Fasting Reveals the Effects of a Plant Extract- and Microalgae-Derived Nutraceutical on Lipid Metabolism and Hepatic Physiology in Juvenile Sparus aurata Fed a Plant-Based Diet.
Caderno A, Oliva M, Galafat A, Astola A, Alarcón-López FJ
Microalgae
Microalgae-based feed additives being tested in aquaculture today are the same algae strains showing up in home pond kits and aquaponics systems — what researchers learn about lipid metabolism in fish tanks scales directly to backyard food systems.
Scientists fed young fish a plant-based diet with a special supplement made from plant extracts and tiny algae called microalgae, then stopped feeding them to see how their bodies coped. They found the supplement changed how the fish stored and used fats, and affected how well the liver functioned under the stress of not eating. This kind of research helps figure out whether plant-based and algae-based ingredients can replace fish meal in aquaculture without harming animal health.
Key Findings
A nutraceutical combining plant extracts and microalgae altered lipid metabolism pathways in juvenile fish livers during fasting stress
Hepatic (liver) physiology showed measurable changes in fish receiving the supplement compared to controls, indicating organ-level metabolic effects
The fasting challenge model revealed supplement effects that may not have been detectable under normal feeding conditions, highlighting stress as a diagnostic tool
chevron_right Technical Summary
A nutraceutical blend from plant extracts and microalgae, added to a plant-based fish diet, altered how juvenile fish processed fats and managed liver function when food was withheld — suggesting these supplements can meaningfully shift metabolic resilience during stress.
Abstract Preview
This study investigated the effects of a plant-based diet supplemented with a nutraceutical derived from plant extracts and microalgae on hepatic function and lipid metabolism during a fasting chal...
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