CN114246260A - Feed additive and preparation method thereof - Google Patents

Feed additive and preparation method thereof Download PDF

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Publication number
CN114246260A
CN114246260A CN202111508945.0A CN202111508945A CN114246260A CN 114246260 A CN114246260 A CN 114246260A CN 202111508945 A CN202111508945 A CN 202111508945A CN 114246260 A CN114246260 A CN 114246260A
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China
Prior art keywords
feed additive
water
preparing
hydroxyacetophenone
additive according
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Application number
CN202111508945.0A
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Chinese (zh)
Inventor
郑建章
钟德保
李全
曾秋明
黄啟仕
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Jiangxi Yongtong Technology Co ltd
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Jiangxi Yongtong Technology Co ltd
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Priority to CN202111508945.0A priority Critical patent/CN114246260A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/20Inorganic substances, e.g. oligoelements
    • A23K20/30Oligoelements
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/10Organic substances
    • A23K20/116Heterocyclic compounds
    • A23K20/121Heterocyclic compounds containing oxygen or sulfur as hetero atom
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/10Organic substances
    • A23K20/116Heterocyclic compounds
    • A23K20/137Heterocyclic compounds containing two hetero atoms, of which at least one is nitrogen
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K50/00Feeding-stuffs specially adapted for particular animals
    • A23K50/30Feeding-stuffs specially adapted for particular animals for swines
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K50/00Feeding-stuffs specially adapted for particular animals
    • A23K50/70Feeding-stuffs specially adapted for particular animals for birds
    • A23K50/75Feeding-stuffs specially adapted for particular animals for birds for poultry
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F3/00Compounds containing elements of Groups 2 or 12 of the Periodic Table
    • C07F3/003Compounds containing elements of Groups 2 or 12 of the Periodic Table without C-Metal linkages
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F3/00Compounds containing elements of Groups 2 or 12 of the Periodic Table
    • C07F3/06Zinc compounds

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Birds (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention discloses a feed additive and a preparation method thereof, wherein the preparation method comprises the following steps: putting phenol and a catalyst into an acylation kettle, heating to 45-55 ℃, dropwise adding acetyl chloride under negative pressure, keeping the temperature in the acylation kettle not more than 120 ℃ in the dropwise adding process, preserving heat for 7-10 hours after dropwise adding is finished, and cooling to obtain a material A; hydrolyzing the material A, washing with water, separating a water layer, distilling, freezing, crystallizing and centrifuging to obtain p-hydroxyacetophenone; adding p-hydroxyacetophenone and levamisole hydrochloride into a mixed solvent of ethanol and water for uniform dispersion, and adding zinc salt for uniform dispersion to obtain a material B; and (3) placing the material B in a hydrothermal reaction kettle for hydrothermal reaction, cooling to room temperature after the reaction is finished, filtering, washing and drying to obtain the feed additive. The preparation method of the feed additive provided by the invention is simple in process, and the obtained additive can provide nutrition for animals, and simultaneously can resist bacteria, improve immunity and promote growth of the animals.

Description

Feed additive and preparation method thereof
Technical Field
The invention relates to the technical field of synthesis, in particular to a feed additive and a preparation method thereof.
Background
The feed additive is a small amount or trace substance added in the production, processing and using processes of the feed, has a small dosage in the feed but an obvious effect, and has obvious effects on enhancing the nutritive value of basic feed, improving the production performance of animals, ensuring the health of the animals, saving the cost of the feed, improving the quality of products and the like. In recent years, with the development of the breeding industry, various feed additives appear, the breeding level and the benefit are improved, but some feed additives have single effect after being used, the weight increasing effect is not ideal, and the application of the feed additives is limited.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides the feed additive and the preparation method thereof, the preparation method is simple in process, and the obtained additive can provide nutrition for animals, and simultaneously can resist bacteria, improve immunity and promote growth of the animals.
