Efficient Extraction of Carotenoids from <i>Sargassum muticum</i> Using Aqueous Solutions of Tween 20
Flávia A. Vieira | Sónia P. M. Ventura
The replacement of synthetic compounds by natural products witnesses an increasing demand from the pharmaceutical, cosmetic, food and nutraceutical industries. Included in the set of natural raw materials that are poorly explored are the macroalgae. Despite the detailed characterization and identification of most relevant biomolecules that are present in the main macroalgae species, there remains a lack of efficient and economically viable processes available to meet the needs of the markets. In this work, an efficient and single-step process, based on aqueous solutions of Tween 20, to recover carotenoids from <i>Sargassum muticum</i>, an invasive brown macroalgae species present in the Portuguese coast, is proposed and optimized allowing an extraction yield of 2.78 ± 0.4 mg<sub>carotenoids</sub>.g<sub>dried mass</sub><sup>−1</sup>, which is shown to increase the extraction efficiency by 38% when compared with traditional methods.
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