CN106148233A - A kind of pediococcus acidilactici and the application in changing food waste thereof - Google Patents

A kind of pediococcus acidilactici and the application in changing food waste thereof Download PDF

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CN106148233A
CN106148233A CN201610563448.3A CN201610563448A CN106148233A CN 106148233 A CN106148233 A CN 106148233A CN 201610563448 A CN201610563448 A CN 201610563448A CN 106148233 A CN106148233 A CN 106148233A
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pediococcus acidilactici
food waste
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changing food
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王哲
刘立鹤
周哲
李�浩
韦祥银
张炳如
杜国扬
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BIOMAX ECOLOGICAL ENGINEERING Ltd BY SHARE Ltd
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Abstract

The invention provides a kind of pediococcus acidilactici, its Classification And Nomenclature is pediococcus acidilactici (Pediococcus acidilactici) CY 10, it is deposited in China Committee for Culture Collection of Microorganisms's common micro-organisms center, address is Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3 Institute of Microorganism, Academia Sinica, postcode is 100101, deposit number is: CGMCC NO.12450, and preservation date is on May 13rd, 2016.Present invention also offers the application in changing food waste processes of this pediococcus acidilactici.This pediococcus acidilactici has highly active protein enzyme, amylase, grease hydrolysis enzymatic activity, degraded glucose produces acid, having high-salt tolerance, acid proof Thermophilic Bacteria, this pediococcus acidilactici can be effectively improved the treatment effect of other rubbishes from cooking, and weight decrement potentiation reaches more than 5%.

Description

A kind of pediococcus acidilactici and the application in changing food waste thereof
Technical field
The invention belongs to microbial technology field, particularly relate to a kind of pediococcus acidilactici, further relate to this pediococcus acidilactici and exist Application in changing food waste process.
Background technology
Changing food waste is mainly derived from restaurant management and the garbage material (more than kitchen) of resident living and edible remaining (water from washing rice Foot).The changing food waste quantity that China is produced by family, school, dining room and catering industry is relatively big, if dealing with improperly, can pollute ring Border, spread disease, be detrimental to health.Changing food waste has high-moisture (up to 80~95%), high salinity, high organic contain Amount, perishable smelly and grow the features such as mosquitos and flies, it is mainly composed of moisture, saccharide, protein, fat, salinity and oils and fats etc..
At present, the processing mode of changing food waste is broadly divided into abiotic process (burn, be dehydrated, vacuum residuum etc.) and biological Process (landfill, compost and anaerobic digestion).Wherein, abiotic processing mode have burning insufficient, energy consumption is big, cost is high and effect The features such as fruit is the best.Biological treatment mainly utilizes the microbial inoculum of high protein enzyme, amylase, lipase and cellulase activity by kitchen Rubbish degradable Partial digestion is that water, carbon dioxide and organic matter, wherein water and carbon dioxide can be lost in air, finally may be used Reach kitchen loss of weight amount and reach more than 90%, be that changing food waste processes and realizes innoxious, minimizing, stabilisation and the one of resource Plant ideal processing method, there is preferable development prospect.The microbial bacterial agent of kitchen process efficiently sets with professional treatment Standby combination, changing food waste of can degrading efficiently, in time and rapidly, processing equipment can be placed on food and drink place, dining room, resident The place such as community and family, processes changing food waste efficiently, it is also possible to solve environmental protection and the food such as related land pollution, waste oil Problem, both environmental protection, healthy again.But, existing bioremediation efficiency is low, weak effect.
Summary of the invention
The first object of the present invention is to provide a kind of pediococcus acidilactici.
The second object of the present invention is the application providing this pediococcus acidilactici in changing food waste processes.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is: 1, a kind of pediococcus acidilactici, its classification Named pediococcus acidilactici (Pediococcus acidilactici) CY-10, is deposited in Chinese microorganism strain preservation management Committee's common micro-organisms center, address is Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3 Chinese Academy of Sciences's microbe research Institute, postcode is 100101, and deposit number is: CGMCC NO.12450, and preservation date is on May 13rd, 2016.
Above-mentioned pediococcus acidilactici is the application in changing food waste processes.
Present invention also offers a kind of rubbish from cooking biological treatment agent, including the pediococcus acidilactici being adsorbed on carrier (Pediococcus acidilactici) CY-10 and rubbish from cooking process bacterium.
