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Article Dans Une Revue Current Research in Food Science Année : 2023

Does drying preserve the nutritional quality of small freshwater fish without excessive concentrations of heavy metals?

Résumé

The potential of drying to preserve the nutritional quality of a small freshwater fish Henicorhynchus siamensis was assessed. Drying time to reach moisture content and water activity of 10 g/100g and 0.65 ranged from 55 h at 50 °C to 20 h at 80 °C, respectively. Dried fish powder is rich in macronutrients (protein, lipid and ash) and essential minerals (calcium, phosphorus, iron and zinc) due to water removal and despite lipid loss. It is still rich in polyunsaturated fatty acids although docosahexaenoic acid was reduced except at 60°C. Vitamin A was rapidly degraded and manganese was concentrated at high level. However, mean score for the nutritional adequacy of the 15 nutrients (SAIN) and score of nutrients to limit (LIM) show that the fish powder can be used as a food ingredient for example in the formulation of fish snack or instant soup. With the abundance of Henicorhynchus siamensis, dried fish powder from this species could contribute to food security in Cambodia, especially vulnerable people in rural areas.
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Dates et versions

hal-04072447 , version 1 (02-04-2024)

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Sengly Sroy, Sylvie Avallone, Adrien Servent, Sokneang In, Elodie Arnaud. Does drying preserve the nutritional quality of small freshwater fish without excessive concentrations of heavy metals?. Current Research in Food Science, 2023, 6, pp.100489. ⟨10.1016/j.crfs.2023.100489⟩. ⟨hal-04072447⟩
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