An overview on red algae bioactive compounds and their pharmaceutical applications.

Area of Science:

• Marine Biotechnology and Natural Products Chemistry
• Pharmacology and Drug Discovery
• Phycology and Marine Botany

Background:

• Seaweed, particularly red algae, is increasingly recognized for its health and therapeutic potential.
• Red algae represent a vast group of organisms rich in diverse bioactive compounds.
• These compounds find applications across cosmetic, pharmaceutical, and food industries.

Purpose of the Study:

• To conduct a comprehensive review of bioactive compounds present in red algae.
• To explore and summarize the established and potential pharmaceutical applications of these compounds.

Main Methods:

• Literature review of scientific publications on red algae and their bioactive constituents.
• Analysis of reported chemical profiles of various red algae species.
• Compilation of documented pharmacological activities and therapeutic uses.

Main Results:

• Identified key bioactive compounds including polysaccharides (agar, alginate, carrageenan), lipids, polyphenols, steroids, and alkaloids.
• Documented diverse pharmacological activities: antiviral, antitumor (colon cancer), anti-inflammatory, contraceptive, wound healing, anti-ulcerogenic, anti-diabetic, lipid-lowering, and anti-obesity effects.
• Highlighted specific compounds like porphyran for anti-hyperlipidemic action and catechins for telomerase inhibition.

Conclusions:

• Red algae are a valuable source of novel bioactive compounds with significant pharmaceutical potential.
• Biotechnological applications, especially in drug delivery systems using red algae-derived polysaccharides and nanotechnology, are expanding.
• Further research into red algae bioactive compounds can lead to new therapeutic agents and health products.