你知道玉米淀粉改性后為什么會(huì)有顆粒物出現(xiàn)嗎？實(shí)際上玉米淀粉高混機(jī)改性后會(huì)有顆粒物，這是正常的。下面玉米淀粉顆粒廠家就來(lái)為您講解一番。

Do you know why there are particles after modification of corn starch? In fact, it is normal for the modified corn starch high mixer to have particles. Now the corn starch granule manufacturer will explain it to you.

高混機(jī)改性在高速攪拌的情況下，溫度上升很快，一般3分鐘上升40-50℃，溫度一高，淀粉開(kāi)始糊化，也就是發(fā)粘了，就會(huì)成團(tuán)。如果淀粉改性過(guò)程中加入磷酸等液體物質(zhì)，結(jié)團(tuán)會(huì)更嚴(yán)重。你可以適當(dāng)減少高混時(shí)間，使淀粉不要到這么高溫度。改性以后受熱就會(huì)出現(xiàn)顆粒物了。

High speed mixer modification In the case of high-speed mixing, the temperature rises very quickly, generally 40-50 ℃ in 3 minutes. When the temperature is high, the starch begins to gelatinize, that is, it becomes sticky and will form a cluster. If liquid substances such as phosphoric acid are added in the starch modification process, the agglomeration will be more serious. You can reduce the mixing time properly to prevent the starch from reaching such high temperature. After modification, particles will appear when heated.

那么有的人就問(wèn)了，買的玉米淀粉為啥有顆粒呢？事實(shí)上可能是淀粉有質(zhì)量問(wèn)題，玉米淀粉和水的比例問(wèn)題。一般淀粉是要放在干凈干燥的地方，要是放在潮濕的地方就會(huì)容易發(fā)生變質(zhì)，或是吸收水分變得潮濕。玉米淀粉顆粒的破裂程度不斷增加。原因是當(dāng)?shù)矸鄣臏囟仍?0-90℃范圍內(nèi)時(shí)，隨著溫度的不斷升高，氫鍵被打破，水分子與淀粉分子的羥也會(huì)被破壞。

Then some people asked why the corn starch they bought has granules? In fact, it may be that the starch has quality problems, and the proportion of corn starch to water. Generally, starch should be placed in a clean and dry place. If it is placed in a wet place, it will easily deteriorate, or absorb water and become wet. The breaking degree of corn starch granules is increasing. The reason is that when the temperature of starch is in the range of 70-90 ℃, the hydrogen bond will be broken and the hydroxyl of water molecules and starch molecules will also be broken with the increasing temperature.

此外氣旋粉碎后，幾種玉米粉顆粒物形狀均顯著減少，樣子越來(lái)越無(wú)規(guī)律，顆粒物表層不光滑且發(fā)生邊角和裂痕;在其中微優(yōu)化果蠟玉米粉顆粒物比較大，顆粒物形狀比較規(guī)范且表層粗糙程度較低，乳頭狀凸起掉下來(lái)，一部分顆粒物被損壞而外露臍點(diǎn);微優(yōu)化一般玉米粉顆粒物形狀相對(duì)性勻稱，微優(yōu)化高網(wǎng)盤(pán)直鏈玉米粉一部分顆粒物被毀壞外露輪紋構(gòu)造。表明氣旋粉碎功效使玉米粉顆粒物形狀發(fā)生變化。

In addition, after cyclone crushing, the shape of several corn flour particles decreased significantly, the appearance became more and more irregular, and the surface of particles was not smooth, and corners and cracks occurred; In the micro optimized fruit wax corn flour, the particles are relatively large, the particle shape is relatively standard, the surface roughness is low, the papillary bulge falls off, and some particles are damaged and exposed to the umbilicus; In general, the shape of corn flour particles in micro optimization is relatively symmetrical, and a part of the particles in micro optimization high mesh plate straight chain corn flour are destroyed and exposed in the wheel structure. It shows that the shape of corn flour particles changes due to the cyclonic crushing effect.

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