As preferably, described pediococcus acidilactici (Pediococcus acidilactici) CY-10, rubbish from cooking process bacterium Gross mass and the mass ratio of carrier be (1~3): (10~15);Pediococcus acidilactici (Pediococcus acidilactici) It is (10~30) that CY-10 and rubbish from cooking process the mass ratio of bacterium: (70~90).
It is bacillus subtilis (Bacillus subtilis) CY-4 that described rubbish from cooking processes bacterium, and it is deposited in China Microbiological Culture Collection administration committee common micro-organisms center, address is Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3 China Institute of microbiology of academy of science, postcode is 100101, and deposit number is: CGMCC NO.12447, and preservation date is in May, 2016 13 days;Or being Bacillus licheniformis (Bacillus licheniformis) CY-1, it is deposited in Chinese microorganism strain and protects Hiding administration committee's common micro-organisms center, address is Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3 Chinese Academy of Sciences's microorganism Institute, postcode is 100101, and deposit number is: CGMCC NO.12448, and preservation date is on May 13rd, 2016;Or it is Candida glabrata (Candida glabrata) CY-9, it is the most micro-that it is deposited in China Committee for Culture Collection of Microorganisms Bio-Centers, address is Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3 Institute of Microorganism, Academia Sinica, and postcode is 100101, deposit number is: CGMCC NO.12449, and preservation date is on May 13rd, 2016.
Preferred as another kind, described carrier is mass ratio (5~10): (1~3): the wood flour of (1~3), bran powder and rice Shell.
Present invention also offers the preparation method of above-mentioned rubbish from cooking biological treatment agent, comprise the following steps:
(1) pediococcus acidilactici and rubbish from cooking are processed bacterium strain to rule respectively at MRS solid medium or LB culture medium Cultivate, in liquid fermentation medium shaking flask, then carry out seed culture obtain seed liquor, then seed liquor is inoculated in respectively Fermentation tank is cultivated, makes liquid microbe microbial inoculum;
(2) wood flour, bran powder and rice husk are mixed, obtain carrier material;
(3) by the liquid microbe microbial inoculum of step (1) and step (2) resulting vehicle material mixing, biological treatment agent is obtained.
In step (1), on MRS solid medium or LB culture medium, cultivation temperature is 30 DEG C, and incubation time is 24h;Liquid On fermentation medium, cultivation temperature is 30 DEG C, and incubation time is 24h, and shaking flask rotating speed is 130r/min;Fermentation tank is cultivated Condition is: temperature: 30 DEG C, mixing speed: 130r/min, pH=6.2~7.2, dissolved oxygen: 30%, tank pressure: 0.04MPa, cultivates Time 24h.
Present invention also offers the processing method of a kind of changing food waste, comprise the following steps:
(1) biological treatment agent described in any one of claim 3 to 5 is placed in datatron, preheats operation 6h, simultaneously Ventilate and stir;
(2) pending changing food waste is added in the datatron after prerun, be mixed into, with biological treatment agent, oxygen of acting charitably Fermentation, stirring of simultaneously ventilating.
In step (1), biological treatment agent addition is the 10~20% of datatron capacity;In step (2), aerobic fermentation temperature Spending 45~55 DEG C, fermentation time is 18~24h.
Beneficial effect: pediococcus acidilactici (Pediococcus acidilactici) CY-10 that the present invention provides has height Active protease, amylase, grease hydrolysis enzymatic activity, degraded glucose produces acid, has high-salt tolerance, acid proof Thermophilic Bacteria, This pediococcus acidilactici can be effectively improved the treatment effect of other rubbishes from cooking, and weight decrement potentiation reaches more than 5%.
The efficient fast and stable of processing method of the changing food waste of the present invention, high treating effect, can be family kitchen, dining room, Dining room and other profession service relevant with food processing, have good development prospect.
Accompanying drawing explanation
Fig. 1 is that pediococcus acidilactici (Pediococcus acidilactici) CY-10 grows figure in MRS culture medium;
Fig. 2 be pediococcus acidilactici (Pediococcus acidilactici) CY-10 be microgram under 100 times of mirrors;
Fig. 3 is that pediococcus acidilactici (Pediococcus acidilactici) CY-10 trains in the modified MRS containing 8%NaCl Support growth figure on base;
Fig. 4 is pediococcus acidilactici (Pediococcus acidilactici) CY-10 clark and Lubsreaction figure.
Detailed description of the invention
Pediococcus acidilactici of the present invention (Pediococcus acidilactici) CY-10 is elaborated below in conjunction with experimental example Application.
