Method for extracting fructose from sunflower head and stem pith

The invention provides a method for extracting fructose from sunflower head and stem pith. The method comprises the following steps: using sunflower head and stem pith after harvesting sunflower seeds as raw materials; extracting with ethanol; carrying out filtration, concentration, column chromatography and other methods to obtain the fructose. The fructose prepared by the invention is derived from natural components of the sunflower, does not contain any added substances and can be widely applied to healthy food, beverage and other food industries. The method is simple in process, high in yield, low in cost, and easy in industrial production, can turn waste into treasure, and realizes deep processing and reuse of sunflower byproducts. 本发明提供了种从向日葵盘和茎髓中提取果糖的方法。本发明提供的方法包括以葵花籽采收后的葵盘和茎髓为原料，以食用乙醇提取，经过滤、浓缩、柱层析等方法，最终获得果糖。本发明制备的果糖，是源于向日葵自身的天然成分，不含任何添加物质，可广泛应用于健康食品、饮料等食品工业中。该方法工艺简单，产率高，成本低廉，易于工业化生产，可变废为宝，实现向日葵副产物的深加工再利用。