CN102948609B - Method for preparing modified amino acid chelated iron feed additive - Google Patents
Method for preparing modified amino acid chelated iron feed additive Download PDFInfo
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- CN102948609B CN102948609B CN 201210391260 CN201210391260A CN102948609B CN 102948609 B CN102948609 B CN 102948609B CN 201210391260 CN201210391260 CN 201210391260 CN 201210391260 A CN201210391260 A CN 201210391260A CN 102948609 B CN102948609 B CN 102948609B
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- amino acid
- chelated iron
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- ferrous sulfate
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 150000001413 amino acids Chemical class 0.000 title claims abstract description 37
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title abstract description 12
- 239000003674 animal food additive Substances 0.000 title abstract 3
- 239000000843 powder Substances 0.000 claims abstract description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 12
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 11
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 11
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 11
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 11
- 210000003746 feather Anatomy 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 241000219000 Populus Species 0.000 claims abstract description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 8
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 8
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 8
- 239000000052 vinegar Substances 0.000 claims abstract description 8
- 235000021419 vinegar Nutrition 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 5
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- 238000002360 preparation method Methods 0.000 claims description 8
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- 230000007062 hydrolysis Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- TZBAVQKIEKDGFH-UHFFFAOYSA-N n-[2-(diethylamino)ethyl]-1-benzothiophene-2-carboxamide;hydrochloride Chemical compound [Cl-].C1=CC=C2SC(C(=O)NCC[NH+](CC)CC)=CC2=C1 TZBAVQKIEKDGFH-UHFFFAOYSA-N 0.000 claims description 5
- 239000012141 concentrate Substances 0.000 claims description 4
- 108091005804 Peptidases Proteins 0.000 claims description 3
- 239000004365 Protease Substances 0.000 claims description 3
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 241001465754 Metazoa Species 0.000 abstract description 19
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 6
- 239000000654 additive Substances 0.000 abstract description 5
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- 230000009286 beneficial effect Effects 0.000 abstract 2
- 238000001727 in vivo Methods 0.000 abstract 1
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- 229940057838 polyethylene glycol 4000 Drugs 0.000 abstract 1
- 235000001014 amino acid Nutrition 0.000 description 30
- 238000012360 testing method Methods 0.000 description 23
- 241000282898 Sus scrofa Species 0.000 description 19
- 239000011573 trace mineral Substances 0.000 description 8
- 235000013619 trace mineral Nutrition 0.000 description 8
- 230000009102 absorption Effects 0.000 description 6
- 230000037396 body weight Effects 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 235000016709 nutrition Nutrition 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 210000002784 stomach Anatomy 0.000 description 5
- 206010012735 Diarrhoea Diseases 0.000 description 4
- 239000013522 chelant Substances 0.000 description 4
- 210000000936 intestine Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- RAXXELZNTBOGNW-UHFFFAOYSA-N 1H-imidazole Chemical compound C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 210000003608 fece Anatomy 0.000 description 3
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- 230000035764 nutrition Effects 0.000 description 3
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- 235000019733 Fish meal Nutrition 0.000 description 2
- 244000046052 Phaseolus vulgaris Species 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 2
- 241000282887 Suidae Species 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 230000008485 antagonism Effects 0.000 description 2
- 235000014590 basal diet Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000009920 chelation Effects 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 235000005911 diet Nutrition 0.000 description 2
- 230000037213 diet Effects 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000002158 endotoxin Substances 0.000 description 2
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- 230000001976 improved effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
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- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
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- 238000005406 washing Methods 0.000 description 2
- 235000015099 wheat brans Nutrition 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 206010059410 Faecaluria Diseases 0.000 description 1
- 239000004472 Lysine Substances 0.000 description 1
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 1
- YNPNZTXNASCQKK-UHFFFAOYSA-N Phenanthrene Natural products C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 102000004245 Proteasome Endopeptidase Complex Human genes 0.000 description 1
- 108090000708 Proteasome Endopeptidase Complex Proteins 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 210000000436 anus Anatomy 0.000 description 1
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- 235000019789 appetite Nutrition 0.000 description 1
- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- -1 copper amino acid Chemical class 0.000 description 1
- 235000019784 crude fat Nutrition 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000019700 dicalcium phosphate Nutrition 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 239000000835 fiber Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
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- 235000012907 honey Nutrition 0.000 description 1
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- 230000036039 immunity Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 235000018977 lysine Nutrition 0.000 description 1
- 229960003511 macrogol Drugs 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- 150000002894 organic compounds Chemical class 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000008855 peristalsis Effects 0.000 description 1
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000017854 proteolysis Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 230000001228 trophic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- UOXSXMSTSYWNMH-UHFFFAOYSA-L zinc;2-aminoacetate Chemical compound [Zn+2].NCC([O-])=O.NCC([O-])=O UOXSXMSTSYWNMH-UHFFFAOYSA-L 0.000 description 1
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- Fodder In General (AREA)
Abstract
The invention discloses a method for preparing a modified amino acid chelated iron feed additive. The method comprises the following steps of: performing hydrolysis reaction on feather powder for 1 to 2 hours at the temperature between 100 and 105 DEG C by adopting an acid enzymolysis method and using 20 to 35 percent sulfuric acid to fully dissolve the feather powder; cooling, adding ferrous sulfate, adding a sodium hydroxide solution for neutralizing, regulating the pH value to be 6.0-6.5, and reacting for 5 to 6 hours at the temperature between 100 and 105 DEG C; and cooling to the temperature of 45 DEG C after reaction, adding a proper quantity of bio-enzyme, reacting for 10 to 12 hours, adding vinegar, montmorillonite powder, polyethylene glycol 4000 and poplar bark powder into the reaction solution, concentrating, drying, and thus obtaining the modified amino acid chelated iron feed additive. By the method, amino acid is small in molecular weight, strong in bonding with the ferrous sulfate and beneficial to absorption of animals and improves the effect. The prepared additive is high in stability. The additive can meet the growth requirement of animals, maintain and regulate the beneficial in-vivo environment for growth of the animals, promote the growth and prevent and reduce diseases.
