WO2010043558A1 - Herstellung und verwendung von methionylmethionin als futtermitteladditiv für fische und krustentiere - Google Patents
Herstellung und verwendung von methionylmethionin als futtermitteladditiv für fische und krustentiere Download PDFInfo
- Publication number
- WO2010043558A1 WO2010043558A1 PCT/EP2009/063160 EP2009063160W WO2010043558A1 WO 2010043558 A1 WO2010043558 A1 WO 2010043558A1 EP 2009063160 W EP2009063160 W EP 2009063160W WO 2010043558 A1 WO2010043558 A1 WO 2010043558A1
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- WO
- WIPO (PCT)
- Prior art keywords
- methionine
- methionylmethionine
- reaction
- methionyl
- acid
- Prior art date
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- AYFVYJQAPQTCCC-GBXIJSLDSA-N L-threonine Chemical compound C[C@@H](O)[C@H](N)C(O)=O AYFVYJQAPQTCCC-GBXIJSLDSA-N 0.000 description 1
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- 241000286209 Phasianidae Species 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
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- 241001085205 Prenanthella exigua Species 0.000 description 1
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- MTCFGRXMJLQNBG-UHFFFAOYSA-N Serine Natural products OCC(N)C(O)=O MTCFGRXMJLQNBG-UHFFFAOYSA-N 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
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- FEMOMIGRRWSMCU-UHFFFAOYSA-N ninhydrin Chemical compound C1=CC=C2C(=O)C(O)(O)C(=O)C2=C1 FEMOMIGRRWSMCU-UHFFFAOYSA-N 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
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- 229960002195 perazine Drugs 0.000 description 1
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/06—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members
- C07D241/08—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
-
- 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
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
- C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/06—Dipeptides
- C07K5/06008—Dipeptides with the first amino acid being neutral
- C07K5/06017—Dipeptides with the first amino acid being neutral and aliphatic
- C07K5/0606—Dipeptides with the first amino acid being neutral and aliphatic the side chain containing heteroatoms not provided for by C07K5/06086 - C07K5/06139, e.g. Ser, Met, Cys, Thr
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Definitions
- the present invention relates to novel chemical syntheses of methionyl methionine, the dipeptide of methionine, and its specific use as a feed additive alone or in admixture with methionine for the nutrition of fish and crustaceans.
- Essential amino acids such as methionine, lysine or threonine
- EAA Essential amino acids
- the supplementation of natural protein sources, e.g. Soya, maize and wheat with EAAs enable faster animal growth and higher milk production in high-performance dairy cows, as well as more efficient utilization of the feed. This represents a huge economic advantage.
- the markets for feed additives are of great industrial and economic importance. In addition, they are strong growth markets, not least due to the increasing importance of countries such as China and India.
- L-methionine ((5) -2-amino-4-methylthiobutyric acid) is the first limiting amino acid for many animal species such as chickens, ducks, turkeys and also many fish and shellfish species and therefore plays a very important role in animal nutrition and as a feed additive important role (rose Berg et al. , J. Agr. Food Chem. 1957, 5, 694-700 and Lovell, TR, J. Anim. Be. 1991, 69, 4193-4200).
- methionine is a racemate, a 50:50 mixture of D- and L-methionine.
- this racemic DL-methionine can be used directly as a feed additive, since in some species under in vivo conditions a conversion mechanism exists that converts the unnatural D-enantiomer of methionine to the natural L-enantiomer.
- the D-methionine is first deaminated with the aid of a non-specific D-oxidase to ⁇ -keto-methionine and then further converted with an L-transaminase to L-methionine (Baker, DH in "Amino acids in farm animal nutrition", D ' Mello, JPF (ed.), Wallingford (UK), CAB International, 1994, 37-61), which increases the amount of L-methionine available in the organism, which can then be made available to the animal for growth D- to L-methionine was found in chickens, pigs and cows, but especially in carnivorous and omnivorous fish, as well as in shrimp and prawns, for example Sveier et al.
- Plasma which can lead to the asynchronicity of the simultaneous availability of all important amino acids.
- some of the highly concentrated amino acids are rapidly excreted or rapidly metabolized in the organism and used, for example, as a pure source of energy.