In the present invention,
LB solid culture based formulas: (tryptone 10g, yeast powder 5g, NaCl 10g, agar powder 15~20g, be settled to 1L, adjusts pH to 7.2 with NaOH.
MRS solid culture based formulas: tryptone 10g, Carnis Bovis seu Bubali cream 10g, NaCl 10g, yeast powder 5g, citric acid diamidogen 2g, glucose 20g, Tween 80 1mL, sodium acetate 5g, K2HPO42g, MgS04·7H2O 0.58g, manganese sulfate 0.25g, agar Powder 15~20g, is settled to 1L, adjusts pH 6.2~6.6.
Liquid fermentation medium formula: Semen Maydis powder 10g, analysis for soybean powder 5g, glucose 5g, peptone 2g, NaCl 1g, K2HPO41g, MgSO4·7H2O 0.2g, is settled to 1L, natural pH.
The separation screening of embodiment 1 pediococcus acidilactici (Pediococcus acidilactici) CY-10
The separation process of pediococcus acidilactici of the present invention (Pediococcus acidilactici) CY-10: weigh Changshu kind Plant little Fructus Lycopersici esculenti rhizosphere soil 10g, add in 90mL sterilized water, obtain 10-1Diluent, 130r/min in 30 DEG C of shaking tables, cultivate 2~ 3h, continuously adds sterilized water dilution, respectively obtains 10-5, 10-6, 10-7, 10-8Diluent, take the above-mentioned diluent of 200uL respectively Being coated with on MRS solid plate, cultivate 48h for 30 DEG C, picking list colony inoculation preserves in MRS culture medium slant.
The physiologically active feature of pediococcus acidilactici (Pediococcus acidilactici) CY-10 is as follows:
A, morphological characteristic: Gram’s staining is positive, thalline in pairs and tetrad arrange spherical, bacterium colony is in MRS solid Cultivating in culture medium, bacterium colony is little, and in canescence, rounded protuberance, smooth surface, neat in edge is smooth and opaque, does not have motion Property.With the addition of CaCO3Modified MRS solid medium on can produce dissolving circle;
B, physiological and biochemical property: catalase reaction for feminine gender, can glucose fermentation produce acid, not aerogenesis, have high-salt tolerance, Acid resistance, thermostability, produce the flavor substance of fermented food;
C, pediococcus acidilactici (Pediococcus acidilactici) CY-10 bacterial strain is entrusted the raw work biological engineering in Shanghai Limited company carries out 16S rDNA order-checking, carries out BLAST comparison in NCBI network address.Result shows and accession number GB_ The 16S rDNA sequence similarity of the Pediococcus acidilactici E2-Pa of K742817 reaches 100%, in conjunction with this bacterium The morphological characteristic of strain and physiological and biochemical analysis, be pediococcus acidilactici (Pediococcus acidilactici) by this identification of strains CY-10。
The physiological and biochemical test result of table 1 CY-10 bacterial strain
Note :+it is positive ,-negative
The separation screening of bacillus subtilis (Bacillus subtilis) CY-4
The separation process of bacillus subtilis of the present invention (Bacillus subtilis) CY-4: weigh the plantation of Jurong, Zhenjiang Fructus Vitis viniferae rhizosphere soil 10g, adds in 90mL sterilized water, obtains 10-1Diluent, 130r/min in 30 DEG C of shaking tables, cultivate 2~3h, Continuously add sterilized water dilution, respectively obtain 10-5, 10-6, 10-7, 10-8Diluent, take the above-mentioned diluent of 200uL respectively in LB Being coated with on flat board, cultivate 48h for 30 DEG C, picking list colony inoculation preserves in LB culture medium slant.
The physiologically active feature of bacillus subtilis (Bacillus subtilis) CY-4 is as follows:
A, morphological characteristic: Gram’s staining is positive, in shaft-like, has spore to produce, spore ovalize.Train at LB solid Supporting bacterium colony rough surface on base has fold opaque, and edge is irregular, and milky is to slightly yellow;
B, physiological and biochemical property: such as table 1 result, this bacillus subtilis can produce protease, amylase, fat hydrolase, Gelatinases etc., can grow at 55 DEG C, under 8%NaCl, pH=5.0;
C, sequencing result: bacillus subtilis (Bacillus subtilis) CY-4 bacterial strain is entrusted the raw work in Shanghai biological Engineering stock Co., Ltd carries out 16S rDNA order-checking, carries out BLAST comparison in NCBI network address.Result shows and accession number The 16S rDNA sequence similarity of the Bacillus subtilisbs-k1 of GB_GU045558 reaches 99%, in conjunction with this bacterial strain Morphological characteristic and physiological and biochemical analysis, be bacillus subtilis (Bacillus subtilis) by this identification of strains.