Description
Technical field
The present invention relates to a kind of feed addictive, relate in particular to a kind of preparation method of modified amino acid chelated iron feed addictive, belong to the additive technology field.
Background technology
Trace element is one of necessary nutrient of animal body, participates in the nearly all physiology and chemistry function of body directly, and vital movement is played an important role, and is listed in the Animal nutrition five elements in feed industry.The addition manner of trace element in feed, become recently research emphasis during the last ten years.Antagonism between inorganic salts, organic compound trace element is obvious, destroys the nutritional labeling of vitamin, thereby assimilation effect is greatly reduced.The biological nutrition scholar of Univ Utah USA works out the reaction between various mineral matters, has proved the ion competition effect of various mineral matters.
Trace element, by after chelating amino acids, has generated the moderate chelate of stability constant, has suppressed influencing each other between mineral matter.Metal ion, under the amino acid whose protection of coordination, can be resisted the inorganic salts that other foreign ion generates indissoluble effectively.According to the research of U.S. scientific research department, the absorption of trace elements rate after chelating amino acids is 2-6 times of inorganic salts, than inorganic salt microelement have more greatly, more superior generally absorption and digestion and metabolism effect.
The absorption of trace element is absorption place or carry out chelating with aminoacid protein before digestion in intestines.Naturally limited in one's ability due to body chelating mineral matter, the free metal ion be not chelated can not be absorbed, by amino acid and trace element chelated, overcome the shortcoming of first and second product in generation, have opposing and disturb, alleviate the effect of antagonism competition between mineral matter, good biochemistry stability is arranged, under the body environment, dissolubility is good, easily by animal body, digested and assimilated, biological value is high.
Traditional proteolysis is produced amino-acid chelating salt, and three kinds of methods are arranged: enzymatic isolation method, acid hydrolyzation and acid, alkali hydrolysis method, and the traditional handicraft enzymatic isolation method is long reaction time, and amino acid concentration is low, and the product chelation percent of acid hydrolyzation is low, poor stability.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of modified amino acid chelated iron feed addictive, adopt the continuous chelating process of the asynchronous hydrolysis secondary of sour enzyme, feather meal is carried out to continuous acidolysis, proteasome degradation, amino acid chelated iron is produced in comprehensive utilization, then add vinegar, montmorillonite powder, Macrogol 4000 and poplar bark powder, concentrate drying, obtain modified amino acid chelated iron feed addictive.This additive formulations is reasonable, can meet the growth of animal needs, can safeguard and regulate the favourable vivo environment of growth of animal, and promote growth, prevention reduces disease, and easily produces.
The present invention adopts following technical scheme to achieve these goals:
A kind of preparation method of modified amino acid chelated iron feed addictive comprises following preparation process: first by plumage
The sulfuric acid of Mao Fenyong 20-35%, at 100～105 ℃ of lower hydrolysis 1-2 hour, dissolves feather meal fully, and solid-to-liquid ratio is 1:1-2; Add ferrous sulfate after cooling, the ferrous sulfate added and the weight ratio of feather meal are 1:5-6; Add the sodium hydroxide solution neutralization, regulating the pH value is 6.0～6.5 again, reaction 5-6 hour under 100-105 ℃; Be cooled to 45 ℃ after reaction, add the appropriate biology enzyme of people, then reacted 10-12 hour, obtain amino acid iron chelated iron; Add vinegar, montmorillonite powder, Macrogol 4000 and poplar bark powder again in reactant liquor, last concentrate drying, obtain modified amino acid chelated iron feed addictive; The part by weight of described ferrous sulfate and vinegar, montmorillonite powder, Macrogol 4000, poplar bark powder is 1:5-8:1-2:2-3:1-2.
