CN113016634A - Method for preparing urethral protection cat litter by mixed fermentation of probiotics - Google Patents
Method for preparing urethral protection cat litter by mixed fermentation of probiotics Download PDFInfo
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- CN113016634A CN113016634A CN202110409664.3A CN202110409664A CN113016634A CN 113016634 A CN113016634 A CN 113016634A CN 202110409664 A CN202110409664 A CN 202110409664A CN 113016634 A CN113016634 A CN 113016634A
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- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 10
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 10
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 10
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- 238000002791 soaking Methods 0.000 claims description 6
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- 102000013142 Amylases Human genes 0.000 claims description 5
- 108010065511 Amylases Proteins 0.000 claims description 5
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- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 5
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- 229920001661 Chitosan Polymers 0.000 claims description 3
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- 239000003795 chemical substances by application Substances 0.000 description 6
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- 229910000278 bentonite Inorganic materials 0.000 description 3
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- 239000000428 dust Substances 0.000 description 3
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
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- 230000007815 allergy Effects 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000000227 bioadhesive Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
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- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 206010039083 rhinitis Diseases 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
- A01K1/0155—Litter comprising organic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
- A01K1/0154—Litter comprising inorganic material
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
The invention relates to a method for preparing urethral protection cat litter by mixed fermentation of probiotics, which comprises the following steps: crushing bean dregs, chrysanthemum stem dregs and bamboo fiber dregs, performing enzymolysis respectively, and mixing to obtain mixed material dregs; activating the mixed material slag by using phosphoric acid, boiling the mixed material slag by using clear water, washing and dehydrating to obtain activated material slag; adding a composite probiotic into the activated material residues for fermentation to obtain a fermented product; and step four, adding the biological adhesive and the rosin emulsion into the fermentation product, uniformly stirring, granulating, and drying to obtain the cat litter finished product. The invention has the advantages that: the pet cat urethral protection liquid contains no alkaline substances such as gypsum, is beneficial to the protection of pet cat urethra, has wide raw material sources and low cost, and is beneficial to environmental protection; can inhibit the propagation of harmful bacteria and the anaerobic fermentation decomposition of feces; the water absorption performance and the caking performance are excellent, and the quality of the cat litter is improved.
Description
Technical Field
The invention relates to the technical field of cat litter for pet breeding, in particular to a method for preparing urethra protection cat litter by mixed fermentation of probiotics.
Background
The cat litter is a domestic pet padding, is an object for burying excrement and urine of a cat raised by people, has better water absorption, can be generally used together with a cat litter basin (or called a cat toilet), a proper amount of cat litter is poured into the cat litter basin, a trained cat can go into the cat litter basin to be excreted when needing to be excreted, and the excrement is buried by the cat litter. Early cat litter was mainly based on non-setting cat litter, mainly for holding cat litter. With the continuous progress of cat litter technology, coagulated sand, wood sand, crystal sand, bentonite sand and the like appear, so that cat excrement is more convenient to clean. Generally, chemical products such as deodorant/antiseptic are added to cat litter, and cat litter will stick to the feet and bring the cat litter to other places, causing pollution. The qualified cat litter is required to have good coagulation force, water absorption, odor masking force and small dust amount.
At present, cat litter types sold in the market include common cat litter, agglomerated cat litter, crystal cat litter, wood flour cat litter, and paper-scrap cat litter. Bentonite cat litter is the most commonly used cat litter at present, takes bentonite as a main component, is conglomerate cat litter, and is small white or grey white particles in appearance. When the cat litter box is used, the cat litter product quickly absorbs moisture in excrement, becomes a hard mass and can be shoveled by a cat litter shovel to be thrown away. Along with the consumption of the cat litter, the cat litter can be supplemented without giving up the whole pot. The cat litter has a large dust amount, causes dust pollution in a room, and easily causes allergy to people living together with pets to induce respiratory diseases, rhinitis and the like. In addition, the inorganic mineral cat litter is extremely difficult to decompose when being discarded in the environment, thereby causing soil and environment pollution. In addition, the main components of the clay cat litter are plastic aluminosilicate with very small particles (less than 2 mu m) and a small amount of magnesium, iron, sodium, potassium and calcium, no proper treatment method is available at present, and a large amount of used clay cat litter is discarded at a garbage site, so that adverse effects on the surrounding environment are caused, and simultaneously, the waste of resources is caused. In addition, the alkaline substances such as gypsum contained in the traditional cat litter are one of the causes of cat urinary tract syndrome (especially male cats).
