The bioactive components in reishi (Ganoderma lucidum) that adjust their anti-aging functions mainly include polysaccharides, triterpenes, peptides, and polysaccharide peptides. Polysaccharides are the most important contributors to the bioactivity and medical application of Ganoderma lucidum, which are well known for their antioxidant and immunomodulatory properties. The structure of Ganoderma lucidum polysaccharides is made up of glucose, mannose, [...]