WO2007077959A1 - 乾燥微生物菌体の製造方法 - Google Patents
乾燥微生物菌体の製造方法 Download PDFInfo
- Publication number
- WO2007077959A1 WO2007077959A1 PCT/JP2006/326361 JP2006326361W WO2007077959A1 WO 2007077959 A1 WO2007077959 A1 WO 2007077959A1 JP 2006326361 W JP2006326361 W JP 2006326361W WO 2007077959 A1 WO2007077959 A1 WO 2007077959A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seconds
- dried
- protein
- microbial cell
- microbial cells
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/005—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor after treatment of microbial biomass not covered by C12N1/02 - C12N1/08
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/10—Shaping or working-up of animal feeding-stuffs by agglomeration; by granulation, e.g. making powders
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/20—Shaping or working-up of animal feeding-stuffs by moulding, e.g. making cakes or briquettes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/25—Shaping or working-up of animal feeding-stuffs by extrusion
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/10—Feeding-stuffs specially adapted for particular animals for ruminants
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/04—Alpha- or beta- amino acids
- C12P13/08—Lysine; Diaminopimelic acid; Threonine; Valine
Definitions
- the present invention relates to a method for producing dried microbial cells by heat-treating microbial cells such as various fermented cells and activated sludge without degrading the quality.
- the microbial cells in the fermentation broth are concentrated by membrane filtration or a centrifugal separator, and the obtained microbial cell body fluid is sprayed into a fluid dryer to dry.
- Patent Document 1 Japanese Laid-Open Patent Publication No. 5-1 2 3 1 6 5
- a suspension of amino acid-fermenting bacteria is dried using a rotary disk evaporator, and then a sealed dryer is used.
- a further drying method is disclosed. This is flaked to improve the handling of dry microbial cells, which were conventionally fine powder, and both are heated at high temperature for 1 hour or more using steam in both stages of drying. . Disclosure of the invention
- the present inventors have intensively studied to produce these dry microbial cells by an inexpensive heat treatment method that solves these problems and does not deteriorate the quality of the microbial cells, and that does not have a problem of pulverization. did.
- the raw material is continuously put on a screw that can be mixed, kneaded, and heated while the raw material is quickly conveyed using an extruder, and the raw material temperature in the screw is extremely high (20 0 ⁇ 4 5 0 ° C) under the moment ( ⁇ 30 seconds)
- the treatment was performed in the hot state. Specifically, the raw material is heated quickly with a temperature gradient from the inlet, and is quickly conveyed in the screw.
- the raw material that has reached the screw outlet is kept in the atmosphere (1 atm) without applying pressure. Ultra high temperature instantaneous heating was performed by the release method.
- the important point in this heat treatment is to open the system without attaching the die (opening adjustment valve) at the tip of the Ex-Luder screw so that pressure is not applied to the heated raw material at the outlet tip. There is. As a result, for the first time, it is possible to achieve heating at such an ultra-high temperature (20 to 4 to 5 (TC) (1 to 30 seconds).
- a screw (opening adjustment valve) is attached to the screw outlet, and the heated raw material passes through the slit to adjust the tip pressure and residence time for sterilization, but pressure is applied to the tip.
- the residence time is long, and when heated under an extremely high temperature (2 00 to 45 ° C.), the microbial cell protein is almost burnt and cannot function as a protein at all.
- the present invention has been made on the basis of these findings.
- Microbial cells are fed into an excavator and the product temperature is set at 200 to 45 ° C.
- the present invention provides a method for producing dried microbial cells characterized by heat treatment for 1 to 30 seconds.
- the heat treatment method according to the present invention can solve many problems so far, and thus can be said to be a very effective drying method with merit.
- the apparatus used for the manufacturing method of the present invention is not particularly limited.
- An apparatus that can be heat-treated at a predetermined temperature and given a predetermined heating time can be used.
- An example of a realistic apparatus is an EX-RUDER.
- the X-Luder is not limited as long as it can be heated to 200 to 450 ° C, and a commercially available product can be used as it is or after being modified.