Disclosure of Invention
The invention aims to solve the problems, and provides a method for preparing cat litter for protecting urethra by mixed fermentation of probiotics, so as to improve the performance of cat litter while solving the technical problems that substances in traditional cat litter cause damage to the urinary system of pet cats.
The invention realizes the purpose through the following technical scheme:
the invention provides a method for preparing urethra protection cat litter by mixed fermentation of probiotics, which is characterized by comprising the following steps:
crushing bean dregs, chrysanthemum stem dregs and bamboo fiber dregs, performing enzymolysis respectively, and mixing to obtain mixed material dregs;
adding phosphoric acid into the mixed material slag, boiling with clear water for activation treatment, washing and dehydrating to obtain activated material slag;
adding a composite probiotic into the activated material residues for fermentation to obtain a fermented product;
and step four, adding the biological adhesive and the rosin emulsion into the fermentation product, uniformly stirring, granulating, and drying to obtain the cat litter finished product.
As a further optimization scheme of the present invention, in the first step, the enzymolysis process respectively comprises:
bean dreg enzymolysis: adding protease 0.02-0.05% and amylase 0.004-0.01% of the bean dregs, and performing enzymolysis at 55-60 deg.C for 0.5-1.5 hr;
and (3) chrysanthemum stem residue enzymolysis: adding cutinase and cellulase in an amount of 0.06-0.12% of the mass of the chrysanthemum residue, and performing enzymolysis at 40-55 deg.C for 1-2 hr;
bamboo fiber residue enzymolysis: adding cutinase and cellulase in an amount of 0.15-0.35% of the mass of the chrysanthemum residue into the bamboo fiber residue, and performing enzymolysis at 40-55 deg.C for 1.5-3 h.
As a further optimization scheme of the invention, in the second step, the mixing mass ratio of the bean dregs, the chrysanthemum stem dregs and the bamboo fiber dregs after enzymolysis is 2.5-4:1-2: 1-3.
As a further optimized solution of the present invention, in the second step, the method for activating includes: adding 40-70% of phosphoric acid solution by mass into the mixed material slag according to 50-200% of the total mass of the mixed material slag, soaking at 80-150 ℃ for 0.5-1.5h, and activating the mixed material slag at 250-400 ℃ for 0.5-1 h.
As a further optimized scheme of the invention, in the third step, the components of the composite probiotic include: 2-6X 1011CFU/g Lactobacillus acidophilus, 3-8 × 1011CFU/g Lactobacillus salivarius and 4-6X 1011CFU/g Bacillus subtilis. .
As a further optimized scheme of the invention, in the third step, the fermentation conditions are as follows: fermenting at 40-60 deg.C for 4-6 days.
In a further preferred embodiment of the present invention, in the fourth step, the biological adhesive is carboxymethyl cellulose or chitosan.
In the fourth step, the addition amounts of the biological adhesive and the rosin emulsion are 3-6% and 1-5% of the mass of the fermentation product respectively.
The invention also provides the urethral protection cat litter prepared by any one of the methods.
The invention has the beneficial effects that:
1) the cat litter prepared by the invention adopts the bean dregs, the chrysanthemum stem dregs and the bamboo fiber dregs as raw materials, does not contain substances such as gypsum which are unfavorable for the health of the pet cat body, is beneficial to protecting the urethra of the pet cat, has wide raw material source and low cost, and is beneficial to environmental protection;
2) the cat litter prepared by the invention is a probiotic fermentation product, and can quickly form a dominant flora in the using process, effectively inhibit the propagation of harmful bacteria and the anaerobic fermentation decomposition of excrement, and protect the health of pet urethra;
3) macromolecular structure in the mixed slag charge is firstly changed into a micromolecular structure through enzymolysis, and then is dissolved in high-temperature phosphoric acid to become loose, and phosphoric acid can be immersed into the polymer structure of the macromolecular structure, so that dehydration and connection skeleton effects are generated, the water absorption performance and the caking performance of the mixed slag charge are excellent, and the quality of the cat litter is improved.
