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案例详细
一、 工程概述:
淀(dian)(dian)(dian)(dian)(dian)粉(fen)是(shi)葡萄糖(tang)的高聚体,水解(jie)(jie)到(dao)二糖(tang)阶段为麦芽糖(tang),完全水解(jie)(jie)后得到(dao)单糖(tang)(葡萄糖(tang))。淀(dian)(dian)(dian)(dian)(dian)粉(fen)有直链(lian)(lian)(lian)淀(dian)(dian)(dian)(dian)(dian)粉(fen)和(he)支(zhi)(zhi)链(lian)(lian)(lian)淀(dian)(dian)(dian)(dian)(dian)粉(fen)两类(lei)。前者为无分(fen)支(zhi)(zhi)的螺(luo)旋(xuan)结构;后者以24~30个葡萄糖(tang)残基以α-1,4-糖(tang)苷键首尾相连而成,在支(zhi)(zhi)链(lian)(lian)(lian)处为α-1,6-糖(tang)苷键。直链(lian)(lian)(lian)淀(dian)(dian)(dian)(dian)(dian)粉(fen)遇碘(dian)(dian)呈(cheng)蓝(lan)色,支(zhi)(zhi)链(lian)(lian)(lian)淀(dian)(dian)(dian)(dian)(dian)粉(fen)遇碘(dian)(dian)呈(cheng)紫(zi)红色。这并非是(shi)淀(dian)(dian)(dian)(dian)(dian)粉(fen)与(yu)碘(dian)(dian)发生(sheng)了化(hua)学反应(reaction),产生(sheng)相互作用(interaction),而是(shi)淀(dian)(dian)(dian)(dian)(dian)粉(fen)螺(luo)旋(xuan)中(zhong)央(yang)空穴恰能(neng)容下碘(dian)(dian)分(fen)子(zi)(zi),通(tong)过(guo)范德(de)华力(li),两者形成一种蓝(lan)黑色错合物。实(shi)验证明(ming),单独的碘(dian)(dian)分(fen)子(zi)(zi)不能(neng)使(shi)淀(dian)(dian)(dian)(dian)(dian)粉(fen)变蓝(lan),实(shi)际上使(shi)淀(dian)(dian)(dian)(dian)(dian)粉(fen)变蓝(lan)的是(shi)碘(dian)(dian)分(fen)子(zi)(zi)离子(zi)(zi)(I3)。淀(dian)(dian)(dian)(dian)(dian)粉(fen)是(shi)植物体中(zhong)贮存的养分(fen),贮存在种子(zi)(zi)和(he)块茎中(zhong),各类(lei)植物中(zhong)的淀(dian)(dian)(dian)(dian)(dian)粉(fen)含量都较高。
二、 设备概述:
该淀粉专用桨叶干燥机可对膏状、颗粒状、粉状、浆状物料间接加热或冷却,可完成干燥、冷却、加热、灭菌、反应、低温燃烧等单元操作。设备中特殊的楔型搅拌传热浆叶具有较高的传热效率和传热面自清洁功能。
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