The physiological and biochemical test result of table 2 CY-4 bacterial strain
Note :+it is positive ,-it is negative
The separation screening of Bacillus licheniformis (Bacillus licheniformis) CY-1
The separation process of Bacillus licheniformis of the present invention (Bacillus licheniformis) CY-1: weigh Jiangning, Nanjing District's plantation Radix Raphani rhizosphere soil 10g, adds in 90mL sterilized water, obtains 10-1Diluent, 130r/min in 30 DEG C of shaking tables, cultivates 2 ~3h, continuously add sterilized water dilution, respectively obtain 10-5、10-6、10-7、10-8Diluent, take the above-mentioned dilution of 200ul respectively Liquid is coated with on LB flat board, cultivates 48h for 30 DEG C, and picking list colony inoculation preserves in LB culture medium slant.
The physiologically active feature of Bacillus licheniformis (Bacillus licheniformis) CY-1 is as follows:
A, morphological characteristic: Gram’s staining is positive, have spore to produce, spore ovalize, is positioned in the middle of thalline or slightly Partially;There is peritrichous, and movable;On LB solid medium, bacterium colony character is irregular, has wavy edge, rough surface Opaque, there is mucus;
B, physiological and biochemical property: can produce protease, amylase, fat hydrolase, gelatinase etc., can be at 55 DEG C, 10% Grow under NaCl, pH=5.0;
C, sequencing result: Bacillus licheniformis (Bacillus licheniformis) CY-1 bacterial strain is entrusted the raw work in Shanghai Biological engineering limited company carries out 16S rDNA order-checking, carries out BLAST comparison in NCBI network address.Result shows and logs in The 16S rDNA sequence similarity of the Bacillus licheniformis CQN-8 of number GB_KR347301 reaches 100%, in conjunction with The morphological characteristic of this bacterial strain and physiological and biochemical analysis, be Bacillus licheniformis (Bacillus by this identification of strains licheniformis)。
The physiological and biochemical test result of table 3 CY-1 bacterial strain
The separation screening of Candida glabrata (Candida glabrata) CY-9
The separation process of Candida glabrata of the present invention (Candida glabrata) CY-9: weigh Suqian plantation Fructus Solani melongenae root Border soil 10g, adds in 90mL sterilized water, obtains 10-1Diluent, 130r/min in 30 DEG C of shaking tables, cultivates 2~3h, continues to add Enter sterilized water dilution, respectively obtain 10-5, 10-6, 10-7, 10-8Diluent, take the above-mentioned diluent of 200uL respectively in MRS solid Being coated with on flat board, cultivate 48h for 30 DEG C, picking list colony inoculation preserves in MRS culture medium slant.
The physiologically active feature of Candida glabrata (Candida glabrata) CY-9 is as follows:
A, morphological characteristic: on MRS solid medium, bacterium colony is white to canescence, and surface smooths, corrugationless;Spore is Unicellular, colourless, ovalize or avette.Adding CaCO3Improvement solid medium on can produce dissolving circle.
B, physiological and biochemical property: be connected in Nodus Nelumbinis Rhizomatis shape with minimum space between thalline.
C, sequencing result: Candida glabrata (Candida glabrata) CY-9 bacterial strain is entrusted the raw work biology work in Shanghai Journey limited company carries out 26S rDNA order-checking, carries out BLAST comparison in NCBI network address.Result shows and accession number GB_ The 26S rDNA of the Candida glabrata 14/1/z-1 of KT933331, sequence similarity reaches 99%, in conjunction with this bacterial strain Morphological characteristic and physiological and biochemical analysis, be Candida glabrata (Candida glabrata) CY-9 by this identification of strains.
