CN111066959A - Method for producing high-quality nucleotide residues by taking corn germ meal as carrier - Google Patents
Method for producing high-quality nucleotide residues by taking corn germ meal as carrier Download PDFInfo
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- CN111066959A CN111066959A CN201811229544.XA CN201811229544A CN111066959A CN 111066959 A CN111066959 A CN 111066959A CN 201811229544 A CN201811229544 A CN 201811229544A CN 111066959 A CN111066959 A CN 111066959A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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Abstract
The invention discloses a method for producing high-quality nucleotide residues by taking corn germ meal as a carrier, which comprises the following steps of firstly, checking and accepting raw materials and warehousing; step two, proportioning raw materials; step three, mixing and stirring the raw materials; step four, drying the raw materials; step five, cooling the semi-finished product; step six, crushing the semi-finished product; step seven, sampling and testing finished products; selecting corn germ meal and threonine mother liquor as raw materials, removing impurities from the corn germ meal through a cylindrical cleaning sieve, and proportioning the raw materials according to the proportion of 100 parts by weight of the corn germ meal and 300 parts by weight of threonine mother liquor 200-; spraying the threonine mother liquor into a horizontal double-shaft mixer through spraying equipment to be mixed with the mixture until the threonine mother liquor is uniformly mixed; the method sprays threonine mother liquor on a corn germ meal carrier, and then produces high-quality nucleotide residues through drying, so that the crude protein content of the high-quality nucleotide residues is improved, the content of limited essential amino acid threonine is increased, and the cost of compound feed is reduced.
Description
Technical Field
The invention relates to the technical field of feeds, in particular to a method for producing high-quality nucleotide residues by taking corn germ meal as a carrier.
Background
1. The corn germ meal is a byproduct obtained by soaking, crushing and separating corns during the production of corn starch and extracting oil through squeezing or leaching, and contains 18-20% of crude protein, 1-2% of crude fat and 11-12% of crude fiber, so that most of the corn germ meal belongs to middle-grade energy feeds, and in addition, in terms of protein quality, the protein quality of the corn germ meal is higher than that of grain energy feeds, but the content of various restrictive essential amino acids is lower than that of corn protein powder, cotton and rapeseed cakes.
2. So far, the utilization of corn germ meal is that corn germ protein is extracted from corn germ meal to be used as a food additive in the food processing industry, and the corn germ protein is directly added into animal daily ration to produce compound feed. The former has high added value of products, but the method has complex process and large energy consumption; the latter is shown to be nutritionally inadequate due to a lack of essential amino acids.
3. The nucleotide residue is a novel protein feed raw material, is an indispensable nutrient in the growth process of poultry and livestock, wherein threonine is one of twenty amino acids which form protein, is often added into the feed of immature piglets and poultry, is one of limiting essential amino acids required by pigs and poultry, and can replace exogenous threonine when being used in batch. Meanwhile, compared with other feed raw materials, the cost of the compound feed produced by the nucleotide residues is lower.