Detailed Description
The present application is described in further detail below, and it should be noted that the following detailed description is provided for illustrative purposes only, and is not intended to limit the scope of the present application, which is defined by the appended claims.
Example 1
The method for preparing the cat litter for protecting the urethra by using mixed fermentation of probiotics, provided by the embodiment, comprises the following steps:
crushing bean dregs, chrysanthemum stem dregs and bamboo fiber dregs, and performing enzymolysis respectively:
bean dreg enzymolysis: adding protease and amylase accounting for 0.02% of the weight of the bean dregs into the bean dregs, and performing enzymolysis at 55 ℃ for 1.5 h;
and (3) chrysanthemum stem residue enzymolysis: adding cutinase and cellulase in an amount of 0.06% of the mass of the chrysanthemum stem residue and 0.1% of the mass of the chrysanthemum stem residue, and performing enzymolysis at 40 ℃ for 2 h;
bamboo fiber residue enzymolysis: adding cutinase and cellulase in an amount of 0.15% of the mass of the chrysanthemum stem residue into the bamboo fiber residue, and performing enzymolysis at 40 deg.C for 3 h;
uniformly mixing the bean dregs, the chrysanthemum stem dregs and the bamboo fibers after enzymolysis according to the mass ratio of 2.5:1:1 to obtain mixed slag charge;
step two, adding a phosphoric acid solution with the mass fraction of 40% into the mixed material slag, soaking the mixed material slag at 80 ℃ for 1.5h, activating the mixed material slag at 250 ℃ for 1h, boiling with clear water, washing until the pH value is 6, and dehydrating;
adding a composite probiotic agent accounting for 5% of the mass of the mixed slag charge into the dehydrated mixed slag charge for fermentation, wherein the composite probiotic agent comprises the following components in percentage by weight: 2X 1011CFU/g Lactobacillus acidophilus, 3X 1011CFU/g Lactobacillus salivarius and 4X 1011CFU/g bacillus subtilis, the fermentation conditions are as follows: fermenting at 40 deg.C for 6d, and drying to obtain fermented product;
and step four, adding carboxymethyl cellulose accounting for 3% of the mass of the fermentation product and rosin emulsion accounting for 1% of the mass of the fermentation product into the fermentation product, stirring, granulating and drying to obtain the cat litter finished product.
Example 2
The method for preparing the cat litter for protecting the urethra by using mixed fermentation of probiotics, provided by the embodiment, comprises the following steps:
crushing bean dregs, chrysanthemum stem dregs and bamboo fiber dregs, and performing enzymolysis respectively:
bean dreg enzymolysis: adding protease accounting for 0.03% of the weight of the bean dregs and amylase accounting for 0.008% of the weight of the bean dregs into the bean dregs, and performing enzymolysis for 1 hour at 58 ℃;
and (3) chrysanthemum stem residue enzymolysis: adding cutinase and cellulase in an amount of 0.09% and 0.2% of the mass of the chrysanthemum stalk residues, and performing enzymolysis at 48 deg.C for 1.5 h;
bamboo fiber residue enzymolysis: adding cutinase and cellulase in an amount of 0.25% of the mass of the chrysanthemum stem residue into the bamboo fiber residue, and performing enzymolysis at 47 ℃ for 2.5 h;
uniformly mixing the bean dregs, the chrysanthemum stem dregs and the bamboo fibers after enzymolysis according to the mass ratio of 3:1.5:2 to obtain mixed slag charge;
step two, adding a phosphoric acid solution with the mass fraction of 55% into the mixed slag charge, wherein the adding amount of the phosphoric acid solution is 100% of the total mass of the mixed slag charge, soaking for 1h at 120 ℃, activating the mixed slag charge for 0.8h at 300 ℃, boiling with clear water, washing until the pH value is 6.5, and dehydrating;
adding a composite probiotic agent accounting for 15% of the mass of the mixed slag charge into the dehydrated mixed slag charge for fermentation, wherein the composite probiotic agent comprises the following components in percentage by weight: 4X 1011CFU/g Lactobacillus acidophilus, 5 × 1011CFU/g Lactobacillus salivarius and 5X 1011CFU/g bacillus subtilis, the fermentation conditions are as follows: fermenting at 50 deg.C for 5d, and drying to obtain fermented product;
and step four, adding chitosan accounting for 5% of the mass of the fermentation product and rosin emulsion accounting for 3% of the mass of the fermentation product into the fermentation product, stirring, granulating and drying to obtain the cat litter finished product.