The physiological and biochemical test result of table 4 CY-9 bacterial strain
The preparation of embodiment 2 biological treatment agent containing pediococcus acidilactici microbial inoculum and with the application in changing food waste
Preparation containing pediococcus acidilactici biological treatment agent:
(1) by pediococcus acidilactici (Pediococcus acidilactici) CY-10 in MRS solid culture, 30 DEG C of trainings Support 24h;Being inoculated in fermented liquid shaking flask, 30 DEG C, under 130r/min, 24h is cultivated in concussion, forms seed liquor;
Seed liquor is inoculated in the compost in fermentation tank by the volume ratio of 1:400 and carries out fermenting and producing, fermentation tank Groundwork parameter be: temperature: 30-35 DEG C, mixing speed: 130r/min, pH=6.2~7.2, dissolved oxygen: 30%, tank Pressure: 0.04MPa;Terminating fermentation after fermentation 24h, then 6000r/min is centrifuged 10min, and the dilution of taking precipitate sterilized water is made Microbial inoculum;Detect in microbial inoculum the concentration of viable bacteria be 7.3 × 109CFU/mL;
In kind prepare bacillus subtilis (Bacillus subtilis) CY-4 microbial inoculum;
By pediococcus acidilactici and the bacillus subtilis mixing of mass ratio 20:80, obtain mixed microorganism microbial inoculum;
(2) wood flour, bran powder and rice husk are made carrier according to mass ratio 7:2:3;
(3) it is that 1:10 stirs after mixing and absorption in low temperature in machine according to the mass ratio of mixed microorganism microbial inoculum and carrier Condition (less than 45 DEG C) is dried, it is ensured that microbial inoculum moisture, about 10%, is biological treatment agent finished product.
Biological treatment agent is to weight decrement efficiency test after changing food waste process:
(1) composition of changing food waste: the remaining food in dining room, removes the bulk such as plastics or bone, hard part;
(2) biological treatment agent that said method prepares is applied to the process of changing food waste: preheat operation 6h, lead to simultaneously Wind stirs;Pending changing food waste 10kg is added in the datatron after prerun, be mixed into, with biological treatment agent, oxygen of acting charitably Fermentation, stirring of simultaneously ventilating;Biological treatment agent addition is 7.86kg, and aerobic fermentation temperature 45~5 DEG C of fermentation times are 24h, Constant ventilation, motor persistently rotates forward 5min, stops 60s, inverts 5min, stops 60s, and circulation performs.Test duration 5d, adds every day 10kg, feeds intake once every 24h;
(3) measuring changing food waste reduced training, computational methods are as follows:
Wherein, A is kitchen disposer weight and biological treatment agent gross weight (kg) before addition changing food waste;B is for adding kitchen Rubbish gross weight (kg);C is kitchen handling machine after processing and content gross weight (kg).
Matched group, does not include pediococcus acidilactici (Pediococcus acidilactici) in preparation method microbial bacterial agent CY-10:CY-4 process group: weighing the weight of datatron and biological treatment agent when not adding changing food waste is 128.05kg (A), every day Add 10kg changing food waste, put into 5d continuously, always put into 50kg (B), weigh datatron after 5d again and content gross weight is 133.01kg(C).After calculating processor operation 5d according to formula, changing food waste weight average decrement efficiency is 90.08%.
CY-4+CY-10 process group: weighing the weight of datatron and biological treatment agent when not adding changing food waste is 128.05kg (A), add 10kg changing food waste every day, put into 5d continuously, always put into 50kg (B), weigh datatron again after 5d and content is total It is heavily 130.16kg (C).After calculating processor operation 5d according to formula, changing food waste weight average decrement efficiency is 95.78%.
Weight decrement efficiency potentiation (%) is 5.70%.
The preparation of embodiment 3 biological treatment agent containing pediococcus acidilactici microbial inoculum and with the application in changing food waste
This embodiment is substantially the same manner as Example 2, the difference is that only: it is Bacillus licheniformis that rubbish from cooking processes bacterium (Bacillus licheniformis)CY-1;By pediococcus acidilactici and the Bacillus licheniformis mixing of mass ratio 25:75, obtain mixed Close microbial bacterial agent;The mass ratio of wood flour, bran powder and rice husk is 8:3:3;The mass ratio of microbial bacterial agent and carrier is 1:11.
Biological treatment agent is to weight decrement efficiency test after changing food waste process:
(1) composition of changing food waste: the remaining food in dining room, removes the bulk such as plastics or bone, hard part;
(2) biological treatment agent that said method prepares is applied to the process of changing food waste: preheat operation 6h, lead to simultaneously Wind stirs;Pending changing food waste 10kg is added in the datatron after prerun, be mixed into, with biological treatment agent, oxygen of acting charitably Fermentation, stirring of simultaneously ventilating;Biological treatment agent addition is 7.84kg, and aerobic fermentation temperature 45~55 DEG C of fermentation times are 24h, Constant ventilation, motor persistently rotates forward 5min, stops 60s, inverts 5min, stops 60s, and circulation performs;Test duration 10d, adds every day 10kg, feeds intake once every 24h;
(3) measuring changing food waste reduced training, computational methods are as follows:
Wherein, A is kitchen disposer weight and biological treatment agent gross weight (kg) before addition changing food waste;B is for adding kitchen Rubbish gross weight (kg);C is kitchen handling machine after processing and content gross weight (kg).
