Fatty acid profile in meal obtained from biological silage of the viscera of the scallop (Argopecten purpuratus)
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Published:
Jun 30, 2026
Keywords:
aquaculture diets, organic nutrients, by-products
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Abstract
Aquaculture by-products represent a potential source of nutrients for the formulation of diets for aquatic organisms. The objective of this study was to determine the fatty acid profile in meal obtained from biological silage of scallop (Argopecten purpuratus) viscera. Fresh soft residues (digestive gland, gills y mantle) were washed, ground, and mixed with 5% molasses and 10% Lactobacillus bulgaricus, then incubated at 40 °C for 48 h. The fatty acid profile was determined by gas chromatography. Polyunsaturated fatty acids were the most abundant (43.83%), followed by saturated fatty acids (33.07%) and monounsaturated fatty acids (23.10%). Eicosapentaenoic acid (EPA) showed the highest proportion (19.51%), followed by linoleic acid (12.76%), docosahexaenoic acid (DHA; 9.56%), and linolenic acid (2.00%). The EPA/DHA ratio was 2.04. A higher proportion of n-3 fatty acids (31.07%) was observed compared to n-6 fatty acids (12.76%). The fatty acid profile of the meal obtained from biological silage of scallop viscera represents a nutritional resource of interest for inclusion in diets of aquatic species.
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Saldaña Rojas, G., Carhuapoma Garay, J., & Vigo López, S. (2026). Fatty acid profile in meal obtained from biological silage of the viscera of the scallop (Argopecten purpuratus). Punkuri Journal of Aquatic Sciences, 2(1), 1-4. https://doi.org/10.71173/rev.punkuri.cien.acua.2026.v2i1.01
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References
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Tocher, D.R. (2003). Metabolism and functions of lipids and fatty acids in teleost fish. Reviews in Fisheries Science, 11(2), 107-184. https://doi.org/10.1080/713610925
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Bertullo, E. (1984). Empleo de las producciones animales acuáticas en la elaboración de ensilado. Revista Tecnología de Alimentos Pesqueros, 1, 24-45. https://ru.dgb.unam.mx/items/c8705475-6571-4a4f-8a06-4f3baa1e9343
Biandolino, F., Di Leo, A., Parlapiano, I., Papa, L., Giandomenico, S., Spada, L., Prato, E. (2019). Nutritional quality of edible marine bivalves from the southern coast of Italy, Mediterranean Sea. Polish Journal of Food and Nutrition Sciences, 69(1), 71–81. https://doi.org/10.31883/pjfns-2019-0001
Calder, P.C. (2015). Functional roles of fatty acids and their effects on human health. Journal of Parenteral and Enteral Nutrition, 39, 18S-32S. https://doi.org/10.1177/0148607115595980
Colán-Ramos, C., Gómez-Sánchez, M., Alcázar-Zamora, J., Aguirre-Velarde, A. (2019). Aprovechamiento de los residuos blandos de concha de abanico, Argopecten purpuratus (Lamarck, 1819), para producir harina de alto contenido proteico. Revista de Investigaciones Veterinarias del Perú, 30(2): 961-966. https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/16085
Fang, H., Sissener, N.H., Prabhu, A.J., Rosenlund, G., Stubhaug, I., Saele, O. (2025). Interaction between dietary saturated fatty acids and cholesterol on mineral and fatty acid availability and postprandial lipids absorption kinetics in Atlantic salmon (Salmo salar). Aquaculture, 600, 742250. https://doi.org/10.1016/j.aquaculture.2025.742250
FAO. (2024). El estado mundial de la pesca y la acuicultura 2024. La transformación azul en acción. Organización de la Naciones Unidas para la Agricultura y la Alimentación. Roma. https://doi.org/10.4060/cd0683es
