eusirus and Charcotia mitogenomes range from 15,534 to 15,619 base pairs and their mitogenomes are composed of 13 protein coding genes, 22 transfer RNAs, 2 ribosomal RNAs, and 1 putative control region CR. Some tRNAs display aberrant structures suggesting that minimalization is also ongoing in amphipod mitogenomes. The novel mitogenomes of the two Antarctic species have features distinguishing them from other amphipod mitogenomes such as a lower AT-richness in the whole mitogenomes and a negative GC- skew in both strands of protein coding genes. The genetically most variable mitochondrial regions of amphipods are nad6 and atp8, while cox1 shows low nucleotide diversity among closely and more distantly related species. In comparison to the pancrustacean mitochondrial ground pattern, E. giganteus shows a translocation of the nad1 gene, while cytb and nad6 genes are translocated in C. amundseni. Phylogenetic analysis based on mitogenomes illustrates that Eusirus and Charcotia cluster together with other species belonging to the same amphipod superfamilies. In the absence of reference nuclear genomes, mitogenomes can be useful to develop markers for studying population genetics or evolutionary relationships at higher taxonomic levels.
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Affiliation(s)
- Louraine Salabao
- Laboratory of Functional and Evolutionary Morphology, FOCUS, University of Liège, Liège, Belgium
- Centre for Environmental Sciences, Zoology: Toxicology and Biodiversity, Diepenbeek, Belgium
| | - Tim Plevoets
- Unit Animal Sciences - ILVO Marine Research, Flanders Research Institute for Agriculture, Fisheries and Food, Oostende, Belgium
| | - Bruno Frédérich
- Laboratory of Functional and Evolutionary Morphology, FOCUS, University of Liège, Liège, Belgium
| | - Gilles Lepoint
- Laboratory of Trophic and Isotopes Ecology, FOCUS, University of Liège, Liège, Belgium
| | - Marc Kochzius
- Marine Biology, Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | - Isa Schön
- Centre for Environmental Sciences, Zoology: Toxicology and Biodiversity, Diepenbeek, Belgium
- OD Nature, Freshwater Biology, Royal Belgian Institute of Natural Sciences, Brussels, Belgium
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Tang Y, Zhang X, Ma Y, Zheng X. Descriptive study of the mitogenome of the diamondback squid (
Thysanoteuthis rhombus
Troschel, 1857) and the evolution of mitogenome arrangement in oceanic squids. J ZOOL SYST EVOL RES 2021. [DOI: 10.1111/jzs.12478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yan Tang
- Institute of Evolution and Marine Biodiversity Ocean University of China Qingdao China
- Key Laboratory of Mariculture Ocean University of China Qingdao China
| | - Xiaoying Zhang
- Institute of Evolution and Marine Biodiversity Ocean University of China Qingdao China
- Key Laboratory of Mariculture Ocean University of China Qingdao China
| | - Yuanyuan Ma
- Institute of Evolution and Marine Biodiversity Ocean University of China Qingdao China
- Key Laboratory of Mariculture Ocean University of China Qingdao China
| | - Xiaodong Zheng
- Institute of Evolution and Marine Biodiversity Ocean University of China Qingdao China
- Key Laboratory of Mariculture Ocean University of China Qingdao China
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