Advances on Bioactive Polysaccharides from Medicinal Plants.

Area of Science:

• Phytochemistry
• Pharmacology
• Natural Products Chemistry

Background:

• Medicinal plant polysaccharides are increasingly recognized for diverse biological activities.
• These compounds offer potential therapeutic benefits with a favorable safety profile.
• Research focuses on isolating, identifying, and characterizing these bioactive molecules.

Purpose of the Study:

• To comprehensively review recent advancements in the physiochemical and structural properties of bioactive polysaccharides from key medicinal plants.
• To summarize the biological activities and medicinal applications of these plant-derived polysaccharides.
• To provide a reference for future research, production, and utilization of these compounds.

Main Methods:

• Literature review of recent studies on medicinal plant polysaccharides.
• Analysis of physiochemical and structural characteristics.
• Evaluation of reported biological activities and applications.
• Focus on polysaccharides from specific plants like Astragalus membranaceus, Dendrobium, and Aloe barbadensis Miller.

Main Results:

• A wide array of bioactive polysaccharides with varied structures and effects have been identified.
• Significant bioactivities include anti-tumor, antioxidant, antidiabetic, and immunomodulatory properties.
• These polysaccharides are generally non-toxic and suitable for medicinal uses.
• Examples include polysaccharides from Astragalus membranaceus, Dendrobium, Bupleurum, Cactus fruits, Acanthopanax senticosus, Angelica sinensis, Aloe barbadensis Miller, and Dimocarpus longan Lour.

Conclusions:

• Medicinal plant polysaccharides possess significant therapeutic potential.
• Their diverse bioactivities and safety profile support applications in functional foods and pharmaceuticals.
• This review highlights their importance and serves as a resource for further development.