- there is little or no growth in the use of crystalline amino acids in carp Feed additives (Aoe et al., Bull. Jap. Soc. Sci. Fish. 1970, 36, 407-413).
- the supplementation of crystalline amino acids may lead to further problems.
- the effective delivery of fish and shellfish kept in aquaculture thus requires, for certain species and applications, a specific product form of methionine, e.g. a suitably chemically or physically protected methionine.
- a specific product form of methionine e.g. a suitably chemically or physically protected methionine.
- the goal here is firstly that the product remains sufficiently stable during feeding in the aqueous environment and is not dissolved out of the feed.
- the methionine product finally absorbed by the animal can be optimally and efficiently utilized in the animal organism.
- WO8906497 describes the use of di- and tripeptides as a feed additive for fish and shellfish. This should promote the growth of the animals. Di- and tripeptides from nonessential and therefore not limiting amino acids such as glycine, alanine and serine were preferred. As methionine-containing dipeptides, only DL-alanyl-DL-methionine and DL-methionyl-DL-glycine have been described. As a result, however, only effectively 50% active ingredient (mol / mol) are contained in the dipeptide. points is to be classified as very disadvantageous.
- WO02088667 the enantioselective synthesis and application of oligomers of MHA and amino acids such as methionine as feed additives, including for fish and krus- tteniere described. This is to a faster growth can be achieved.
- the oligomers described are built up by an enzyme-catalyzed reaction and have a very broad distribution of the chain length of the individual oligomers. This makes the process unselective, expensive and expensive to carry out and purify.
- Dabrowski et al. describes in US20030099689 the use of synthetic peptides as feed additives for growth promotion for aquatic animals. The peptides may account for 6-50% by weight of the total feed formulation.
- the synthetic peptides preferably consist of essential and limiting amino acids.
- the synthesis of such synthetic oligo- and polypeptides is very complicated, expensive and difficult to realize on an industrial scale.
- the efficacy of polypeptides of a single amino acid is controversial, as these are often converted only very slowly or not at all under physiological conditions to free amino acids.
- Baker et al. J. Nutr., 1982, 112, 1130-1132
- poly-L-methionine because of the absolute insolubility in water, has no organic value in chickens, since absorption from the organism is not possible.
- the surface coating of the finished coated methionine can be easily damaged by mechanical stress and abrasion during feed processing, which can lead to the reduction or even complete loss of physical protection.
- the content of methionine is reduced by a coating or use of a matrix substance and thus often becomes uneconomical.
- a general task was to provide a feed or feed additive for animal nutrition based on a new methionine substitute, which can be used alone or as a mixture with methionine, especially in the field of industrial fish and crustacean farming in aquaculture. At the same time, a simple and cost-effective chemical synthesis of this new methionine substitute should be developed.
- the main object was to provide a chemically protected methionine product for various omni-, herbi- and carnivorous fish and crustacean species living in salt or fresh water.
- this product should have a low solubility (leaching) from the total feed pellet or extrudate in the water and have a "slow release” mechanism, ie a slow and continuous release of free methionine under physiological conditions Mixture with DL-methionine can be used advantageously.
- a further object was to find a methionine substitute as feed or a feed additive with a very high biopower rating, which is easy to handle and storable and stable under the usual conditions. conditions of compound feed processing, especially pelleting and extrusion.
- the fish and crustaceans should be provided with a further efficient source of methionine which, if possible, does not have the disadvantages of the known products or only to a reduced extent.
- DL-methionyl-DL-methionine methionylmethionine
- typical by-products and by-products from the technical DL-methionine production process can be used as starting material.
- a suitable method for the separation of diastereomeric pairs DD / LL and DL / LD-methionylmethionine should be developed, so that for special applications also an optimal and effective use of only one pair of diastereomers (DD / LL-I or DL / LD-I) possible is.
- the object is achieved by the use of DL-methionyl-DL-methionine and its salts as a feed additive in feed mixtures for animals kept in aquaculture.
- the feed mixture contains 0.01 to 5 wt .-%, preferably 0.05 to 0.5 wt .-% DL-methionyl-DL-methionine contains.
