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Mineral content of edible marine seaweeds

AutorRupérez Antón, Pilar
Palabras claveAtomic absorption spectrophotometry
Sea vegetables
Marine macroalgae
Edible seaweeds
Mineral content
Fecha de publicación2002
EditorElsevier
CitaciónFood Chemistry 79: 23- 26 (2002)
ResumenMineral content was determined in several brown (Fucus vesiculosus, Laminaria digitata, Undaria pinnatifida) and red (Chondrus crispus, Porphyra tenera) edible marine sea vegetables. Seaweeds contained high proportions of ash (21.1–39.3%) and sulphate (1.3–5.9%). In brown algae, ash content (30.1–39.3%) was higher than in red algae (20.6–21.1%). Atomic absorption spectrophotometry of the ashes indicated that marine seaweeds contained higher amounts of both macrominerals (8.083–17,875 mg/100g; Na, K, Ca, Mg) and trace elements (5.1–15.2 mg/100 g; Fe, Zn, Mn, Cu), than those reported for edible land plants. Edible brown and red seaweeds could be used as a food supplement to help meet the recommended daily intake of some essential minerals and trace elements.
URIhttp://hdl.handle.net/10261/88327
DOI10.1016/S0308-8146(02)00171-
Identificadoresdoi: 10.1016/S0308-8146(02)00171-
issn: 0308-8146
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