Glencross, B.D. (2009). Exploring the nutritional demand for essential fatty acids by aquaculture species. Reviews in Aquaculture, 1(2), 71-124. https://doi.org/10.1111/j.1753-5131.2009.01006.x
Glencross, B.D., Bachis, E., Betancor, M.B., Calder, P., Liland, N., Newton, R., Ruyter, B. (2025). Omega-3 futures in aquaculture: Exploring the supply and demands for long-chain omega-3 essential fatty acids by aquaculture species. Reviews in Fisheries Science & Aquaculture, 33(2), 167–216. https://doi.org/10.1080/23308249.2024.2388563
Hua, K., Cobcroft, J.M., Cole, C., Condon, K., Jerry, D.R., Mangott, A., Praeger, C., Vucko, M.J., Zeng, C., Strugnell, J.M. (2019). The future of aquatic protein: Implications for protein sources in aquaculture diets. One Earth, 1(3), 316-329. https://www.cell.com/one-earth/pdfExtended/S2590-3322(19)30132-0
Hundal, B.K., Liland, N.S., Rosenlund, G., H¨oglund, E., Araujo, P., Stubhaug, I., Sissener, N.H. (2021). Increasing the dietary n-6/n-3 ratio alters the hepatic eicosanoid production after acute stress in Atlantic salmon (Salmo salar). Aquaculture, 534, 736272. https://doi.org/10.1016/j.aquaculture.2020.736272
Hurtado, B. (2017). Efectos de fuentes de carbono y fuentes fermentables en la composición química proximal de la harina del ensilado biológico de residuos blandos de Argopecten purpuratus. Tesis para Título Profesional. Universidad Nacional del Santa, Perú. https://repositorio.uns.edu.pe/handle/20.500.14278/2569
Luo, F., Xing, R., Wang, X., Oeng, Q., Li, P. (2017). Proximate composition, amino acid and fatty acid profiles of marine snail Rapana venosa meat, visceral mass and operculum. Journal of the Science Food and Agriculture, 97, 5361–5368. https://doi.org/10.1002/jsfa.8425
Maksimenko, A., Belyi, L., Podvolotskaya, A., Son, O., Tekutyeva, L. (2024). Exploring sustainable aquafeed alternatives with a specific focus on the ensilaging technology of fish waste. Fermentation, 10, 258. https://doi.org/10.3390/fermentation10050258
PRODUCE. (2025). Anuario estadístico pesquero y acuícola 2024. Oficina General de Evaluación de Impacto y Estudios Económicos. Ministerio de la Producción. Lima, Perú. https://www.producempresarial.pe/anuario-estadistico-pesquero-y-acuicola-2024/
Rasidi (2022). Potential utilization of mussel meals as an alternative fish feed raw material for aquaculture. IOP Conference Series: Earth and Environmental Science, 1119, 012063. https://iopscience.iop.org/article/10.1088/1755-1315/1119/1/012063/pdf
Reddy K.B., Chintagunta A.D., Gutti R.K., Kumar, N.S.S. (2026). Sustainable valorization of fish viscera into omega-3 rich lipids and their functional validation. AMB Express, 16, 35. https://doi.org/10.1186/s13568-026-02029-1
Savage, C. (2009). Marine source of omega 3: Is their future in aquaculture. University of Otago. New Zealand. (pp. 169-197). In: Aquaculture Research Progress. Editor: Takumi K. Nakamura. Nova Science Publishers, Inc. https://www.researchgate.net/profile/Binay-Chakraborty/publication/288432783
Tocher, D.R. (2003). Metabolism and functions of lipids and fatty acids in teleost fish. Reviews in Fisheries Science, 11(2), 107-184. https://doi.org/10.1080/713610925
Turlybek, N., Nurbekova, Z., Mukhamejanova, A., Baimurzina, B., Kulatayeva, M., Aubakirova, K.M., Alikulov, Z. (2025). Sustainable aquaculture systems and their impact on fish nutritional quality. Fishes, 10, 206. https://doi.org/10.3390/fishes10050206
Zhao, X., Peng, J., Wu, H., Zheng, G., Guo, M., Kang, X., Tan, Z. (2022). Bimonthly variation in nutrient composition and taste components of Crassostrea gigas cultured in Rushan, Southern yellow sea. Aquaculture Research, 53, 6711–6720. https://doi.org/10.1111/are.16139