- DL-methionyl-DL-methionine has proven to be particularly advantageous because the compound has an excellent leaching behavior due to the low solubility of the mixture of DD / LL / DL / LD-
- DL-methionyl-DL-methionine is stable in mixtures with conventional components and feed such as cereals (eg maize, wheat, triticale, barley, millet, etc.), vegetable or animal protein carriers (eg soybeans and oilseed rape and their processed products, legumes (eg Peas, beans, lupins, etc.), fishmeal, etc.) and in combination with supplemented essential amino acids, proteins, peptides, carbohydrates, vitamins, minerals, fats and oils.
- cereals eg maize, wheat, triticale, barley, millet, etc.
- vegetable or animal protein carriers eg soybeans and oilseed rape and their processed products, legumes (eg Peas, beans, lupins, etc
- the feed mixture contains proteins and carbohydrates, preferably based on fish, soya or maize flour, and may be supplemented with essential amino acids, proteins, peptides, vitamins, minerals, carbohydrates, fats and oils.
- DL-methionyl-DL-methionine alone as DD / LL / LD / DL mixture, as DL / LD or DD / LL mixture is present, preferably in each case additionally in admixture with DL-methionine, preferably with a DL-methionine content of 0.01 to 20 wt .-%, particularly preferably from 1 to 10 wt .-%.
- DL-methionyl-DL-methionine is present as the enantiomeric pair DL / LD-methionylmethionine.
- the aquaculture animals are freshwater and saltwater fish and crustaceans selected from the group consisting of carp, trout, salmon, catfish, perch, flatfish, sturgeon, tuna, catfish Ie, bream, cod, shrimp, krill and prawns, in particular for silver (Hypophthalmichthys molitrix), grass (Ctenopharyngodon idella), scales (Cyprinus carpio) and bighead carp (Aristichthys nobilis), crucian carp (Carassius carassius), catla ( Catla Catla), Roho Labeo (Labeo rohita), Pacific and Atlantic salmon (Salmon salar and Oncorhynchus kisutch), rainbow trout (Oncorhynchus mykiss), American catfish (Ictalurus punctatus), African catfish ⁇ Ciarias gariepinus), Pangasius (Pangasius bo-
- dipeptide DL-methionyl-DL-methionine (I) exist four different stereoisomers (diastereomers) DD, LL, DL and LD-I, of which only the L-methionyl-L-methionine (LL-I) is natural, the three other dipeptides L-methionyl-D-methionine (LD-I), D-methionyl-L-methionine (DL-I) and D-
- DD-I and LL-I behave with each other as image and mirror image, i. they are enantiomers and thus have the same physical properties.
- the two pairs DD / LL-I and DL / LD-I are diastereomeric to one another, ie. are have different physical data.
- the diastereomeric pair DD / LL-I has a solubility of 21.0 g / l in water at room temperature, whereas the solubility of the diastereomer pair DL / LD-I is 0.4 g / l.
- the subject of the present invention is the use of DL-methionyl-DL-methionine as feed as a DD / LL / DL / LD, DD / LL or DL / LD diastereomer mixture as growth promoter for omni-, carni- and herbivorous fish and shellfish in aquaculture.
- DL-methionyl-DL-methionine (I) under enzymological conditions enzymatically from fish and crustaceans to free D- and L- Methionine can be cleaved (Scheme 2) (see also Examples 22 to 24).
- DL-methionyl-DL-methionine (I) the corresponding digestive enzymes from carp (omnivor), trout (karnivor) and Whiteleg shrimp (omnivor) were isolated and reacted in optimized in vitro experiments under physiologically comparable conditions with DL-methionyl-DL-methionine.
- the peculiarity of the cleavage of DL-methionyl-DL-methionine (I) according to the invention lies in the fact that all four possible diastereomers, both the natural LL-I and the three unnatural diastereomers DD, DL and LD-1 physiological conditions can be split.
- methionylmethionine as a feed additive and source of methionine is that D- or L-methionine can be released throughout the digestion time in the organism and thus in synchronism with the release of other amino acids derived from natural protein sources ("slow").
- This special effect has the effect that the simultaneous availability of all important and essential amino acids is ensured in an ideal ratio in the blood plasma, which is absolutely necessary for optimal growth of the organism.