Matched group, does not include pediococcus acidilactici (Pediococcus acidilactici) in preparation method microbial bacterial agent CY-10, CY-1 process group: weighing the weight of datatron and biological treatment agent when not adding changing food waste is 128.85kg (A), every day Add 10kg changing food waste, put into 10d continuously, always put into 100kg (B), weigh datatron after 10d again and content gross weight is 142.53kg(C).After calculating processor operation 10d according to formula, changing food waste weight average decrement efficiency is 86.32%.
CY-1+CY-10 process group: weighing the weight of datatron and biological treatment agent when not adding changing food waste is 128.85kg (A), add 10kg changing food waste every day, put into 10d continuously, always put into 100kg (B), after 10d, weigh datatron and content again Gross weight is 135.67kg (C).After calculating processor operation 10d according to formula, changing food waste weight average decrement efficiency is 93.18%.
Weight decrement efficiency potentiation (%) is 6.86%.
The preparation of embodiment 4 biological treatment agent containing pediococcus acidilactici microbial inoculum and with the application in changing food waste
This embodiment is substantially the same manner as Example 2, the difference is that only: it is Candida glabrata that rubbish from cooking processes bacterium (Candida glabrata)CY-9;By pediococcus acidilactici and the Candida glabrata mixing of mass ratio 30:70, micro-life must be mixed Thing microbial inoculum;The mass ratio of wood flour, bran powder and rice husk is 8:1:3;The mass ratio of microbial bacterial agent and carrier is 2:15.
Biological treatment agent is to weight decrement efficiency test after changing food waste process:
(1) composition of changing food waste: the remaining food in dining room, removes the bulk such as plastics or bone, hard part;
(2) biological treatment agent that said method prepares is applied to the process of changing food waste: preheat operation 6h, lead to simultaneously Wind stirs;Pending changing food waste 10kg is added in the datatron after prerun, be mixed into, with biological treatment agent, oxygen of acting charitably Fermentation, stirring of simultaneously ventilating;Biological treatment agent addition is 8.98kg, and aerobic fermentation temperature 45~55 DEG C of fermentation times are 24h, Constant ventilation, motor persistently rotates forward 5min, stops 60s, inverts 5min, stops 60s, and circulation performs;Test duration 15d, adds every day 10kg, feeds intake once every 24h;
(3) measuring changing food waste reduced training, computational methods are as follows:
Wherein, A is kitchen disposer weight and biological treatment agent gross weight (kg) before addition changing food waste;B is for adding kitchen Rubbish gross weight (kg);C is kitchen handling machine after processing and content gross weight (kg).
Matched group, does not include pediococcus acidilactici (Pediococcus acidilactici) in preparation method microbial bacterial agent CY-10, CY-9 process group: weighing the weight of datatron and biological treatment agent when not adding changing food waste is 128.98kg (A), every day Add 10kg changing food waste, put into 15d continuously, always put into 150kg (B), weigh datatron after 15d again and content gross weight is 150.34kg(C).After calculating processor operation 15d according to formula, changing food waste weight average decrement efficiency is 85.75%.
CY-9+CY-10 process group: weighing the weight of datatron and biological treatment agent when not adding changing food waste is 128.98kg (A), add 10kg changing food waste every day, put into 15d continuously, always put into 150kg (B), after 15d, weigh datatron and content again Gross weight is 137.89kg (C).After calculating processor operation 15d according to formula, changing food waste weight average decrement efficiency is 94.06%.
Weight decrement efficiency potentiation (%) is 8.31%.
The preparation of embodiment 5 biological treatment agent containing pediococcus acidilactici microbial inoculum and with the application in changing food waste
This embodiment is substantially the same manner as Example 2, the difference is that only: by the pediococcus acidilactici of mass ratio 10:90 and Bacillus subtilis mixes, and obtains mixed microorganism microbial inoculum;The mass ratio of wood flour, bran powder and rice husk is 5:1:3;Microbial bacterial agent and The mass ratio of carrier is 1:15.