Disclosure of Invention
The invention aims to provide a method for producing high-quality nucleotide residues by using corn germ meal as a carrier, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a method for producing high-quality nucleotide dregs by taking corn germ meal as a carrier comprises the steps of firstly, checking and accepting raw materials and warehousing; step two, proportioning raw materials; step three, mixing and stirring the raw materials; step four, drying the raw materials; step five, cooling the semi-finished product; step six, crushing the semi-finished product; step seven, sampling and testing finished products;
selecting corn germ meal and threonine mother liquor as raw materials in the first step, removing impurities from the corn germ meal through a cylindrical cleaning sieve after a sampling sample is qualified through sensory identification and assay, and putting the corn germ meal and the threonine mother liquor into a warehouse for drying and ventilating;
in the second step, the raw materials in the first step are mixed according to the proportion of 100 parts by weight of the maize germ meal and 300 parts by weight of the threonine mother liquor;
in the third step, after the two raw materials are weighed according to the ratio by a weighing scale, the threonine mother liquor is sprayed into a horizontal double-shaft mixer through spraying equipment to be mixed with the mixture until the threonine mother liquor is uniformly mixed;
wherein in the fourth step, the raw material mixture uniformly mixed in the third step is added into fluidized bed drying equipment through a rotary feeder, the drying temperature is set to be 120-;
wherein in the fifth step, the cooling of the finished product comprises the following steps:
1) putting the mixture into an air inlet type and countercurrent cooling machine to adjust the cooling time and the air speed for primary cooling;
2) then adjusting the cooling time, water quantity and water temperature by a counter-flow water type cooler to carry out secondary cooling;
in the sixth step, the raw material obtained in the fifth step is crushed by a crusher according to specific conditions;
wherein in the seventh step, the sampling assay of the finished product comprises the following steps:
1) putting the feed obtained in the sixth step into a finished product bin;
2) sampling by a quality inspector for sensory evaluation, searching the reason of the unqualified product and carrying out corresponding treatment;
3) further extracting samples of the products qualified by sensory identification and testing in a laboratory;
4) packing, storing and selling qualified persons.
According to the technical scheme, in the first step, the threonine mother liquor is independently stored in a liquid storage tank and is stirred by an electric stirring rod all the time.
According to the technical scheme, in the third step, the mixing time is 90-120s until the assay variation coefficient of the sample to be inspected reaches 0-10%.
According to the technical scheme, in the fourth step, if the raw material does not meet the safe moisture requirement, namely the moisture is higher than 13%, the raw material is dried by a roller dryer with large drying area and high temperature and containing umbrella opening equipment, wherein the drying temperature is 500 ℃ and 800 ℃, and the drying time is 1-15 s.
According to the technical scheme, in the fifth step, the moisture of the cooled raw material is 5% -12.5%, and the requirement of safe moisture is met.
According to the technical scheme, in the sixth step, the crusher adopts a hammer mill.
Compared with the prior art, the invention has the following beneficial effects: the method for producing high-quality nucleotide residues by taking the maize germ meal as a carrier comprises the steps of spraying threonine mother liquor onto the maize germ meal carrier, and drying to produce high-quality nucleotide residues, so that the crude protein content of the high-quality nucleotide residues is improved, the content of limited essential amino acid threonine is increased, and the cost of compound feed is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
example 1:
a method for producing high-quality nucleotide dregs by taking corn germ meal as a carrier comprises the steps of firstly, checking and accepting raw materials and warehousing; step two, proportioning raw materials; step three, mixing and stirring the raw materials; step four, drying the raw materials; step five, cooling the semi-finished product; step six, crushing the semi-finished product; step seven, sampling and testing finished products;
selecting corn germ meal and threonine mother liquor as raw materials in the first step, warehousing and storing the sample subjected to sensory identification and qualified assay in a cool, dry and ventilated place, removing impurities from the corn germ meal through a cylindrical cleaning sieve, and independently storing the threonine mother liquor in a liquid storage tank and stirring the threonine mother liquor by using an electric stirring rod all the time;
in the second step, the raw materials in the first step are mixed according to the proportion of 100 parts by weight of corn germ meal and 230 parts by weight of threonine mother liquor;
in the third step, after the two raw materials are weighed according to the mixture ratio by a weighing scale, the threonine mother liquor is sprayed into a horizontal double-shaft mixer through spraying equipment to be mixed with the mixture for 90-120s until the assay variation coefficient of a sample reaches 0-10% and the sample is uniformly mixed;
wherein in the fourth step, the raw material mixture uniformly mixed in the third step is added into fluidized bed drying equipment through a rotary feeder, the drying temperature is set to be 120-;
wherein in the fifth step, the cooling of the finished product comprises the following steps:
1) putting the mixture into an air inlet type and countercurrent cooling machine to adjust the cooling time and the air speed for primary cooling;
2) adjusting the cooling time, water quantity and water temperature by a counter-flow water type cooler to carry out secondary cooling, wherein the moisture of the raw material is 5-12.5% after cooling, and the safety moisture requirement is met;
in the sixth step, the raw material obtained in the fifth step is crushed by a hammer mill according to specific conditions;
wherein in the seventh step, the sampling assay of the finished product comprises the following steps:
1) putting the feed obtained in the sixth step into a finished product bin;
2) sampling by a quality inspector for sensory evaluation, searching the reason of the unqualified product and carrying out corresponding treatment;
3) further extracting samples of the products qualified by sensory identification and testing in a laboratory;
4) packing, storing and selling qualified persons.
