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Effect of faba bean Vicia faba L. water/alcohol extract on growth performance, antioxidant capacity, textural properties, and collagen deposition in the swim bladder of juvenile Nibea coibor

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Abstract

Faba bean has gained attention as a cost-effective protein source with the potential to enhance product quality (texture properties, collagen content, etc.) in fish. However, its anti-nutrition factor, high feed conversion ratio, poor growth performance, etc. limit the widely application as a dietary source, especially in carnivorous fish. The water or alcohol extract of faba bean might resolve the problem. In this study, the juvenile Nibea coibor, known for their high-protein, large-sized, and high-grade swim bladder, were fed with seven isoproteic and isolipid experimental diets with the additive of faba bean water extract (1.25%, 2.5%, and 5%) or faba bean alcohol extract (0.9%, 1.8%, and 3.6%), with a control group without faba bean extract. After the 10-week feeding trail, the growth, antioxidant capacity, textural properties, and collagen deposition of the swim bladder were analyzed. Results showed that the 1.25% faba bean water extract group could significantly promote growth, textural quality of the swim bladder, and have beneficial effects on antioxidant response of fish. Conversely, dietary supplementation of faba bean alcohol extract resulted in reduced growth performance in a dose-dependent manner. Furthermore, fish fed diet with 1.25% faba bean water extract exhibited increased collagen content and upregulated collagen-related gene expression in the swim bladder, which was consistent with the Masson stain analysis for collagen fiber. Our results suggested that the anti-nutrient factor and bioactive component of faba bean may mainly be enriched in alcohol extract and water extract of faba bean, respectively. Besides, the appropriate addition of water extract of faba bean may improve the texture quality of the swim bladder by promoting collagen deposition. This study would provide a theoretical basis for the formulated diets with faba bean extract to promote product quality of marine fish.

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Acknowledgements

We are very grateful to the Guangdong Provincial Key Laboratory of Marine Biotechnology (Shantou University) for the opportunity to perform this study.

Funding

This work was financially supported by the Natural Science Foundation of Guan- dong Province (2022A1515010778), Special Fund for Science and Technology of Guangdong Province (STKJ2021099, STKJ202209036), Key Program of Marine Economy Development (Six Marine Industries) Special Foundation of Department of Natural Resources of Guangdong Province (GDNRC[2020]076), National Natural Science Foundation of China (No. 31972806), Guangdong Province Basic and Applied Basic Research Fund—Provincial and Municipal Joint Fund (No. 2021A1515110179), and Department of Education of Guangdong Province (2018KCXTD012, 2022ZDZX4006).

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Haoji Guo: Investigation, Writing - Original draft preparation, Project administration; Liu Guoquan: Conceptualization, Investigation, Formal analysis, Data curation; Mengdu Tian: Resources, Writing - Review and Editing; Chunsheng Liu and Haoran Zhang: Resources; Shuqi Wang: Writing - Review and Editing; Xiaobo Wen and Fan Lin: Supervision, Project administration, Writing - Review and Editing.

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Correspondence to Xiaobo Wen or Fan Lin.

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All animal procedures were carried out in accordance with the Guideline for the Care and Use of Laboratory Animals of Shantou University.

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The authors declare no competing interests.

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Guo, H., Liu, G., Tian, M. et al. Effect of faba bean Vicia faba L. water/alcohol extract on growth performance, antioxidant capacity, textural properties, and collagen deposition in the swim bladder of juvenile Nibea coibor. Fish Physiol Biochem (2024). https://doi.org/10.1007/s10695-024-01328-3

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  • DOI: https://doi.org/10.1007/s10695-024-01328-3

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