Example 3
The method for preparing the cat litter for protecting the urethra by using mixed fermentation of probiotics, provided by the embodiment, comprises the following steps:
crushing bean dregs, chrysanthemum stem dregs and bamboo fiber dregs, and performing enzymolysis respectively:
bean dreg enzymolysis: adding protease and amylase accounting for 0.05% of the weight of the bean dregs into the bean dregs, and performing enzymolysis at 60 ℃ for 0.5 h;
and (3) chrysanthemum stem residue enzymolysis: adding cutinase and cellulase in an amount which is 0.12% of the mass of the chrysanthemum stem residue and 0.3% of the mass of the chrysanthemum stem residue into the chrysanthemum stem residue, and carrying out enzymolysis for 2h at 55 ℃;
bamboo fiber residue enzymolysis: adding cutinase and cellulase in an amount of 0.35% of the mass of the chrysanthemum stem residue into the bamboo fiber residue, and performing enzymolysis at 55 deg.C for 1.5 h;
uniformly mixing the bean dregs, the chrysanthemum stem dregs and the bamboo fibers after enzymolysis according to the mass ratio of 4:2:3 to obtain mixed dregs;
adding a phosphoric acid solution with the mass fraction of 70% into the mixed slag, wherein the adding amount of the phosphoric acid solution is 200% of the total mass of the mixed slag, soaking at 150 ℃ for 0.5h, activating the mixed slag at 400 ℃ for 0.5h, boiling with clear water, washing until the pH value is 6.5, and dehydrating;
adding a composite probiotic agent accounting for 25% of the mass of the mixed slag charge into the dehydrated mixed slag charge, wherein the composite probiotic agent comprises the following components in percentage by mass: 6X 1011CFU/g Lactobacillus acidophilus, 8 × 1011CFU/g Lactobacillus salivarius and 6X 1011CFU/g bacillus subtilis, the fermentation conditions are as follows: fermenting at 60 deg.C for 4d, and drying to obtain fermented product;
and step four, adding carboxymethyl cellulose accounting for 6% of the mass of the fermented product and rosin emulsion accounting for 5% of the mass of the fermented product into the fermented product, stirring, granulating and drying to obtain the cat litter finished product.
To verify the product performance of the cat litter product prepared in accordance with the present invention, comparative examples 1 and 2 were set as follows:
comparative example 1
The preparation method of the cat litter product is provided, wherein in the first step, the bean dregs, the chrysanthemum stem dregs and the bamboo fiber dregs are directly crushed and then mixed, the enzymolysis operation in the first step is not carried out, and other operation steps are the same as those in the second step.
Comparative example 2
Another method for preparing cat litter is provided, wherein in step two, the operations of soaking, treating at 250 ℃, boiling with clean water, washing and dehydrating are carried out by using sterile water instead of phosphoric acid solution, and other steps are the same as in example 2.