- microbial cells are heated at about 200 to 450 ° C. for about 1 to 30 seconds, but the temperature of 200 to 450 ° C. is strictly the product temperature.
- a preferable heating temperature is about 250 to 400 ° C (product temperature), more preferably 250 ° C to 370 ° C, and particularly preferably 280 ° C to 350 ° C.
- the preferable heating time is about 1 to 20 seconds, more preferably 5 seconds to 15 seconds, and particularly preferably about 2 to 10 seconds.
- the heating time can be controlled by adjusting the heater mounted on the extruder, and the heating time can be controlled by adjusting the microbial cell charging speed and the screw rotation speed.
- the microbial cell used as a raw material in the present invention is a fermentation of various amino acids such as glutamic acid, glutamine, lysine, arginine, phenylalanin, threninin, etc. orynebacteri um g I utamic um, Escherichiaco I i, etc.) Fermented cells grown in order to perform fermentation cells and various nucleic acid fermentations such as inosine, guanosine (B ac ⁇ II ussubti I is, etc.) These include bacteria and activated sludge bacteria. However, other microbial cells such as general bacteria, mold, and yeast can be heat-dried, and the microorganism is not particularly specified.
- various amino acids such as glutamic acid, glutamine, lysine, arginine, phenylalanin, threninin, etc. orynebacteri um g I utamic um, Escherichiaco I i, etc.
- Fermentative microbial cells grown in these fermentation processes can usually be made more efficient by using as a raw material what is concentrated and dehydrated by membrane filtration and centrifugation of the fermentation process and using a pressure filter. Heat drying is possible.
- the moisture content of microbial cells before heating as a raw material is 20-90% (10-80% in solid content), preferably 40-60% (40-60% in solid content) It is.
- the dried microbial cells obtained by the heat treatment method of the present invention have different moisture contents. It is possible to change the shape. That is, if the water content is less than about 5%, it is powdery, if it is about 5-15%, it is granular,
- the collected supernatant is further filtered through a 0.45 m cellulose acetate (manufactured by Toyo Roshi Kaisha, Ltd.), and the resulting filtrate is dissolved in a water-soluble protein.
- WS P water-soluble protein
- the total amount of the residue was used as a sample for measuring solubilized protein by digestive enzyme (pepsin).
- pepsin solubilized protein by digestive enzyme
- the protein content P 1 (%) was determined from the general formula (1) from the total nitrogen amount N 1 (%) in the heat-treated sample by measuring the total nitrogen amount in the microorganism cells.
- I S P (g) P 1 (g) — WS P (g)
- the index item [A] is expressed as the ratio of ISP and WSP.
- Indicator item [A] (gZg) ISP ( g ) ZWS P (g) (4) [001 8]
- Escherichiaco I WC 1 96 strain (Escherichiaco I i AJ 1 3069 strain, which is a lysine-producing bacterium) Patented Biological Depositary Center, Jiju National Research Institute, deposited with FERMP-1 1 4690 at 1-chome, 1-chome, 1-chome, Tsukuba City, Ibaraki, Japan 305-85 66 Transferred to an international deposit based on the Budapest Treaty on the 29th, and fermented microorganisms in the fermentation process obtained by culturing the accession number FE RM BP-5252) (1 20 ° C, 3 After that, the lysine-producing bacteria were concentrated by ordinary membrane filtration and centrifugation to obtain a lysine bacterium body weight solution (solid content 20%) having a water content of 80%.
- dehydration was performed from the obtained body fluid of lysin bacteria with a water content of 80% by means of a press filter to obtain a microbial cell cake with a water content of 60%.
- the residence time was 25 minutes, and dried microbial cells with a moisture content of 5.2% were obtained (Test Zone 1).
- the microbial cell weight liquid with a water content of 80% and the microbial cell cake with a water content of 60% thus obtained were each subjected to a heat drying treatment with an extruder.
- the heating time is 15 seconds at 300 ° C (test zone 3), 1 0 seconds (test zone 4), 5 seconds (test zone 5), product temperature 400 ° C for 7 seconds (test zone 6), product temperature 250 ° C for 20 seconds (test zone 7)
- test zone 3 the heating zone 3
- Test zone 4 the heating zone 5
- test zone 5 the heating zone 5
- test zone 6 the heating zone 5
- test zone 7 the heating time was performed extremely efficiently.