Described pH value is 6.0.
Described biology enzyme is protease.
Advantage of the present invention:
Acid-enzyme hydrolysis method of the present invention is shorter reaction time, and the product chelation percent is low, good stability.Overcome the shortcoming of original acid system, the existence of Production by Enzymes amino-acid chelate, acid system is produced amino-acid chelate and is existed the amino acid molecular amount large, be combined not by force with ferrous sulfate, still exist animal not need to assimilate problem, Production by Enzymes exists the amino acids production amount few, the problem that productive rate is not high, acid-enzyme hydrolysis method of the present invention combines the advantage of the two, makes the amino acid molecular amount little, with ferrous sulfate, is combined by force, be conducive to animal and absorb, improved effect.
Secondly, it itself is a kind of acidulant as adding ingredient vinegar that the present invention has increased vinegar, and energy stimulating animal appetite, increase the animal food-intake, actuates the absorption of animal to nutritional labeling, also can increase the resistance against diseases of animal;
Again, the montmorillonite intestines and stomach that can watch for animals, the absorption endotoxin, reduce the chance of zoogenetic infection disease, for intestines problem, prevention and treatment arranged;
PVOH 4000 has the effect of the intestines and stomach of adjusting, promotes that gastrointestinal peristalsis is emptying, prevents the gathering of animal endotoxin, improves the animal meat quality.
The poplar bark powder has bactericidal action, promotes the animal health effect.
Formula rationally, can meet the growth of animal needs, can safeguard and regulate the favourable vivo environment of growth of animal, and promote growth, prevention reduces disease.
The specific embodiment
Embodiment 1
1, the modified amino acid chelated iron is produced
In reaction vessel, add 20% sulfuric acid l200ml, then add feather meal 1000g, at 100～105 ℃ of hydrolysis 70min, feather meal is dissolved fully.Add the 200g ferrous sulfate after cooling, then add sodium hydroxide solution, regulating the pH value is 6.0, under 100～105 ℃, reacts 6h; Be cooled to 45 ℃ after reaction, add the appropriate protease of people, then reacted 12 hours, obtain amino acid iron chelated iron; Then add 1000g acetic acid in reactant liquor, 200g montmorillonite powder, 400g Macrogol 4000,200g poplar bark powder, finally adopt triple effect concentration technique concentrate drying, obtains modified amino acid chelated iron feed addictive.
Detection method: cough up the glyoxaline colorimetric method with adjacent phenanthrene and survey chelated iron content.
2, feeding experiment
(1) test material
Aminoacid chelating microelement additive: modified amino acid chelated iron, copper amino acid chelate, chelating amino acids manganese, zinc-amino acid chelate.
Test pig is selected and grouping: test pig selects to plant 84 of the DLY three way cross piglets (59 and 60 age in days piglet) of the body weight close (body weight 18.9 ± 0.85kg) of raising on pig farm, be divided at random test group and control group, 42 of test group (22 of sows, 20 of boars), 42 of control groups (19 of sows, 23 of boars).Two groups of piglet body weight close (significance analysis is not remarkable), each group is all established 7 repetitions, and each repeats 6.
(2) test pig house and management
The test pig house is roof double-pitch type, swinery double-row type, cement flooring, and the concrete hopper, install automatic drinking bowl, pig house door and window very well equipped, ventilation and lighting is better.Raise in advance the phase diel and feed 3 times, experimental period diel feed 4 times, in 7 points, 11 points, 15 points, 20 powders of manually throwing something and feeding.Every meal be take not surplus material as main.Pig house natural lighting on daytime, ventilation, night lights illumination, normal immunity and management.The pig house temperature controls to and is not less than 15 ℃, and humidity is controlled at 55-65%.Accomplish that environmental condition is consistent, same poultry raiser's management, free choice feeding and drinking-water as far as possible.
(3) test feed and nutrition
Test group is identical with control group piglet basal diet, is powder, and control group does not add aminoacid chelating microelement, and test group is pressed the per kilogram complete diet pellet and added 2.5g aminoacid chelating microelement, i.e. 0.25% dosage.Daily ration mixes, and the coefficient of variation is less than 8% after measured.Daily ration is configured to GB GB/T5915 piglet, grow-finish swine feed standard is reference, and it forms with nutrition in Table 1.The feedstuffs such as its corn, dregs of beans, wheat bran, imported fish meal meet GB (GB13078-2001) quality requirement after testing.
