Based on the Lane-Eynon method in GB/T 13662—2008,the determination method of total sugar in Hakka yellow rice wine was improved.The effects of zinc acetate and potassium hexacyanoferrate treatment on the determination were investigated.The experimental results suggested that,wine samples treated by zinc acetate and potassium hexacyanoferrate or the addition of potassium hexacyanoferrate in Fehling's reagent was helpful for the judgment of titration end point color.Besides,treating wine samples with potassi...