- Test Zone 1 shows the results of quality evaluation of dried gin fermented microorganisms.
- Lysine cells (5.0 g) were heat-treated in 6 N-hydrochloric acid at 103 ° C. for 24 hours, and the released lysine was analyzed using an amino acid analyzer.
- the dried microbial cells obtained by the heat drying method according to the present invention have almost no coloration and no decrease in lysine in the microbial cell proteins.
- the dried microbial cells obtained are granular and have never deteriorated the working environment due to fine powder, so they are easy to handle on site.
- the residence time of heating is as short as 15 seconds, which is 1 / 100th that of the fluidized drying method. Therefore, since the productivity of heat drying is extremely high, a product can be obtained at a low cost.
- the heating time is 15 seconds (test zone 9), the product temperature is 200 ° C and the heating time is 5 seconds (test zone 10), the heating time is 250 ° C and the heating time is 15 seconds (test zone 1 1), Heating time is 5 seconds at the product temperature of 250 ° C (test zone 1 2), heating time is 15 seconds at the product temperature of 350 ° C (test zone 1 3), and heating time is 5 seconds at the product temperature of 350 ° C.
- Test zone 1 4 product temperature 400 ° C and heating time 1 5 Second (test zone 15), product temperature 400 ° C and heating time 5 seconds (test zone 16)
- Table 2 shows the results of the evaluation of [A] ⁇ [B].
- the [ ⁇ ] value which is a parameter indicating the digestibility of the dry microbial cell protein obtained by the heat treatment method according to the present invention, is the dry microbial fungus obtained by the conventional drying method. It was improved in most test plots compared to body protein. Therefore, the quality of the microbial cell protein was improved simultaneously with the drying of the microbial cell, and it was confirmed that the dried microbial cell protein obtained by the heat treatment method according to the present invention is effective as a feed additive. It was.
- the dried microbial cells obtained in the present invention have little protein alteration and can be used as feed additives and the like.
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Wood Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- Microbiology (AREA)
- Food Science & Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Tropical Medicine & Parasitology (AREA)
- Virology (AREA)
- Animal Husbandry (AREA)
- Molecular Biology (AREA)
- Physiology (AREA)
- Sustainable Development (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Birds (AREA)
- Fodder In General (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0620775-8A BRPI0620775A2 (pt) | 2005-12-28 | 2006-12-27 | mÉtodo para reproduzir cÉlulas microbianas secas |
CN200680049081.8A CN101346460B (zh) | 2005-12-28 | 2006-12-27 | 干燥微生物菌体的制造方法 |
KR1020087015836A KR101336680B1 (ko) | 2005-12-28 | 2006-12-27 | 건조 미생물 균체의 제조방법 |
AU2006334054A AU2006334054B2 (en) | 2005-12-28 | 2006-12-27 | Method for production of dried microorganism cell |
EP06843732A EP1970437A4 (en) | 2005-12-28 | 2006-12-27 | PROCESS FOR PRODUCING A DESHYDRATED MICROORGANISM CELL |
US12/147,677 US8399038B2 (en) | 2005-12-28 | 2008-06-27 | Method for producing dried microbial cells |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005378818 | 2005-12-28 | ||
JP2005-378818 | 2005-12-28 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/147,677 Continuation US8399038B2 (en) | 2005-12-28 | 2008-06-27 | Method for producing dried microbial cells |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007077959A1 true WO2007077959A1 (ja) | 2007-07-12 |
