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How to increase the yield of sweet potato starch during processing

How to increase the yield of sweet potato starch during processing

Under the condition of ensuring the quality of sweet potato starch, the greater the production capacity, the higher the market value and the higher the economic benefit. So how to increase the production of sweet potato starch during processing?


In the production process of sweet potato starch, if you want to increase the output of sweet potato starch, you should pay attention to the following four points:

The water quality used to produce sweet potato starch.


The quality of sweet potato raw materials is good or bad.


Sweet potato production technology will affect yield.


The establishment of sweet potato starch processing plants requires careful consideration of water quality issues. Good water quality not only helps increase the yield of sweet potato starch, but also improves the quality of sweet potato starch. Sweet potato starch should be treated with soft water as much as possible, and usually needs to be clarified, colorless, tasteless, and tasteless. No precipitation, no pathogens, no hydrogen sulfide and other harmful substances, and the hardness is 15 degrees, which


Calcium oxide 10mg) or lower, the pH value is preferably 6.5-8.5. When the water quality is not good, it is necessary to pre-filter, disinfect, deodorize or soften the water before producing and processing sweet potato starch. Only in this way can the production of sweet potato starch be increased.


High-quality sweet potato raw materials.


Varieties of sweet potato raw materials: Different varieties of sweet potato raw materials contain different levels of starch content. The starch content of high starch special varieties of sweet potatoes is usually 22%-26%, and the starch content of edible starch varieties is 18%-22%. The starch content of edible and feed sweet potatoes is only 10%-20%. Therefore, the use of sweet potato raw materials with high starch content can greatly improve sweet potato starch during processing.


The output.


Stacking time of sweet potato raw materials: Sweet potato raw materials have the highest starch content at harvest. However, as the stacking time of sweet potato raw materials increases, the greater the ratio of sweet potato starch to sugar, the lower the extraction rate of sweet potato starch. In order to increase the yield of sweet potato starch, sweet potato raw materials should be processed into sweet potato starch as soon as possible.

sweet-potato-starch-during-processing-machine-plant

sweet potato starch processing machine

The quality of sweet potato raw materials: In the fresh sweet potato raw materials, impurities or too much damage to some sweet potato raw materials will also affect the production of sweet potato starch. Before the production and processing of sweet potato starch, high-quality sweet potato raw materials should be selected to effectively increase the production of sweet potato starch during processing.

Sweet potato production technology.


The degree of crushing of sweet potato raw materials: Because there are sweet potato starch granules in the sweet potato tuber cells, it is necessary to crush the sweet potato tubers to release the sweet potato starch granules. If the sweet potato raw materials are ground too coarsely, the free rate of sweet potato starch particles in the sweet potato tubers will be reduced, which will affect the production of sweet potato starch; if the sweet potato raw materials are ground too finely, the instantaneous temperature of the sweet potato raw materials will increase


, Resulting in sweet potato starch easy to gelatinize, thereby affecting the separation effect. Therefore, choosing appropriate sweet potato grinding equipment can effectively increase the yield of sweet potato starch.


The degree of clogging of the centrifugal sieve: the degree of clogging of the centrifugal sieve also has a great impact on the production of sweet potato starch. In the production process of sweet potato starch, the protein and pectin in the sweet potato starch slurry will absorb water, and the gel formed can easily block the screen of the centrifugal screen. In severe cases, more than 60% of the mesh will be blocked, which will affect the separation of starch. When the blockage is small,


The amount of starch extracted is reduced by 5% to -5%, and when the blockage is severe, the amount of starch extracted is reduced by more than 40%. Therefore, the filter should be cleaned or replaced regularly. Therefore, it will increase the production of sweet potato starch.

The water quality used for the production of sweet potato starch.


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