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麦芽五糖 |
CAS No.: |
34620-76-3 |
分子式: |
C30H52O26 |
分子量: |
828.7183 |
备注: |
中文名称麦芽五糖中文同义词麦芽五糖标准品;麦芽五糖,DP5;麦芽五糖;麦芽五糖(混有异构体);麦芽戊糖;MALTOPENTAOSE麦芽五糖;(2R,3R,4R,5R)-4-(((2R,3R,4R,5S,6R)-5-(((2R,3R,4R,5S,6R)-5-((2R,3R,4R,5S,6R)-3,4-二羟基-6-(羟甲基)-5-(((2R,3R,4S,5S,6R)-3,4,5-三羟基-6-(羟甲基)四氢-2H-吡喃-2-基)氧基)四氢-2H-吡喃-2-基)氧基)-3,4-二羟基-6-(羟甲基)四氢-2H-吡喃-2-基)氧基)-3,4-二羟基-6-(羟甲基)四氢-2H-吡喃-2-基)氧基)-2,3,5,6-四羟基己醛;UL-13C30]麦芽五糖英文名称MALTOPENTAOSE英文同义词O-alpha-D-Glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-D-glucose;MALTOPENTAOSE;d-glucose,o-alpha-d-glucopyranosyl-(1.fwdarw.4)-o-alpha-d-glucopyranosyl-(1.;fwdarw.4)-o-alpha-d-glucopyranosyl-(1.fwdarw.4)-o-alpha-d-glucopyranosyl-(1.f;wdarw.4)-;D-Glucose,O-.alpha.-D-glucopyranosyl-(1?4)-O-.alpha.-D-glucopyranosyl-(1?4)-O-.alpha.-D-glucopyranosyl-(1?4)-O-.alpha.-D-glucopyranosyl-(1?4)-;maltopentose,dp5;O-alpha-D-glucopyranosyl-(1->4)-O-alpha-D-glucopyranosyl-(1->4)-O-alpha-D-glucopyranosyl-(1->4)-O-alpha-D-glucopyranosyl-(1->4)-ChemicalbookD-glucoseCAS号34620-76-3分子式C30H52O26分子量828.72EINECS号252-118-9相关类别碳水化合物;生化试剂;糖化学分析标准品;生化试剂-碳水化合物类;对照品-中药对照品;对照品;标准品-中药标准品;标准品,对照品;通用试剂;通用生化试剂-糖类;BasicSugars(Mono&Oligosaccharides);Biochemistry;Oligosaccharides;Sugars;Carbohydrates;CarbohydratesAto;CarbohydratesM-OBiochemicalsandReagents;PolysaccharideMol文件34620-76-3.mol结构式麦芽五糖性质熔点>168°C(dec.)沸点683.59°C(roughestimate)密度1.3740(roughestimate)折射率176°(C=1,H2O)储存条件Hygroscopic,Refrigerator,underinertatmosphere溶解度H2O:50mg/mL,澄清,无色酸度系数(pKa)12.39±0.20(Predicted)形态固体颜色白色至浅米色稳定性吸湿性LogP-9.480(est)麦芽五糖用途与合成方法麦芽聚糖麦芽五糖(Maltopentaose)由α(1-4)链接D-葡萄糖单体和痕迹量的(1-6)链接葡萄糖缩合组成,聚合度为5。麦芽聚糖是由淀粉水解得到的系列低分子量糖类,是一组线性的α(1-4)链接的D-葡萄糖聚合物。通常麦芽聚糖工业级产品是通过马铃薯淀粉酸性水解而成。1973年以来,人们发现某些链霉菌、枯草杆菌、假单胞菌能分泌一种专门的酶,把糊精转化为甜度较低的麦芽三糖、麦芽四糖、麦芽五塘、麦芽六塘以至麦芽十糖。后来又发现这些麦芽低聚糖对肠道内腐败菌有抑制作用,从而确定其具有保健作用。近年来麦芽低聚糖已被作为一种“功能性食品”被人们所接受。生物活性Maltopentaose是麦芽糊精中最短的低聚糖,可用于研究α-乳清蛋白的糖化和磷酸化。靶点HumanEndogenousMetabolite化学性质白色结晶粉末,可溶于甲醇、乙醇、DMSO等有机溶剂。用途用于含量测定/鉴定/药理实验等 |
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