Example 2: replacing the corn germ meal with rice bran meal;
a method for producing high-quality nucleotide residues by taking rice bran meal as a carrier comprises the steps of firstly, checking and accepting raw materials and warehousing; step two, proportioning raw materials; step three, mixing and stirring the raw materials; step four, drying the raw materials; step five, cooling the semi-finished product; step six, crushing the semi-finished product; step seven, sampling and testing finished products;
selecting rice bran meal and threonine mother liquor as raw materials in the first step, warehousing and storing the sample after passing sensory identification and assay in a cool, dry and ventilated place, removing impurities from the rice bran meal through a cylindrical cleaning sieve, and independently storing the threonine mother liquor in a liquid storage tank and stirring the threonine mother liquor by using an electric stirring rod all the time;
in the second step, the raw materials in the first step are mixed according to the proportion of 100 parts by weight of rice bran meal and 230 parts by weight of threonine mother liquor;
in the third step, after the two raw materials are weighed according to the mixture ratio by a weighing scale, the threonine mother liquor is sprayed into a horizontal double-shaft mixer through spraying equipment to be mixed with the mixture for 90-120s until the assay variation coefficient of a sample reaches 0-10% and the sample is uniformly mixed;
wherein in the fourth step, the raw material mixture uniformly mixed in the third step is added into fluidized bed drying equipment through a rotary feeder, the drying temperature is set to be 120-;
wherein in the fifth step, the cooling of the finished product comprises the following steps:
1) putting the mixture into an air inlet type and countercurrent cooling machine to adjust the cooling time and the air speed for primary cooling;
2) adjusting the cooling time, water quantity and water temperature by a counter-flow water type cooler to carry out secondary cooling, wherein the moisture of the raw material is 5-12.5% after cooling, and the safety moisture requirement is met;
in the sixth step, the raw material obtained in the fifth step is crushed by a hammer mill according to specific conditions;
wherein in the seventh step, the sampling assay of the finished product comprises the following steps:
1) putting the feed obtained in the sixth step into a finished product bin;
2) sampling by a quality inspector for sensory evaluation, searching the reason of the unqualified product and carrying out corresponding treatment;
3) further extracting samples of the products qualified by sensory identification and testing in a laboratory;
4) packing, storing and selling qualified persons.
