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The experiment was conducted to determine whether corn steep liquor powder could be used to replace corn steep liquor

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  • Time of issue:2021-02-22
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(Summary description)

The experiment was conducted to determine whether corn steep liquor powder could be used to replace corn steep liquor

(Summary description)

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2021-02-2250
  • Views:
Information

Corn steep liquor is rich in vitamins, amino acids, inorganic salts and nucleic acids. In the production of glutamic acid, corn steep liquor can not only provide the biotin for fermentation, but also provide some other sources of components. For example, the organic nitrogen source for glutamic acid fermentation comes from corn steep liquor.

 

At present, the corn pulp used in production is yellowish brown thick pulp with special smell. Because it contains a lot of water, it takes up a large space in transportation and storage, and is also very inconvenient in handling. At the same time, after standing for a period of time, the corn pulp is easy to precipitate, so it must be fully stirred before use, which is very inconvenient. If the fermentation medium is pure biotin, it is difficult to control the fermentation process. However, these problems can be overcome by processing corn steep liquor into corn steep liquor powder. Therefore, we tested the feasibility of using corn steep liquor powder instead of liquid corn steep liquor to ferment glutamic acid.

 

The experimental results showed that corn steep liquor powder can completely replace liquid corn steep liquor, and can be fully used in the medium of glutamic acid production. It had no effect on the growth, accumulation and synthesis of glutamic acid. Moreover, the moisture content of corn steep liquor powder is less, so it is more convenient to transport and store than liquid corn steep liquor. The use of corn steep powder ingredients, labor intensity is smaller, more easy to operate. Although corn steep liquor powder is easy to absorb moisture and caking, it is still easy to dissolve in water after caking. Therefore, the agglomerated corn steep liquor dry powder will not affect the operation of batching.

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