The invention provides a preparation method of a feed additive, which comprises the following steps:
s1, putting phenol and a catalyst into an acylation kettle, heating to 45-55 ℃, dropwise adding acetyl chloride under negative pressure, keeping the temperature in the acylation kettle not more than 120 ℃ in the dropwise adding process, preserving heat for 7-10 hours after dropwise adding is completed, and cooling to obtain a material A;
s2, hydrolyzing the material A, washing with water, separating a water layer, distilling, freezing, crystallizing and centrifuging to obtain p-hydroxyacetophenone;
s3, adding p-hydroxyacetophenone and levamisole hydrochloride into a mixed solvent of ethanol and water for uniform dispersion, and adding zinc salt for uniform dispersion to obtain a material B;
s4, placing the material B in a hydrothermal reaction kettle for hydrothermal reaction, cooling to room temperature after the reaction is finished, filtering, washing and drying to obtain the feed additive.
Preferably, in S1, the catalyst is a mixture of aluminum trichloride, trifluoromethanesulfonic acid, and beta molecular sieve.
Preferably, in S1, the catalyst is aluminum trichloride, trifluoromethanesulfonic acid, and a beta molecular sieve in a weight ratio of 10-25: 1-3: 2-5.
Preferably, in S1, the molar mass ratio of the phenol, the catalyst and the acetyl chloride is 1 mol: 1-5 g: 1-1.1 mol.
Preferably, in S2, the temperature of the hydrolysis is 25-35 ℃.
Preferably, in S3, the molar ratio of the p-hydroxyacetophenone, the levamisole hydrochloride and the zinc salt is 1: 1: 1-3.
Preferably, in S3, the zinc salt is one or more of zinc nitrate, zinc sulfate, zinc acetate and zinc chloride; in the mixed solvent of ethanol and water, the volume ratio of ethanol to water is 1: 1-5.
Preferably, in S4, the temperature of the hydrothermal reaction is 120-145 ℃ and the time is 50-75 h.
Preferably, in S4, the method further comprises mixing the dried product with theaflavin and sanguinarine in a ratio of 10-20: 1-4: 2-9 weight ratio.
The invention also provides a feed additive, which is prepared by adopting the preparation method of the feed additive.
In the preparation method of the feed additive, phenol and acetyl chloride are used as raw materials, and are reacted under the action of a catalyst, and the reaction process is controlled to obtain p-hydroxyacetophenone; then, the obtained p-hydroxyacetophenone and levamisole hydrochloride are taken as ligands, a mixed solvent of ethanol and water is taken as a solvent, zinc salt is taken as metal salt to carry out hydrothermal reaction, so that oxygen and nitrogen atoms in the p-hydroxyacetophenone and the levamisole hydrochloride are coordinated with zinc, and the feed additive is obtained, and combines the p-hydroxyacetophenone, the levamisole hydrochloride and the zinc into a whole, so that on one hand, nutrients such as zinc element and the like can be provided for animals, the appetite of the animals is enhanced, the growth of the animals is promoted, on the other hand, microorganisms can be resisted, the growth of harmful bacteria is inhibited, intestinal flora is kept normal, the morbidity is reduced, and the utilization rate of the feed is improved; in a preferred mode, when the p-hydroxyacetophenone is prepared, a mixture of aluminum trichloride, trifluoromethanesulfonic acid and a beta molecular sieve is specifically selected as a catalyst, the catalytic performance is excellent, the obtained p-hydroxyacetophenone has high yield and good purity, the yield reaches more than 97.8%, and the purity is more than 99.6%; the obtained complex is further mixed with theaflavin and sanguinarine according to the weight ratio of 10-20: 1-4: 2-9, so that the three components play excellent synergistic action, can stimulate immune system cells in intestinal tracts while resisting bacteria, improve the immunity of animals and promote the growth of the animals.