Table 1. test piglet basal diet forms and trophic level
| Raw material forms | Content/% | Nutrient | Content |
| Corn | 61.00 | Digestible energy DE | 12.35MJ·kg -1 |
| Dregs of beans | 25.00 | Dry DM | The 87.74%(actual measurement) |
| Wheat bran | 6.00 | Crude fat EE | 3.52% |
| Imported fish meal | 3.00 | Thick protein CP | 17.02% |
| Tallow | 1.00 | Crude fibre CF | 4.22% |
| Premix | 4.00 | ? | ? |
Annotate: contain stone flour, calcium monohydrogen phosphate, salt, 20% lysine, vitamin and trace element etc. in experimental period premix.
(4) experimental period
Preliminary trial period: test since prerun on March 28 in 2005,10 days preliminary trial periods, carry out the work such as prevention, inoculation, expelling parasite, prerun just enters and tries after finishing.
Just try the phase: test since on April 7th, 2005 formally, on June 1st, 2005, formal the end, went through examination 54 days.
(5) testing index and method
Body weight: weigh after 3 hours morning on April 7th, 2005 on an empty stomach in pig house; Weigh after 1 hour morning on June 1st, 2005 on an empty stomach in pig house, calculates starting weight and last heavy.The repeating groups of take while weighing is weighed as the full group of unit carries out individuality.
Feed intake: reclaiming surplus material the same day of weighing, is unit clearing feed consumption by repeating groups.Feed consumption rate=inventory-surplus material amount.When extremely washing in a pan, sick pig do not supplement dead sick pig body weight and the feed consumption rate washed in a pan of weighing record.
The dead number of washing in a pan: take repeating groups as the extremely naughty sick pig quantity of unit record.
Diarrhoea number: take repeating groups as unit record diarrhoeal diseases pig quantity.Ight soil resembles starchiness, does not become faecal pellet, and liquid dung does not separate, and qualitative is moderate diarrhoea.Ight soil resembles rare water sample, and liquid dung separates, and the anus periphery sticks liquid dung, and qualitative is severe diarrhoea.
(8) result of the test
Weightening finish:
The weightening finish of table 2 test pig comparison sheet unit: kg, g
| Group | Number | The test number of days | Starting weight/head/kg | An end weight/kg | Total augment weight/head/kg | Daily gain/head/g |
| Control group | 42 | 54 | 19.05 | 35.71 | 16.66±1.04 | 308.52 |
| Test group | 42 | 54 | 18.82 | 38.06 | 19.24±1.67** | 356.30±111** |
Annotate: * * means to be listed as the interior significance of difference (P<0.01), and * means to be listed as the interior significance of difference (P<0.05).
Clinical observation:
The test group pig eats soon than control group pig, honey stomach, and by hair gloss, skin is ruddy, and the fecaluria foul smell alleviates greatly.Test group and test group are all less than eliminating, and test group and control group all have 2 moderate diarrhoea to occur.
(9) conclusion and suggestion
Aminoacid chelating microelement can improve the daily gain of weanling pig, improves feed intake, and feed efficiency is improved not obvious.Use is added in suggestion in piglet diet.
Claims (2)
1. the preparation method of a modified amino acid chelated iron feed addictive is characterized in that comprising following preparation process: first by feather meal with the sulfuric acid of 20-35% at 100～105 ℃ of lower hydrolysis 1-2 hour, feather meal is dissolved fully, solid-to-liquid ratio is 1:1-2; Add ferrous sulfate after cooling, the ferrous sulfate added and the weight ratio of feather meal are 1:5-6; Add the sodium hydroxide solution neutralization, regulating the pH value is 6.0～6.5 again, reaction 5-6 hour under 100-105 ℃; Be cooled to 45 ℃ after reaction, add appropriate biology enzyme, then reacted 10-12 hour, obtain amino acid iron chelated iron; Add vinegar, montmorillonite powder, Macrogol 4000 and poplar bark powder again in reactant liquor, last concentrate drying, obtain modified amino acid chelated iron feed addictive; The part by weight of described ferrous sulfate and vinegar, montmorillonite powder, Macrogol 4000, poplar bark powder is 1:5-8:1-2:2-3:1-2; Described biology enzyme is protease.
2. the preparation method of modified amino acid chelated iron feed addictive according to claim 1, it is characterized in that: described pH value is 6.0.
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| Publication number | Priority date | Publication date | Assignee | Title |
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Address after: No.168, Huaihai West Road, Fenghuangshan Industrial Park, Huaibei City, Anhui Province 235000 Patentee after: Anhui Hongyuan Feed Technology Co.,Ltd. Address before: No. 168 Huaihai West Road, Fenghuangshan Food Industry Park, Huaibei City, Anhui Province, 235000 Patentee before: ANHUI ZHENGDAYUAN FEED Co.,Ltd. |