Seaweeds as a Functional Ingredient for a Healthy Diet

Area of Science:

• Marine Biology
• Nutritional Science
• Food Technology

Background:

• Seaweeds have a long history of use as food, particularly in Asian cultures.
• In Western countries, seaweeds are primarily utilized for their gelling and colloidal properties in various industries.
• They are recognized as a rich source of essential nutrients like proteins, vitamins, minerals, and dietary fiber.

Purpose of the Study:

• To explore the nutritional profile and bioactive compounds of seaweeds.
• To investigate the health benefits and functional properties associated with seaweed consumption.
• To highlight the potential of seaweeds as a source for functional ingredients and foods.

Main Methods:

• Literature review of seaweed applications and composition.
• Analysis of bioactive compounds including polyphenols, polysaccharides, sterols, and essential fatty acids.
• Examination of secondary metabolites synthesized by algae.

Main Results:

• Seaweeds contain significant levels of proteins, vitamins, minerals, and fiber.
• Bioactive molecules such as polyphenols, polysaccharides, and sterols contribute to health benefits.
• Seaweeds possess higher proportions of essential fatty acids like eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) compared to terrestrial plants.
• Algae synthesize diverse secondary metabolites, including terpenoids, oxylipins, and phlorotannins.

Conclusions:

• Seaweeds are a valuable natural resource rich in diverse bioactive compounds.
• These compounds confer antioxidant, anti-inflammatory, anti-cancer, and anti-diabetic properties.
• Seaweeds hold significant potential for use as functional ingredients in the food industry to develop health-promoting products.