Author:
Krook Johanna Liberg,Duinker Arne,Larssen Wenche Emblem,Birkeland Ingri Mjelde,Skeie Siv,Horn Svein Jarle,Stévant Pierrick
Abstract
AbstractThe effects of steam- or warm water treatments of the brown seaweed Saccharina latissima on iodine content and nutrient and sensory profiles were investigated. Warm freshwater or seawater treatments reduced the dry weight iodine content by 73% and 59%, respectively. Steam treatment was less efficient and only reduced the iodine content by 26%. Freshwater treatment resulted in a greater reduction in total solids and loss of water-soluble components, mainly reducing the content of ash and carbohydrates. Seawater treatment had a small effect on total solid content but altered the mineral profile leading to an increase in sodium and decrease in potassium content. The sensory profiles reflected the observed differences in composition as it revealed a significantly higher saltiness of the seawater-treated sample compared to other treatments, as well as a higher umami intensity compared to the freshwater-treated sample. The latter was characterized by low scores across all sensory attributes, indicating greater loss of flavour-active compounds. Further, including seawater-treated S. latissima at relatively low levels (0.5% and 1%) significantly altered the flavour of a commercial spinach soup compared to the same preparation without seaweed. Therefore, warm water treatment using seawater could be an alternative method for lowering the iodine content in brown seaweed while limiting nutrient loss and maintaining its flavour potential for applications in the food industry.
Funder
Norges Forskningsråd
Møre & Romsdal County Council
Norwegian University of Life Sciences
Publisher
Springer Science and Business Media LLC
Subject
Plant Science,Aquatic Science
Reference67 articles.
1. Akomea-Frempong S, Skonberg DI, Camire ME, Perry JJ (2021) Impact of blanching, freezing, and fermentation on physicochemical, microbial, and sensory quality of sugar kelp (Saccharina latissima). Foods 10:2258
2. Andersson M, De Benoist B, Darnton-Hill I, Delange F (2007) Iodine deficiency in Europe: a continuing public health problem. World Health Organization, Geneva
3. Angell AR, Mata L, de Nys R, Paul NA (2016) The protein content of seaweeds: a universal nitrogen-to-protein conversion factor of five. J Appl Phycol 28:511–524
4. ANSES (2018) Opinion of the French Agency for Food, Environmental and Occupational Health & Safety: On the Risk of Excess Iodine Intake from the Consumption of Seaweed in Foodstuffs. Request No 2017-SA-0086, ANSES (French Agency for Food, Environmental and Occupational Health & Safety; Maisons-Alfort, France
5. Ar Gall E, Küpper FC, Kloareg B (2004) A survey of iodine content in Laminaria digitata. Bot Mar 41:30–37
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