The cat litters prepared in examples 1 to 3 and comparative examples 1 to 2 were subjected to a performance test under the same test conditions, as follows:
testing one: urine handling capacity test
The cat litters of the examples 1 to 3, the comparative example 1 and the comparative example 2 are respectively paved on a filter screen, a piece of thin absorbent paper is padded below the filter screen, the thickness of the laid cat litter is 3cm, 200g of normal saline containing 1g/100ml of urea is poured on the surface of the cat litter, the time required for the cat litter to completely absorb water (namely the time for the cat litter to have no obvious water stain on the surface) is recorded, after 10min, the cat litter is removed, and whether the water stain exists on the absorbent paper is observed. On the other hand, the agglomerated cat litter was collected and its compressive strength was measured.
And (3) paving clean cat litters of examples 1-3, comparative example 1 and comparative example 2 on a new filter screen respectively, pouring 200g of normal saline containing 1g/100ml of urea on the surface of the cat litter respectively, pouring each group of cat litters three times, and detecting the odor of the cat litters after every 1d and 3d intervals.
The results are shown in table 1 below:
table 1: cat litter urine handling capacity test results
And (2) testing: fecal management ability test
Selecting fresh cat excrement with similar volume and shape, respectively placing the fresh cat excrement on the surfaces of the cat litters of the examples 1-3, the comparative example 1 and the comparative example 2, and recording the hardness of the excrement in each time period after the excrement is placed, wherein the hardness is the lowest pressure value for crushing the excrement and has the unit of N.
The results are shown in table 2 below:
table 2: cat litter fecal treatment ability test results
| Group of | 30s | 1min | 2min | 5min | 8min | 12min | 15min |
| Example 1 | 2.5 | 6.1 | 10.4 | 15.3 | 21.9 | 25.3 | 28.1 |
| Example 2 | 2.6 | 5.8 | 10.6 | 14.9 | 20.5 | 26.6 | 29.4 |
| Example 3 | 2.4 | 6.0 | 9.9 | 14.7 | 21.3 | 24.8 | 28.7 |
| Comparative example 1 | 2.2 | 3.9 | 5.5 | 8.3 | 10.8 | 13.4 | 17.6 |
| Comparative example 2 | 2.0 | 3.4 | 5.1 | 7.6 | 9.2 | 11.9 | 14.0 |
As can be seen from the above tables 1-2, the cat litter prepared by the invention has outstanding water absorption performance and caking performance, can effectively avoid the emission of urine odor, has outstanding effect of promoting feces hardening, and belongs to cat litter products with superior quality. Comparing the comparative example 1 and the comparative example 2, it is shown that the enzymolysis operation and the phosphoric acid treatment operation play a more critical role, and the main reason is that the macromolecular structure in the mixed slag is firstly changed into a micromolecular structure through enzymolysis, then dissolved in high-temperature phosphoric acid and can become loose, and the phosphoric acid can be immersed into the polymer structure of the mixed slag, so that dehydration and connection skeleton effects are generated, the water absorption performance and agglomeration performance of the mixed slag are excellent, the cat litter quality is improved, and the two are not indispensable.
