maize starch
- maize starch的基本解释
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玉蜀黍淀粉
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Lacunaria maize starch can be resulted from theα-amylose-catalyze hydrolysis, but the surface of potato starch was just eroded under the same condition. The crystallinity of starches can not be increased through theα-amylose-catalyze hydrolysis.
淀粉酶催化水解时,玉米淀粉颗粒形成多孔状,马铃薯淀粉只是颗粒表面被腐蚀水解,酶解不能提高淀粉的结晶度。
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The results suggested that compared with A-starch and maize starch, there are more quantities of impurities, such as protein, lipid and pentosan, in B-starch. B-starch prepared in the laboratory almost has the same compositions as three samplings, and accords with the reports of some documents too. Differing from the granules in A-starch, those in B-starch are smaller sized (1-10m)and oval shaped, and felted each other. The crystallogram of A- and B-starch are similar, i.e. A type. There is difference in granular distribution between A- and B-starch. The granular distribution of B-starch is anomalous and extensive (l~1259m).B-starch has bigger dilatancy and retrogradation, and smaller blue value, solubility, viscosity, gelatinization temperature and gelatinization enthalpy.
试验结果表明:跟玉米淀粉、A淀粉相比较,B淀粉含有的蛋白质、脂肪和戊聚糖等杂质数量多;实验室制备的小麦B淀粉中淀粉、粗蛋白、戊聚糖等含量均与文献的报道接近,也与在工厂采样的B淀粉相近;与A淀粉不同,B淀粉以小颗粒的淀粉为主,平均粒径1~10μm,颗粒形状呈椭圆形,同时颗粒和颗粒之间黏结紧密;B淀粉和A淀粉晶形结构相似,都为A型;B淀粉的粒度分布情况不同于A淀粉,其粒度分布规律性不强,分布范围也较宽,粒度在1~1259μm之间;B淀粉的凝沉值和膨润力大于A淀粉,而沉降体积、蓝值、溶解度、粘度、糊透光度、相变温度和热焓均小于A淀粉;杂质的含量对B淀粉性质的影响是明显的,随着杂质含量的增加,沉降体积、溶解度和透光度减小,膨润力增大,但是它们对凝沉值、蓝值和粘度的影响比较复杂。
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The extraction of carotene from maize yellow powder , a by-product in a maize starch plant, was studied.
研究了以玉米淀粉厂副产品玉米黄粉为原料,提取类胡萝卜素的最佳工艺条件。
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maize starch:玉米粉
卡比多巴 Carbidopa | 玉米粉 Maize Starch | 木薯粉 Tapioca Starch
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maize starch:玉蜀黍淀粉
maize stalk 玉米秆 | maize starch 玉蜀黍淀粉 | maize straw 玉米秆
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maize starch:粟米小粉
maize oil 粟米油 | maize starch 粟米小粉 | majolika 马略尔卡瓷具