Extraction, separation, modification, structural characterization, and antioxidant activity of plant polysaccharides

Area of Science:

• Biochemistry
• Natural Product Chemistry

Background:

• Polysaccharides are crucial macromolecules exhibiting significant biological activity.
• The biological functions of polysaccharides are intrinsically linked to their molecular structure.
• Extraction and modification techniques directly influence polysaccharide structure and subsequent bioactivity.

Purpose of the Study:

• To review current methods for polysaccharide extraction, separation, and modification.
• To discuss the advantages and disadvantages of various polysaccharide processing techniques.
• To explore research methodologies for polysaccharide structure characterization and antioxidant activity assessment.

Main Methods:

• Literature review of extraction, separation, and modification techniques for polysaccharides.
• Discussion of analytical methods for polysaccharide structure elucidation.
• Overview of assays used to evaluate antioxidant activity of polysaccharides.

Main Results:

• Identified key factors influencing polysaccharide structure during extraction and modification.
• Compared the efficacy and limitations of different polysaccharide processing strategies.
• Highlighted essential techniques for characterizing polysaccharide structure and function.

Conclusions:

• Optimizing extraction, separation, and modification is vital for harnessing plant polysaccharide bioactivity.
• Understanding structure-activity relationships is fundamental for developing new applications.
• This review provides a theoretical framework for plant polysaccharide research, particularly in antioxidant studies.