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一般說明
淀粉是植物中的碳水化合物储备,也是人类能量的主要来源。在植物中,淀粉存在于叶片的叶绿体、块茎和种子的淀粉质体中。在结构上,淀粉由两种主要的多糖组成,即直链淀粉和支链淀粉。两者均由-(1,4)-连接 D-葡萄糖残基通过-(1,6)-糖苷键相互连接的链组成。马铃薯淀粉在功能上优于其他淀粉,因为它的脂类级别低。淀粉的营养成分包括快速消化淀粉、慢速消化淀粉和抗性淀粉 (RS)。淀粉酶是淀粉降解酶。淀粉消化率受食物中碳水化合物含量、淀粉营养成分和烹调食物等因素的影响。抑制胰淀粉酶对延缓淀粉消化,防止餐后高血糖有重要的治疗作用。 食品工业用淀粉作增稠剂。
應用
来自马铃薯的淀粉已被用作 α-淀粉酶抑制试验,通过使用生熟食品样品和瓜蒌 (Linn)的地上部分,作为测定 SusG 活性的底物,使用 DNSA 试验测定动物肠道菌群活性。
儲存類別代碼
11 - Combustible Solids
水污染物質分類(WGK)
nwg
閃點(°F)
Not applicable
閃點(°C)
Not applicable
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实验方案
Objective: To standardize a procedure for determining the enzymatic activity of Pectinase.
Enzymatic Assay of Pectinase
This procedure may be used for the determination of Amyloglucosidase activity using starch as the substrate.
Follow our procedure for the determination of alpha-Amylase activity. This enzymatic assay of a-Amylase guides you through the entire process and necessary calculations.
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