amylose
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类别 Category:humectants
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笔记 Notes: an 直立的 unbranched 葡聚糖 glucan in 淀粉 starch. 储存的 Stored in all 部分 parts of 植物 plants as 日晒 insol. 颗粒剂 颗粒 granules. 交流 Coml. 淀粉 淀粉 starches 来 come 主要是 mainly from 玉米 corn (玉米 maize), 高粱粒 sorghum grains, 木薯根和马铃薯块茎。大多数淀粉样品含有20×5％直链淀粉，可以点样。来自aq aq淀粉溶液。与 , 例如 e.g., 百里香酚。食品加工中的各种用途，包括增稠剂 Thymol. Various uses in food processing including thickener, 稳定剂 stabilizer, 风味改良剂 flavour modifier, 发酵粉填料 filler for baking powder, 面粉添加剂 flour additive, 固化剂和脱模/防粘剂。还使用了许多修改形式 firming agent and release/antisticking agent. Many modified forms also used
直链淀粉是葡萄糖的线性聚合物，主要通过α（1→4）键连接。它可以由数千个葡萄糖单位制成。它是淀粉的两个成分之一 Amylose is a linear polymer of glucose linked mainly by ?(1?4) bonds. It can be made of several thousand glucose units. It is one of the two components of starch, 另一个是支链淀粉。直链淀粉可溶于水。直链淀粉定义为（1→4）连接的α-d-吡喃葡萄糖基单元的线性分子 the other being amylopectin. Amylose is soluble in water.; Amylose is defined as a linear molecule of (1→4) linked alpha-D-glucopyranosyl units, 藜属变种leucospermum种子油chenopodium canihua种子油chenopodium hircinum亚种。千层籽油白屈菜变种藜麦籽油藜麦籽油紫草藜针叶籽油藜紫藜种子的表达表达的紫草种子油 but it is today well established that some molecules are slightly branched by (1→6)-alpha-linkages. ; The oldest criteria for linearity consisted in the susceptibility of the molecule to complete hydrolysis by beta-amylase. This enzyme splits the (1→4) bonds from the non-reducing end of a chain releasing beta-maltosyl units, 但不能裂解（1→6）键。当被纯β-淀粉酶降解时 but cannot cleave the (1→6) bonds. When degraded by pure beta-amylase, 线性大分子完全转化为麦芽糖 linear macromolecules are completely converted into maltose, 而支链也给出一种β-极限糊精，其由剩余的内核多糖结构组成，其外链凹陷了。不同植物来源的淀粉具有不同的粒度 whereas branched chains give also one beta-limit dextrin consisting of the remaining inner core polysaccharide structure with its outer chains recessed.; Starches of different botanical origins possess different granular sizes, 形态学 morphology, 多态性 polymorphism and 酵素 enzyme 消化率 digestibility. 这些 These 特点 characteristics are 有关 related to the chemical 结构 结构体 structures of the 支链淀粉 amylopectin and amylose and 怎么样 how 他们 they are 安排 ar范围 ranged in the 淀粉 starch 颗粒 granule. (mid PMID 9730163)
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3D/INCHI