And (3) testing: antibacterial and bactericidal capability test of cat litter
The cat litter of the embodiment 1-3, the comparative example 1 and the comparative example 2 is sterilized by high-pressure steam at 121 ℃ for 20min, a bottle of fresh cat urine is taken and divided into 6 parts under aseptic condition, the cat litter of the embodiment 1-3 and the comparative example 1-2 is soaked in the cat urine for 10s and then taken out, meanwhile, the 6 th part is soaked in the common pine cat litter (prepared by adding natural adhesive and granulating by adopting recycled pine as a main raw material) treated in the same sterilization mode as a control group, after 1h, the cat litter of each group is added into the same amount of sterilized water and stirred at the rotating speed of 120rpm for 5min to obtain bacteria-containing liquid, and the bacteria concentration (calculated by escherichia coli) in the bacteria-containing liquid is detected, and the results are shown in the following table 3:
table 3: antibacterial and bactericidal capability test of cat litter
| Group of | Concentration (cfu/mL) |
| Example 1 | 8.45×102 |
| Example 2 | 7.52×102 |
| Example 3 | 7.91×102 |
| Comparative example 1 | 3.47×103 |
| Comparative example 2 | 9.81×102 |
| Control group | 1.94×103 |
Rosin contained in pine is a natural bactericidal substance, and a control group of pine cat litter prepared by using the rosin as a main material of cat litter also has certain bactericidal performance, and as can be seen from table 3, the antibacterial bactericidal performance of the cat litter of examples 1 to 3 and comparative example 2 of the present invention is superior to that of the conventional pine cat litter, and the reason for this is probably related to that the cat litter of the present invention is obtained by probiotic fermentation, that is, the present invention produces some small peptide molecules through probiotic fermentation and has antibacterial bactericidal capability. In addition, the bactericidal capacity of comparative example 1 is lower than that of other groups, which shows that the treatment of enzymolysis can improve the efficiency of probiotic fermentation, so that a large amount of small peptide molecules with antibacterial and bactericidal capacities are produced.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. A method for preparing urethra protection cat litter by probiotic mixed fermentation is characterized by comprising the following steps:
crushing bean dregs, chrysanthemum stem dregs and bamboo fiber dregs, performing enzymolysis respectively, and mixing to obtain mixed material dregs;
activating the mixed material slag by using phosphoric acid, boiling the mixed material slag by using clear water, washing and dehydrating to obtain activated material slag;
adding a composite probiotic into the activated material residues for fermentation to obtain a fermented product;
and step four, adding the biological adhesive and the rosin emulsion into the fermentation product, uniformly stirring, granulating, and drying to obtain the cat litter finished product.
2. The method for preparing the cat litter for protecting the urethra by mixed fermentation of probiotics according to claim 1, wherein in the first step, the enzymolysis process comprises:
bean dreg enzymolysis: adding protease 0.02-0.05% and amylase 0.004-0.01% of the bean dregs, and performing enzymolysis at 55-60 deg.C for 0.5-1.5 hr;
and (3) chrysanthemum stem residue enzymolysis: adding cutinase and cellulase in an amount of 0.06-0.12% of the mass of the chrysanthemum residue, and performing enzymolysis at 40-55 deg.C for 1-2 hr;
bamboo fiber residue enzymolysis: adding cutinase and cellulase in an amount of 0.15-0.35% of the mass of the chrysanthemum residue into the bamboo fiber residue, and performing enzymolysis at 40-55 deg.C for 1.5-3 h.
3. The method for preparing the cat litter for protecting the urethra by mixed fermentation of probiotics according to claim 1, wherein in the second step, the mixing mass ratio of the bean dregs, the chrysanthemum stem dregs and the bamboo fiber dregs after enzymolysis is 2.5-4:1-2: 1-3.
4. The method for preparing the litters for urinary protection by mixed fermentation of probiotics according to claim 1, wherein in the second step, the activation method comprises the following steps: adding 40-70% of phosphoric acid solution by mass into the mixed material slag according to 50-200% of the total mass of the mixed material slag, soaking at 80-150 ℃ for 0.5-1.5h, and activating the mixed material slag at 250-400 ℃ for 0.5-1 h.
5. The method for preparing the cat litter for protecting the urethra by mixed fermentation of probiotics according to claim 1, wherein in the third step, the components of the composite probiotics comprise: 2-6X 1011CFU/g Lactobacillus acidophilus, 3-8 × 1011CFU/g Lactobacillus salivarius and 4-6X 1011CFU/g Bacillus subtilis.
6. The method for preparing the cat litter for protecting urethra by mixed fermentation of probiotics according to claim 5, wherein in the third step, the fermentation conditions are as follows: fermenting at 40-60 deg.C for 4-6 days.
7. The method for preparing the cat litter for protecting urethra by mixed fermentation of probiotics according to claim 1, wherein in the fourth step, the biological adhesive is carboxymethyl cellulose or chitosan.
8. The method for preparing the cat litter for protecting the urethra by mixed fermentation of probiotics according to claim 1, wherein in the fourth step, the addition amount of the biological adhesive and the rosin emulsion is 3-6% and 1-5% of the fermentation substance respectively.
9. A urethral protective litter made by the method of any one of claims 1-8.
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