Yeast mannan: A comprehensive functional analysis from structural characteristics to biological activity.

Area of Science:

• Biochemistry and Molecular Biology
• Food Science and Technology
• Immunology

Background:

• Yeast mannan, a polysaccharide from yeast cell walls, is recognized for its biological functions and health benefits.
• Its unique molecular structure influences diverse functional properties, attracting interest in nutraceutical and functional food applications.

Purpose of the Study:

• To review the structural characteristics of yeast mannan and their correlation with functional properties.
• To explore the health benefits, including antioxidant, immunomodulatory, and gastrointestinal effects.
• To identify challenges and future research directions for industrial applications and therapeutic potential.

Main Methods:

• Literature review integrating recent research findings on yeast mannan.
• Analysis of structure-activity relationships (SAR), focusing on glycosidic bond specificity.
• Evaluation of extraction and application techniques, alongside toxicological assessments.

Main Results:

• Yeast mannan exhibits significant antioxidant, immunomodulatory, and gastrointestinal health-enhancing properties.
• The specific types of glycosidic bonds critically influence immunomodulatory activities.
• Challenges exist in optimizing extraction, application techniques, and fully understanding SAR.

Conclusions:

• Yeast mannan possesses considerable bioactive potential for nutraceuticals and functional foods.
• A deeper understanding of SAR, particularly glycosidic bond influence, is crucial for optimizing efficacy.
• Further research is needed to address extraction, application, and safety for industrial use.