... of Ganoderma lucidum contains ergosterol, 0.3% to 0.4%, fungal lysozyme and acid protease, L-mann The main chemical constituents of Ganoderma lucidum contains ... , tryptophan, threonine, proline, methionine, Phenylalanine, serine and other amino acids, peptides and polysaccharides. Still contain resin, lactone, coumarin and so on. Reishi extracts powder