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              Your Position: Home > Product > Biochemical > Carbohydrates

              Amylose, from Potato

              Update:2015/1/1 4:49:23

                Item:Amylose, from Potato
                Synonym:
                CAS No.:9005-82-7Special Grade:Type Ⅲ
                Formula:M.W.:
              Order
                Product No.SizePriceBrand
                A0512-250mg250mg180GBCBIO
                A0512-1g1g475GBCBIO
                A0512-1g1g644Sigma
              Introduction
                Solvent Content (%).............................≤10
                Blue &#118alue (%)...........................≤0.5
                直鏈淀粉是D-葡萄糖基以a-(1,4)糖苷鍵連接的多糖鏈,分子中有200個(gè)左右葡萄糖基,分子量l~2×105,聚合度990,空間構(gòu)象卷曲成螺旋形,每一回轉(zhuǎn)為6個(gè)葡萄糖基。支鏈淀粉分子中除有a-(1,4)糖苷鍵的糖鏈外,還有a-(1,6)糖苷鍵連接的分支,分子中含300~400個(gè)葡萄糖基,分子量>2×107,聚合度7200,各分支也都是卷曲成螺旋形。淀粉與碘呈顏色反應(yīng),直鏈淀粉為藍(lán)色,支鏈淀粉為紫色。
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