Example 3: replacing the corn germ meal with brewer's grains;
a method for producing high-quality nucleotide residues by taking brewer's grains as a carrier comprises the steps of firstly, checking and accepting raw materials and warehousing; step two, proportioning raw materials; step three, mixing and stirring the raw materials; step four, drying the raw materials; step five, cooling the semi-finished product; step six, crushing the semi-finished product; step seven, sampling and testing finished products;
selecting beer lees and threonine mother liquor as raw materials in the first step, warehousing and storing in a cool, dry and ventilated place after a sample is subjected to sensory identification and qualified assay, removing impurities from the beer lees through a cylindrical cleaning sieve, and independently storing the threonine mother liquor in a liquid storage tank and stirring by using an electric stirring rod all the time;
in the second step, the raw materials in the first step are mixed according to the proportion of 100 parts by weight of brewer's grains and 230 parts by weight of threonine mother liquor;
in the third step, after the two raw materials are weighed according to the mixture ratio by a weighing scale, the threonine mother liquor is sprayed into a horizontal double-shaft mixer through spraying equipment to be mixed with the mixture for 90-120s until the assay variation coefficient of a sample reaches 0-10% and the sample is uniformly mixed;
wherein in the fourth step, the raw material mixture uniformly mixed in the third step is added into fluidized bed drying equipment through a rotary feeder, the drying temperature is set to be 120-;
wherein in the fifth step, the cooling of the finished product comprises the following steps:
1) putting the mixture into an air inlet type and countercurrent cooling machine to adjust the cooling time and the air speed for primary cooling;
2) adjusting the cooling time, water quantity and water temperature by a counter-flow water type cooler to carry out secondary cooling, wherein the moisture of the raw material is 5-12.5% after cooling, and the safety moisture requirement is met;
in the sixth step, the raw material obtained in the fifth step is crushed by a hammer mill according to specific conditions;
wherein in the seventh step, the sampling assay of the finished product comprises the following steps:
1) putting the feed obtained in the sixth step into a finished product bin;
2) sampling by a quality inspector for sensory evaluation, searching the reason of the unqualified product and carrying out corresponding treatment;
3) further extracting samples of the products qualified by sensory identification and testing in a laboratory;
4) packing, storing and selling qualified persons.
The high-quality nucleotide residue components obtained from the raw materials of the above examples are shown in the following table:
| example 1 | Example 2 | Example 3 | |
| Dry matter (%) | 92.51 | Changed to 92.63 | 92.32 |
| Crude protein (%) | 37.86 | 34.36 | 36.28 |
| Crude fat (%) | 2.13 | 1.79 | 2.10 |
| Coarse ash (%) | 6.02 | 5.93 | 5.86 |
| Neutral detergent fiber (%) | 40.03 | 39.25 | 38.95 |
| Acid detergent fiber (%) | 12.46 | 13.36 | 12.86 |
| Threonine (%) | 10.80 | 9.25 | 10.02 |
| Price per ton of feed (Yuan) | 1450-1550 | 1500-1650 | 1500-1650 |
As can be seen from the above table, the high-quality nucleotide dregs produced by using the maize germ meal as the carrier have higher components than the rice bran meal and the brewer's grain and have lower cost.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A method for producing high-quality nucleotide dregs by taking corn germ meal as a carrier comprises the steps of firstly, checking and accepting raw materials and warehousing; step two, proportioning raw materials; step three, mixing and stirring the raw materials; step four, drying the raw materials; step five, cooling the semi-finished product; step six, crushing the semi-finished product; step seven, sampling and testing finished products; the method is characterized in that:
selecting corn germ meal and threonine mother liquor as raw materials in the first step, warehousing a sample to be inspected after passing sensory identification and assay, storing the sample in a cool, dry and ventilated place, and removing impurities from the corn germ meal through a cylindrical cleaning sieve;
in the second step, the raw materials in the first step are mixed according to the proportion of 100 parts by weight of the maize germ meal and 300 parts by weight of the threonine mother liquor;
in the third step, after the two raw materials are weighed according to the ratio by a weighing scale, the threonine mother liquor is sprayed into a horizontal double-shaft mixer through spraying equipment to be mixed with the mixture until the threonine mother liquor is uniformly mixed;
wherein in the fourth step, the raw material mixture uniformly mixed in the third step is added into fluidized bed drying equipment through a rotary feeder, the drying temperature is set to be 120-;
wherein in the fifth step, the cooling of the finished product comprises the following steps:
1) putting the mixture into an air inlet type and countercurrent cooling machine to adjust the cooling time and the air speed for primary cooling;
2) then adjusting the cooling time, water quantity and water temperature by a counter-flow water type cooler to carry out secondary cooling;
in the sixth step, the raw material obtained in the fifth step is crushed by a crusher according to specific conditions;
wherein in the seventh step, the sampling assay of the finished product comprises the following steps:
1) putting the feed obtained in the sixth step into a finished product bin;
2) sampling by a quality inspector for sensory evaluation, searching the reason of the unqualified product and carrying out corresponding treatment;
3) further extracting samples of the products qualified by sensory identification and testing in a laboratory;
4) packing, storing and selling qualified persons.
