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Feed with threonine mother liquor as raw material and preparation method of feed

A technology of threonine mother liquor and feed, which is applied in the field of reuse of threonine mother liquor, can solve the problems of high material viscosity and inability to industrialize large-scale continuous production, and achieve the effect of good fluidity and simple method

Pending Publication Date: 2020-10-13
MEIHUA BIOTECH LANGFANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the technical problem to be solved by the present invention is to provide feed and its preparation method using threonine mother liquor as raw material, which successfully solves the problem that the threonine mother liquor cannot be industrialized due to the high viscosity of the material in the process of concentrating and drying. serial production problem

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  • Feed with threonine mother liquor as raw material and preparation method of feed
  • Feed with threonine mother liquor as raw material and preparation method of feed
  • Feed with threonine mother liquor as raw material and preparation method of feed

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preparation example Construction

[0035] Specifically, the preparation method of the feed of the present invention comprises the following steps:

[0036] (1) Concentration: The threonine fermentation broth is filtered through a ceramic membrane to remove bacteria and threonine crystallization, and the mother liquor is evaporated and concentrated by using a three-effect evaporator. Due to the high sugar content of the threonine mother liquor leads to high viscosity, the setting conditions of the three-effect evaporator are: 70-90°C for the first effect, 60-70°C for the second effect, and 50-60°C for the third effect. The dry water content of the concentrated threonine mother liquor is controlled between 50% and 70%.

[0037] (2) Ingredients: corn cob powder, rice husk powder, peanut shell powder, straw powder, starch, maltodextrin, calcium carbonate, silicon dioxide, calcium oxide, calcium hydroxide, sodium hydroxide, magnesium hydroxide One or more (ingredients need to be less than 20 mesh) and the concentra...

Embodiment 1

[0041] The method for producing energy protein feed by utilizing the threonine mother liquor comprises the following steps: (1) evaporating and concentrating the threonine mother liquor through a three-effect evaporator, and the specific parameters are that the first-effect evaporation temperature is controlled at 82° C., and the second-effect evaporation temperature is controlled at 82° C. 69°C, the three-effect evaporation temperature is controlled at 58°C, concentrated until the dry water content of the threonine mother liquor is 57.2%; (2) Mix the silica and the concentrated threonine mother liquor at a mass volume ratio of 12:100 evenly , and continue to stir to make a suspension; (3) send the prepared feed liquid to the nozzle of the spray dryer at a rate of 1L / h through a peristaltic pump, and maintain the nozzle air pressure at 0.4MPa, 40m 3 / h inlet air temperature, 130°C inlet air temperature, 85°C outlet air temperature, the dried powder is recovered by cyclone. Dur...

Embodiment 2

[0045] The method for producing energy protein feed by utilizing the threonine mother liquor comprises the following steps: (1) evaporating and concentrating the threonine mother liquor through a three-effect evaporator, and the specific parameters are that the first-effect evaporation temperature is controlled at 80° C., and the second-effect evaporation temperature is controlled at 80° C. 69°C, the three-effect evaporation temperature is controlled at 60°C, concentrated until the dry water content of the threonine mother liquor is 58.8%; (2) mix the starch and the concentrated threonine mother liquor at a mass volume ratio of 20:100, and Continue to stir to make a suspension; (3) Send the prepared feed liquid to the nozzle of the spray dryer at a rate of 1L / h through a peristaltic pump, and maintain the nozzle air pressure at 0.4MPa, 35m 3 / h inlet air temperature, 110°C inlet air temperature, 65°C outlet air temperature, the dried powder is recovered by cyclone. During the ...

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Abstract

The invention relates to the technical field of reutilization of threonine mother liquor, in particular to feed with the threonine mother liquor as a raw material and a preparation method of the feed.The threonine mother liquor produced by a fermentation method is used as the raw material, a multi-effect evaporator is used for evaporating and concentrating the threonine mother liquor, then concentrated mother liquor is mixed with auxiliary materials according to different proportions, and a mixture is processed by spray-drying or slurry-spraying granulation equipment to obtain the feed; and the obtained feed has the moisture content of less than 5%, good product flowability and no caking. The method solves the problem that the threonine mother liquor cannot be granulated due to too high viscosity in the prior art, avoids the problem of waste or pollution caused by discarding or burning the threonine mother liquor, is simple, and can meet the requirements of industrial mass production.

Description

technical field [0001] The invention relates to the technical field of reusing threonine mother liquor, in particular to a feed using threonine mother liquor as a raw material and a preparation method thereof. Background technique [0002] L-Threonine (L-Threonine), also known as L-hydroxybutyric acid, L-Heteroerythra amino acid, the chemical name is L-α-amino-β-hydroxybutyric acid or L-2-amino-3- Hydroxybutyric acid, formula C 4 h 9 NO 3 , relative molecular weight 119.12, white orthorhombic crystal, odorless, slightly sweet taste. Threonine has multiple functions such as water retention, cell membrane protection, promotion of phospholipid synthesis, anti-fatty liver, etc. It can also be used as a nutritional enhancer to improve the nutritional value of grains, cakes and dairy products, and can relieve body fatigue like tryptophan , to promote the growth and development of animals. Because the level of threonine in the corn-soybean meal diet widely used in the animal h...

Claims

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Application Information

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IPC IPC(8): A23K20/142A23K10/37A23K20/163A23K20/24A23K40/00A23K40/10
CPCA23K20/142A23K10/37A23K20/163A23K20/24A23K20/30A23K40/10A23K40/00Y02P60/87
Inventor 孙开济胡炎华李岩龚华
Owner MEIHUA BIOTECH LANGFANG CO LTD
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