Method of fermenting production of polysaccharide hydrolase (PSH) for tea manufacture and the efficiency of tea manufacture were investigated from from the angle of solid fermentation and antipolyphenolity according to the principle of microbial physiology and ecology.

The aforementioned active extracts are as follows: β-carotene, hydrolyzed polysaccharide from Dunaliella salina, hydrolyzed peptide from Dunaliella salina, the antibacterial and moisturizing copolymer of hydrolyzed peptide from Dunaliella salina and chitosan, the stable compound of water soluble peptide f.

A new plate method for screening of polysaccharide-degrading enzymes and their producing microorganisms;