Using brewing white vinegar as extracting agent to dried rose 6g,adding dates 6g,licorice 3g,medlar 3g,honeysuckle1 g,lotus nut 1g as excipient.With orthogonal array design,the optimizing formulas is honey 50 g,sugar 50 g,maltose 10 g,fructose5g,ethyl maltol 120mg/L,sodium citrate 1.8g.The rose vinegar is up to the standards...