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The increasing demand for global food resources and over-dependence on terrestrial agroecosystems pose a significant challenge to the sustainable production of food commodities. Macroalgae are an essential source of food production in the marine environment, and their cultivation is a promising approach to alleviate the impending global food insecurity due to key factors, such as independence from terrestrial agriculture, rapid growth rate, unique biochemical composition, and carbon capture potential. Moreover, in many countries, seaweed has been used as food for decades because of its health and nutritional benefits. Seaweed contains bioactive components that are beneficial against various pathological conditions, including cancer, type 2 diabetes, and neurological disorders. Furthermore, the natural products derived from macroalgae have also been found to have immunostimulatory and antimicrobial properties. Macroalgae are also a significant source of rare sugars such as L-fucose, L-rhamnose, and glucuronic acid. Besides sugars, other bioactive components have been widely reported for their potential in cosmeceuticals. We have outlined the nutrient composition and functional properties of different species of macroalgae, with an emphasis on their potential as value-added products to the functional food market. Beyond being nutritional powerhouses, the variety of biological activities in human health and biomedicine makes them excellent candidates for developing novel drugs. Therefore, this review summarizes the pharmaceutical applications of macroalgae and suggests potential strategies for incorporating macroalgae-derived bioactive compounds into therapeutic products.
Hyderi et al. (Tue,) studied this question.