Family
ID=38228301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/326361 WO2007077959A1 (ja) | 2005-12-28 | 2006-12-27 | 乾燥微生物菌体の製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8399038B2 (ja) |
EP (1) | EP1970437A4 (ja) |
KR (1) | KR101336680B1 (ja) |
CN (1) | CN101346460B (ja) |
AU (1) | AU2006334054B2 (ja) |
BR (1) | BRPI0620775A2 (ja) |
WO (1) | WO2007077959A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2711013A4 (en) * | 2011-05-18 | 2015-03-04 | Ajinomoto Kk | IMMUNSTIMULANDS FOR ANIMALS, FEED THEREFOR AND MANUFACTURING PROCESS THEREFOR |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05123165A (ja) | 1991-11-08 | 1993-05-21 | Ajinomoto Co Inc | アミノ酸生産微生物菌体懸濁液の脱水・乾燥方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3843807A (en) * | 1970-06-19 | 1974-10-22 | Standard Oil Co | Texturizing process for single-cell protein |
SE7605616L (sv) * | 1975-06-16 | 1976-12-17 | Du Pont | Forfaringssett for dielektrisk torkning av svampmaterial |
DE3322120A1 (de) * | 1982-07-30 | 1984-02-02 | The Upjohn Co., 49001 Kalamazoo, Mich. | Verfahren zur umwandlung von 1,2-gesaettigten 3-ketosteroiden in 1,2-dehydrosteroide |
US4601986A (en) * | 1983-07-29 | 1986-07-22 | Phillips Petroleum Company | Protein product of reduced nucleic acid content and low allergenicity |
KR890003293A (ko) * | 1987-08-19 | 1989-04-14 | 홍연석 | 미생물 균체를 이용한 사료의 제조방법 |
ATE303726T1 (de) * | 1995-05-30 | 2005-09-15 | Suntory Ltd | Hühnereier mit einem hohen anteil an mehrfach ungesättigten fettsäuren, verfahren für deren herstellung und die verwendung derselben |
US20030143659A1 (en) * | 1996-03-28 | 2003-07-31 | Hendrik Louis Bijl | Process for the preparation of a granular microbial biomass and isolation of a compound thereform |
JP4463347B2 (ja) * | 1999-09-30 | 2010-05-19 | 新日本石油株式会社 | 飼料添加用色素含有物 |
JP3363438B2 (ja) * | 2000-05-02 | 2003-01-08 | ビオフェルミン製薬株式会社 | 噴霧乾燥による菌体乾燥物 |
JP4513377B2 (ja) | 2004-03-29 | 2010-07-28 | 味の素株式会社 | 変異型チロシンリプレッサー遺伝子とその利用 |
-
2006
- 2006-12-27 WO PCT/JP2006/326361 patent/WO2007077959A1/ja active Application Filing
- 2006-12-27 AU AU2006334054A patent/AU2006334054B2/en not_active Ceased
- 2006-12-27 EP EP06843732A patent/EP1970437A4/en not_active Withdrawn
- 2006-12-27 BR BRPI0620775-8A patent/BRPI0620775A2/pt not_active IP Right Cessation
- 2006-12-27 CN CN200680049081.8A patent/CN101346460B/zh not_active Expired - Fee Related
- 2006-12-27 KR KR1020087015836A patent/KR101336680B1/ko not_active IP Right Cessation
-
2008
- 2008-06-27 US US12/147,677 patent/US8399038B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05123165A (ja) | 1991-11-08 | 1993-05-21 | Ajinomoto Co Inc | アミノ酸生産微生物菌体懸濁液の脱水・乾燥方法 |
Non-Patent Citations (2)
Title |
---|
MIKI W. ET AL.: "Carotenoid composition of Spirulina maxima", BULLETIN OF THE JAPANESE SOCIETY OF SCIENTIFIC FISHERIES, vol. 52, no. 7, 1986, pages 1225 - 1227, XP003015318 * |
See also references of EP1970437A4 |
Also Published As
Publication number | Publication date |
---|---|
KR101336680B1 (ko) | 2013-12-04 |
CN101346460A (zh) | 2009-01-14 |
CN101346460B (zh) | 2014-05-07 |
EP1970437A4 (en) | 2010-04-14 |
AU2006334054B2 (en) | 2012-11-01 |
BRPI0620775A2 (pt) | 2012-07-24 |
KR20080081162A (ko) | 2008-09-08 |
US20080292762A1 (en) | 2008-11-27 |
US8399038B2 (en) | 2013-03-19 |
EP1970437A1 (en) | 2008-09-17 |
AU2006334054A1 (en) | 2007-07-12 |
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