2. The method for producing high-quality nucleotide residues by taking corn germ meal as a carrier according to claim 1, which is characterized in that: in the first step, the threonine mother liquor is independently stored in a liquid storage tank and is stirred by an electric stirring rod all the time.
3. The method for producing high-quality nucleotide residues by taking corn germ meal as a carrier according to claim 1, which is characterized in that: in the third step, the mixing time is 90-120s until the assay variation coefficient of the sampling sample reaches 0-10%.
4. The method for producing high-quality nucleotide residues by taking corn germ meal as a carrier according to claim 1, which is characterized in that: in the fourth step, if the raw material does not meet the requirement of safe moisture, namely the moisture is higher than 13%, drying is carried out by a roller dryer with large drying area, high temperature and umbrella opening equipment, wherein the drying temperature is 500-.
5. The method for producing high-quality nucleotide residues by taking corn germ meal as a carrier according to claim 1, which is characterized in that: in the fifth step, the moisture of the cooled raw material is 5-12.5%, and the requirement of safe moisture is met.
6. The method for producing high-quality nucleotide residues by taking corn germ meal as a carrier according to claim 1, which is characterized in that: in the sixth step, the crusher adopts a hammer mill.
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| CN201811229544.XA CN111066959A (en) | 2018-10-22 | 2018-10-22 | Method for producing high-quality nucleotide residues by taking corn germ meal as carrier |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6238728B1 (en) * | 1999-05-28 | 2001-05-29 | Ajinomoto Co., Inc. | Mixed feed with an amino acid |
| CN101406250A (en) * | 2008-10-17 | 2009-04-15 | 湖北新生源生物工程股份有限公司 | Method of preparing composite aminoacid feedstuff additive |
| CN102578385A (en) * | 2011-12-30 | 2012-07-18 | 通辽梅花生物科技有限公司 | Preparation method of feed with low content of L-threonine |
| CN104222704A (en) * | 2014-10-16 | 2014-12-24 | 内蒙古阜丰生物科技有限公司 | Feed prepared by threonine fermentation waste and preparation method thereof |
| CN104351465A (en) * | 2014-10-21 | 2015-02-18 | 呼伦贝尔东北阜丰生物科技有限公司 | Utilization method of threonine mycoprotein |
| CN104844468A (en) * | 2015-04-12 | 2015-08-19 | 呼伦贝尔东北阜丰生物科技有限公司 | Environment-friendly technology for treating threonine fermentation mother liquid |
-
2018
- 2018-10-22 CN CN201811229544.XA patent/CN111066959A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6238728B1 (en) * | 1999-05-28 | 2001-05-29 | Ajinomoto Co., Inc. | Mixed feed with an amino acid |
| CN101406250A (en) * | 2008-10-17 | 2009-04-15 | 湖北新生源生物工程股份有限公司 | Method of preparing composite aminoacid feedstuff additive |
| CN102578385A (en) * | 2011-12-30 | 2012-07-18 | 通辽梅花生物科技有限公司 | Preparation method of feed with low content of L-threonine |
| CN104222704A (en) * | 2014-10-16 | 2014-12-24 | 内蒙古阜丰生物科技有限公司 | Feed prepared by threonine fermentation waste and preparation method thereof |
| CN104351465A (en) * | 2014-10-21 | 2015-02-18 | 呼伦贝尔东北阜丰生物科技有限公司 | Utilization method of threonine mycoprotein |
| CN104844468A (en) * | 2015-04-12 | 2015-08-19 | 呼伦贝尔东北阜丰生物科技有限公司 | Environment-friendly technology for treating threonine fermentation mother liquid |
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