The preparation method of the feed additive has the advantages of simple process, easy control, high yield of more than 93.8 percent, good purity of more than 98.9 percent and stable product; when the feed is fed to pigs for 30 days, compared with the feed without the additive, the pig skin hair red brightness is improved by 6-12%, the daily gain is improved by 8-15%, and the feed conversion rate is improved by more than 14%.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
Example 1
The invention provides a preparation method of a feed additive, which comprises the following steps:
s1, putting phenol and a catalyst into an acylation kettle, heating to 55 ℃, dropwise adding acetyl chloride under negative pressure, keeping the temperature in the acylation kettle not more than 120 ℃ in the dropwise adding process, preserving heat for 10 hours after dropwise adding is completed, and cooling to obtain a material A; wherein the molar mass ratio of the phenol to the catalyst to the acetyl chloride is 1 mol: 1 g: 1.1 mol; the catalyst is aluminum trichloride, trifluoromethanesulfonic acid and a beta molecular sieve in a weight ratio of 10: 3: 2;
s2, hydrolyzing the material A at 25 ℃, washing with water, separating a water layer, distilling, freezing, crystallizing and centrifuging to obtain p-hydroxyacetophenone;
s3, adding p-hydroxyacetophenone and levamisole hydrochloride into a mixed solvent of ethanol and water, uniformly dispersing, adding zinc nitrate, and uniformly dispersing to obtain a material B; wherein the mol ratio of the p-hydroxyacetophenone to the levamisole hydrochloride to the zinc nitrate is 1: 1: 2; in the mixed solvent of ethanol and water, the volume ratio of ethanol to water is 1: 3;
s4, placing the material B in a hydrothermal reaction kettle, carrying out hydrothermal reaction at 120 ℃ for 75h, cooling to room temperature after the reaction is finished, filtering, washing and drying to obtain the feed additive.
Example 2
The invention provides a preparation method of a feed additive, which comprises the following steps:
s1, putting phenol and a catalyst into an acylation kettle, heating to 45 ℃, dropwise adding acetyl chloride under negative pressure, keeping the temperature in the acylation kettle at 110 ℃ in the dropwise adding process, preserving heat for 9 hours after dropwise adding is finished, and cooling to obtain a material A; wherein the molar mass ratio of the phenol to the catalyst to the acetyl chloride is 1 mol: 1.5 g: 1 mol; the catalyst is aluminum trichloride, trifluoromethanesulfonic acid and a beta molecular sieve in a weight ratio of 25: 1: 5 with a mixture of;
s2, hydrolyzing the material A at 30 ℃, washing with water, separating a water layer, distilling, freezing, crystallizing and centrifuging to obtain p-hydroxyacetophenone;
s3, adding p-hydroxyacetophenone and levamisole hydrochloride into a mixed solvent of ethanol and water, uniformly dispersing, adding zinc sulfate, and uniformly dispersing to obtain a material B; wherein the mol ratio of the p-hydroxyacetophenone to the levamisole hydrochloride to the zinc sulfate is 1: 1: 3; in the mixed solvent of ethanol and water, the volume ratio of ethanol to water is 1: 1;
s4, placing the material B in a hydrothermal reaction kettle, carrying out hydrothermal reaction for 50h at 145 ℃, cooling to room temperature after the reaction is finished, filtering, washing and drying to obtain the feed additive.
Example 3
The invention provides a preparation method of a feed additive, which comprises the following steps:
s1, putting phenol and a catalyst into an acylation kettle, heating to 52 ℃, dropwise adding acetyl chloride under negative pressure, keeping the temperature in the acylation kettle at 115 ℃ in the dropwise adding process, preserving heat for 7 hours after dropwise adding is finished, and cooling to obtain a material A; wherein the molar mass ratio of the phenol to the catalyst to the acetyl chloride is 1 mol: 5 g: 1 mol; the catalyst is aluminum trichloride, trifluoromethanesulfonic acid and a beta molecular sieve in a weight ratio of 10: 2: 3;
s2, hydrolyzing the material A at 35 ℃, washing with water, separating a water layer, distilling, freezing, crystallizing and centrifuging to obtain p-hydroxyacetophenone;
s3, adding p-hydroxyacetophenone and levamisole hydrochloride into a mixed solvent of ethanol and water for uniform dispersion, and adding zinc salt for uniform dispersion to obtain a material B; wherein the mol ratio of the p-hydroxyacetophenone to the levamisole hydrochloride to the zinc salt is 1: 1: 1; the zinc salt is zinc nitrate and zinc chloride, and the weight ratio of the zinc salt to the zinc chloride is 1: 1; in the mixed solvent of ethanol and water, the volume ratio of ethanol to water is 1: 1;
s4, placing the material B in a hydrothermal reaction kettle, carrying out hydrothermal reaction for 60 hours at 125 ℃, cooling to room temperature after the reaction is finished, filtering, washing, drying, mixing with theaflavin and sanguinarine according to the weight ratio of 10: 4: 9 to obtain the feed additive.
