The application of lipase has great significance in the wine industry, the Rhizopus in Daqu is one of the main micro-organisms in the formation of the wine aroma components during liquor fermentation process. Luzhou-flavor liquor style and the advantages and disadvantages of wine quality depend on the level of ethyl esters in the wine contents as well as the co-ordination with other substances. Rhizopus lipase is applied in the wine production, but its enzymatic properties and catalytic mechanism is...