Biological treatment agent is to weight decrement efficiency test after changing food waste process:
(1) composition of changing food waste: the remaining food in dining room, removes the bulk such as plastics or bone, hard part;
(2) biological treatment agent that said method prepares is applied to the process of changing food waste: preheat operation 6h, lead to simultaneously Wind stirs;Pending changing food waste 10kg is added in the datatron (inorganic agent capacity is 100kg) after prerun, with biology Inorganic agent is mixed into aerobe fermentation of acting charitably, stirring of simultaneously ventilating;Biological treatment agent addition is 6.93kg, aerobic fermentation temperature 45 C Fermentation time is 24h, constant ventilation, and motor persistently rotates forward 5min, stops 60s, inverts 5min, stops 60s, and circulation performs;Test is held Continuous 7d, adds 10kg, feed intake once every 24h every day;
CY-4 matched group, after calculating processor operation 7d according to formula, changing food waste weight average decrement efficiency is 89.02%;CY-4+CY-10 process group;Changing food waste weight average decrement efficiency after processor operation 7d is calculated according to formula It is 95.16%;
Weight decrement efficiency potentiation (%) is 6.14%.
The preparation of embodiment 6 biological treatment agent containing pediococcus acidilactici microbial inoculum and with the application in changing food waste
This embodiment is substantially the same manner as Example 2, the difference is that only: by the pediococcus acidilactici of mass ratio 30:70 and Bacillus subtilis mixes, and obtains mixed microorganism microbial inoculum;The mass ratio of wood flour, bran powder and rice husk be 10:3:1 microbial bacterial agent and The mass ratio of carrier is 3:10.
Biological treatment agent is to weight decrement efficiency test after changing food waste process:
(1) composition of changing food waste: the remaining food in dining room, removes the bulk such as plastics or bone, hard part;
(2) biological treatment agent that said method prepares is applied to the process of changing food waste: preheat operation 6h, lead to simultaneously Wind stirs;Pending changing food waste 20kg is added in the datatron (inorganic agent capacity is 100kg) after prerun, with biology Inorganic agent is mixed into aerobe fermentation of acting charitably, stirring of simultaneously ventilating;Biological treatment agent addition is 7.23kg, aerobic fermentation temperature 55 DEG C Fermentation time is 18h, constant ventilation, and motor persistently rotates forward 5min, stops 60s, inverts 5min, stops 60s, and circulation performs;Test is held Continuous 14d, adds 10kg, feed intake once every 24h every day;
CY-4 matched group, after calculating processor operation 14d according to formula, changing food waste weight average decrement efficiency is 89.36%;CY-4+CY-10 process group;After calculating processor operation 14d according to formula, changing food waste weight average decrement is imitated Rate is 96.02%;
Weight decrement efficiency potentiation (%) is 6.66%.
The preparation of embodiment 7 biological treatment agent containing pediococcus acidilactici microbial inoculum and with the application in changing food waste
This embodiment is substantially the same manner as Example 2, the difference is that only: by the pediococcus acidilactici of mass ratio 20:80 and Bacillus subtilis mixes, and obtains mixed microorganism microbial inoculum;The mass ratio of wood flour, bran powder and rice husk is 7:2:2;Microbial bacterial agent and The mass ratio of carrier is 2:13.
Biological treatment agent is to weight decrement efficiency test after changing food waste process:
(1) composition of changing food waste: the remaining food in dining room, removes the bulk such as plastics or bone, hard part;
(2) biological treatment agent that said method prepares is applied to the process of changing food waste: preheat operation 6h, lead to simultaneously Wind stirs;Pending changing food waste 10kg is added in the datatron (inorganic agent capacity is 100kg) after prerun, with biology Inorganic agent is mixed into aerobe fermentation of acting charitably, stirring of simultaneously ventilating;Biological treatment agent addition is 7.88kg, aerobic fermentation temperature 50 C Fermentation time is 24h, constant ventilation, and motor persistently rotates forward 5min, stops 60s, inverts 5min, stops 60s, and circulation performs;Test is held Continuous 24d, adds 10kg, feed intake once every 24h every day;
Matched group, after calculating processor operation 21d according to formula, changing food waste weight average decrement efficiency is 89.97%;CY-4+Cl-8 process group;Changing food waste weight average decrement efficiency after processor operation 21d is calculated according to formula It is 95.89%;
Weight decrement efficiency potentiation (%) is 5.92%.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, under the premise of not departing from the present invention, it is also possible to make some improvement and modification, these improve and modification is also considered as this Bright protection domain.