Example 4
The invention provides a preparation method of a feed additive, which comprises the following steps:
s1, putting phenol and a catalyst into an acylation kettle, heating to 48 ℃, dropwise adding acetyl chloride under negative pressure, keeping the temperature in the acylation kettle at 120 ℃ in the dropwise adding process, preserving the heat for 7.5 hours after the dropwise adding is finished, and cooling to obtain a material A; wherein the molar mass ratio of the phenol to the catalyst to the acetyl chloride is 1 mol: 1 g: 1 mol; the catalyst is aluminum trichloride, trifluoromethanesulfonic acid and a beta molecular sieve in a weight ratio of 14: 1: 3.5 of a mixture;
s2, hydrolyzing the material A at 28 ℃, washing with water, separating a water layer, distilling, freezing, crystallizing and centrifuging to obtain p-hydroxyacetophenone;
s3, adding p-hydroxyacetophenone and levamisole hydrochloride into a mixed solvent of ethanol and water, uniformly dispersing, adding zinc nitrate, and uniformly dispersing to obtain a material B; wherein the mol ratio of the p-hydroxyacetophenone to the levamisole hydrochloride to the zinc nitrate is 1: 1: 1.6; in the mixed solvent of ethanol and water, the volume ratio of ethanol to water is 1: 4;
s4, placing the material B in a hydrothermal reaction kettle, carrying out hydrothermal reaction at 130 ℃ for 55h, cooling to room temperature after the reaction is finished, filtering, washing and drying, and mixing the obtained product with theaflavin and sanguinarine according to the weight ratio of 20: 1: 2 to obtain the feed additive.
Example 5
The invention provides a preparation method of a feed additive, which comprises the following steps:
s1, putting phenol and a catalyst into an acylation kettle, heating to 50 ℃, dropwise adding acetyl chloride under negative pressure, keeping the temperature in the acylation kettle at 110 ℃ in the dropwise adding process, preserving the heat for 8 hours after the dropwise adding is finished, and cooling to obtain a material A; wherein the molar mass ratio of the phenol to the catalyst to the acetyl chloride is 1 mol: 2.6 g: 1.1 mol; the catalyst is aluminum trichloride, trifluoromethanesulfonic acid and a beta molecular sieve in a weight ratio of 10: 1: 2;
s2, hydrolyzing the material A at 28 ℃, washing with water, separating a water layer, distilling, freezing, crystallizing and centrifuging to obtain p-hydroxyacetophenone;
s3, adding p-hydroxyacetophenone and levamisole hydrochloride into a mixed solvent of ethanol and water, uniformly dispersing, adding zinc nitrate, and uniformly dispersing to obtain a material B; wherein the mol ratio of the p-hydroxyacetophenone to the levamisole hydrochloride to the zinc nitrate is 1: 1: 1.5; in the mixed solvent of ethanol and water, the volume ratio of ethanol to water is 1: 2;
s4, placing the material B in a hydrothermal reaction kettle, carrying out hydrothermal reaction at 135 ℃ for 72h, cooling to room temperature after the reaction is finished, filtering, washing and drying, and mixing the obtained product with theaflavin and sanguinarine according to the weight ratio of 15: 2: 7 to obtain the feed additive.
