According to the diet therapy principle in traditional chinese medical science, and inconsideration with the present habits, customs, consuming level, food pattern and health condition of food con-sumers,an“eight precious ingredients for nutritious spice” for meat processing was developed.

This experiment takes the sweet potato leaf as the primary data, the white granulated sugar, and the corn syrup as the carbon source, and the active white liquor dry yeast as ferments the fluid , uses the liquid zymotechnics to brew the sweet potato leaf to incite the tonic, and discovers the most superior saccharification condition through the contrast experiment.