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为了更好的开发和利用新培育的“济甜杂”系列耐盐碱高粱品种,本实验采用湿磨法提取了高粱淀粉,并对淀粉样品的持水力、透光率、冻融稳定性、凝沉性质、凝胶强度等性质进行了研究。实验结果表明:“济甜杂”系列耐盐碱高粱具有较好的持水力和透明度;冻融稳定性差;在酸性或碱性条件下凝沉速度缓慢;凝胶强度较低。“,”In order to better develop and exploit the new breed of “Ji tianza”salt-alkaline tolerance sorghum varieties,this study extracted sorghum starch in a wet-milled way,and then measured the water holding capacity, transparency, freeze-thaw stability, retrogradation properties, gel strength and other properties of the starch.The results showed that:“Ji tianza”salt-alkaline tolerance sorghum have a better water holding capacity and transparency;freeze-thaw stability is lower;the speed of retrogradation decrease at acidic or alkaline conditions and gel strength is not strong.