Selecting 210 healthy chicks of 30 days old for testing, and randomly dividing the chicks into 7 groups of 30 chicks each; wherein 1 group is blank control group, 1 group is levamisole hydrochloride control group, and the rest 5 groups are used as test groups and respectively adopt the additives in the embodiments 1-5; when levamisole hydrochloride and the additive are fed, the levamisole hydrochloride and the additive are added according to the addition amount of 6mg per kilogram of body weight, and the addition is continuously carried out for 3 days; after feeding is finished for 7d, 14d and 21d, randomly extracting 10 chickens from each group, and weighing on empty stomach; the blank control group is weighed to obtain the initial average body weight of 225.8g, the average body weight of 366.9g after 7d, the average body weight of 492.3g after 14d and the average body weight of 602.5g after 21 d; the initial body weight of the levamisole control group is 210.9g, the average body weight after 7 days is 396.7g, the average body weight after 14 days is 496.9g, and the average body weight after 21 days is 594.5 g; in the test groups of examples 1 to 5, the initial average body weight was 204.1 to 209.7g, the average body weight was 422.0 to 463.1g after 7 days, the average body weight was 538.2 to 557.8g after 14 days, and the average body weight was 659.3 to 678.4g after 21 days.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The preparation method of the feed additive is characterized by comprising the following steps:
s1, putting phenol and a catalyst into an acylation kettle, heating to 45-55 ℃, dropwise adding acetyl chloride under negative pressure, keeping the temperature in the acylation kettle not more than 120 ℃ in the dropwise adding process, preserving heat for 7-10 hours after dropwise adding is completed, and cooling to obtain a material A;
s2, hydrolyzing the material A, washing with water, separating a water layer, distilling, freezing, crystallizing and centrifuging to obtain p-hydroxyacetophenone;
s3, adding p-hydroxyacetophenone and levamisole hydrochloride into a mixed solvent of ethanol and water for uniform dispersion, and adding zinc salt for uniform dispersion to obtain a material B;
s4, placing the material B in a hydrothermal reaction kettle for hydrothermal reaction, cooling to room temperature after the reaction is finished, filtering, washing and drying to obtain the feed additive.
2. The method for preparing feed additive according to claim 1, wherein in S1, the catalyst is a mixture of aluminum trichloride, trifluoromethanesulfonic acid and beta-molecular sieve.
3. The method for preparing the feed additive according to claim 1, wherein in S1, the catalyst is aluminum trichloride, trifluoromethanesulfonic acid, beta molecular sieve in a weight ratio of 10-25: 1-3: 2-5.
4. The method for preparing feed additive according to claim 1, wherein in S1, the molar mass ratio of the phenol, the catalyst and the acetyl chloride is 1 mol: 1-5 g: 1-1.1 mol.
5. The method for preparing a feed additive according to claim 1, wherein the hydrolysis temperature is 25-35 ℃ in S2.
6. The method for preparing feed additive according to claim 1, wherein the molar ratio of p-hydroxyacetophenone, levamisole hydrochloride and zinc salt in S3 is 1: 1: 1-3.
7. The method for preparing feed additive according to claim 1, wherein in S3, the zinc salt is one or more of zinc nitrate, zinc sulfate, zinc acetate and zinc chloride; in the mixed solvent of ethanol and water, the volume ratio of ethanol to water is 1: 1-5.
8. The method for preparing feed additive according to claim 1, wherein the hydrothermal reaction is performed at a temperature of 120-145 ℃ for 50-75h in S4.
9. The method for preparing a feed additive according to any one of claims 1 to 8, wherein in S4, the method further comprises mixing the dried product with theaflavin and sanguinarine in a ratio of 10 to 20: 1-4: 2-9 weight ratio.
10. A feed additive, which is prepared by the method for preparing a feed additive according to any one of claims 1 to 9.
CN202111508945.0A 2021-12-10 2021-12-10 Feed additive and preparation method thereof Pending CN114246260A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106167449A (en) * 2016-07-24 2016-11-30 遵义师范学院 A kind of synthetic method of parahydroxyacet-ophenone
CN106916060A (en) * 2017-02-22 2017-07-04 江苏新瀚新材料股份有限公司 A kind of preparation method of high-purity parahydroxyacet-ophenone
CN107624980A (en) * 2017-10-17 2018-01-26 天津市美农动物科技有限公司 A kind of boar health-care feed and preparation method thereof
CN113729121A (en) * 2021-08-27 2021-12-03 山东雨田食品科技股份有限公司 Feed additive containing zinc benzoate and production process and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106167449A (en) * 2016-07-24 2016-11-30 遵义师范学院 A kind of synthetic method of parahydroxyacet-ophenone
CN106916060A (en) * 2017-02-22 2017-07-04 江苏新瀚新材料股份有限公司 A kind of preparation method of high-purity parahydroxyacet-ophenone
CN107624980A (en) * 2017-10-17 2018-01-26 天津市美农动物科技有限公司 A kind of boar health-care feed and preparation method thereof
CN113729121A (en) * 2021-08-27 2021-12-03 山东雨田食品科技股份有限公司 Feed additive containing zinc benzoate and production process and application thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
郭洋 等: "盐酸左旋咪唑对雏鸡免疫功能及生长性能影响的研究" *

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