Claims (9)

1. a pediococcus acidilactici, its Classification And Nomenclature is pediococcus acidilactici (Pediococcus acidilactici) CY-10, protects Ensconcing China Committee for Culture Collection of Microorganisms's common micro-organisms center, address is BeiChen West Road, Chaoyang District, BeiJing City 1 No. 3 Institute of Microorganism, Academia Sinica of institute, postcode is 100101, and deposit number is: CGMCC NO.12450, and preservation date is On May 13rd, 2016.
2. the application in changing food waste processes of the pediococcus acidilactici described in claim 1.
3. a rubbish from cooking biological treatment agent, it is characterised in that: include the pediococcus acidilactici being adsorbed on carrier (Pediococcus acidilactici) CY-10 and rubbish from cooking process bacterium.
4. rubbish from cooking biological treatment agent as claimed in claim 3, it is characterised in that: described pediococcus acidilactici (Pediococcus acidilactici) CY-10, rubbish from cooking process the gross mass of bacterium and the mass ratio of carrier is (1~3): (10~15);Pediococcus acidilactici (Pediococcus acidilactici) CY-10 and rubbish from cooking process the mass ratio of bacterium (10~30): (70~90);It is bacillus subtilis (Bacillus subtilis) CY-4 that described rubbish from cooking processes bacterium, its Being deposited in China Committee for Culture Collection of Microorganisms's common micro-organisms center, address is BeiChen West Road, Chaoyang District, BeiJing City 1 Number No. 3 Institute of Microorganism, Academia Sinica of institute, postcode is 100101, and deposit number is: CGMCC NO.12447, preservation date It it is on May 13rd, 2016;Or being Bacillus licheniformis (Bacillus licheniformis) CY-1, it is micro-that it is deposited in China Biological inoculum preservation administration committee's common micro-organisms center, address is the Chinese section in Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3 Institute of microbiology of institute, postcode is 100101, and deposit number is: CGMCC NO.12448, and preservation date is May 13 in 2016 Day;Or being Candida glabrata (Candida glabrata) CY-9, it is deposited in Chinese microorganism strain preservation management and entrusts Member's meeting common micro-organisms center, address is Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3 Institute of Microorganism, Academia Sinica, Postcode is 100101, and deposit number is: CGMCC NO.12449, and preservation date is on May 13rd, 2016.
5. rubbish from cooking biological treatment agent as claimed in claim 3, it is characterised in that: described carrier is mass ratio (5~10): (1~3): the wood flour of (1~3), bran powder and rice husk.
6. the preparation method of the rubbish from cooking biological treatment agent described in any one of claim 3 to 5, it is characterised in that: include with Lower step:
(1) pediococcus acidilactici and rubbish from cooking are processed bacterium strain streak culture respectively at MRS solid medium or LB culture medium, Then in liquid fermentation medium shaking flask, carry out seed culture obtain seed liquor, then seed liquor is inoculated in respectively fermentation tank Middle cultivation, makes liquid microbe microbial inoculum;
(2) wood flour, bran powder and rice husk are mixed, obtain carrier material;
(3) by the liquid microbe microbial inoculum of step (1) and step (2) resulting vehicle material mixing, biological treatment agent is obtained.
7. the preparation method of rubbish from cooking biological treatment agent as claimed in claim 6, it is characterised in that: in step (1), MRS On solid medium or LB culture medium, cultivation temperature is 30 DEG C, and incubation time is 24h;On liquid fermentation medium, cultivation temperature is 30 DEG C, incubation time is 24h, and shaking flask rotating speed is 130r/min;Cultivating condition of culture in fermentation tank is: temperature: 30 DEG C, stirring speed Degree: 130r/min, pH=6.2~7.2, dissolved oxygen: 30%, tank pressure: 0.04MPa, incubation time 24h.
8. the processing method of a changing food waste, it is characterised in that: comprise the following steps:
(1) biological treatment agent described in any one of claim 3 to 5 is placed in datatron, preheats operation 6h, ventilate simultaneously Stirring;
(2) pending changing food waste is added in the datatron after prerun, is mixed into, with biological treatment agent, aerobe fermentation of acting charitably, Ventilate stirring simultaneously.
The processing method of a kind of changing food waste the most according to claim 8, it is characterised in that: in step (1), biological treatment Agent addition is the 10~20% of datatron capacity;In step (2), aerobic fermentation temperature 45~55 DEG C, fermentation time be 18~ 24h。
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