- DL-methionyl-DL-methionine I
- methionine hydantoin Hd
- DL-methionyl-DL-methionine is synthesized directly from methionine hydantoin and comprises the methods G, H, and J. shown in Scheme 3.
- Scheme 3 Preferably, a solution containing methionine hydantoin and water is reacted with methionine under basic conditions. Furthermore, it is preferred that the pH of the solution containing the urea derivative is adjusted to 8 to 14, preferably to 10 to 13.
- the reaction is carried out at a temperature of 50 to 200 0 C, preferably at a temperature of 80 to 170 0 C and particularly preferably at a temperature of 130 to 160 ° C. It is further preferred that the reaction is carried out under pressure, preferably at a pressure of 3 to 20 bar, more preferably at a pressure of 6 to 15 bar.
- a solution containing methionine hydantoin and water has previously been formed from one or more of the compounds IIa, IIb, Hc, Hd, He, Hf and Hg.
- methionine hydantoin is obtained by reacting the compound He or Hf with a nitrogen-containing base, NH 4 HCO 3 , (NH 4 ) 2 CO 3 , NH 4 OH / CO 2 mixture or carbamate salts.
- the reaction of the compound He is preferably carried out at a temperature of from 0 ° C. to 150 ° C., preferably from 0 ° C. to 100 ° C., and more preferably from 10 ° C. to 70 ° C.
- the methionine hydantoin is obtained by reacting the compound Hf with CO 2 . It is preferred that the reaction takes place in the presence of a base, preferably selected from the group consisting of KHCO 3 , K 2 CO 3 , tertiary amines or their salts, alkali metal and Erdalkalibasen.
- a base preferably selected from the group consisting of KHCO 3 , K 2 CO 3 , tertiary amines or their salts, alkali metal and Erdalkalibasen.
- methionine hydantoin is obtained by reacting the compound Hg with a cyanide ion source and a base selected from Group containing nitrogen-containing bases, ammonium salts in the presence of CO 2 , NH 4 HCO 3 , (NH 4 ) 2CO 3, NH 4 OH / CO 2 mixture and carbamate salts.
- the reaction takes place at a temperature of preferably -20 0 C to 150 0 C, preferably -10 ° C to 100 ° C and more preferably from 0 ° C to 70 0 C.
- An alternative embodiment of the process according to the invention comprises the following steps: a) Reaction of the urea derivative according to the formulas IIa, IIb, Hc, Hd, He, Hf and Hg to give a diketopiperazine of the formula
- reaction of the urea derivative to diketopiperazine at a temperature of 50 0 C to 200 0 C, preferably from 100 0 C to 180 0 C and particularly preferably from 140 ° C to 170 0 C is performed.
- the reaction of the urea derivative to diketopiperazine takes place under pressure, preferably at a pressure of from 3 to 20 bar, more preferably at a pressure of from 6 to 15 bar.
- the reaction of the urea derivative to diketopiperazine takes place in the presence of a base.
- a base It is the Base preferably selected from the group nitrogen-containing bases, NH 4 HCO 3 , (NH 4 ) 2CO 3 , KHCO 3 , K 2 CO 3 , NH 4 OH / CO 2 - mixture, carbamate salts, alkali and Erdalkalibasen.
- reaction of the urea derivative to diketopiperazine takes place by reaction with methionine.
- a ratio of urea derivative to methionine of 1: 100 to 1: 0.5 is preferred.
- reaction of diketopiperazine to DL-methionyl-DL-methionine by acid hydrolysis.
- the acid hydrolysis is in
- Presence of an acid is carried out, which is preferably selected from the group of mineral acids, HCl, H 2 CO 3 , CO 2 / H 2 O, H 2 SO 4 , phosphoric acids, carboxylic acids and hydroxycarboxylic acids.
- the reaction of diketopiperazine to DL-methionyl-DL-methionine by basic hydrolysis is preferably carried out at a pH of 7 to 14, more preferably at a pH of 9 to 12, most preferably at a pH of 10 to 11 to obtain DL-methionyl-DL-methionine.
- the basic conditions can be adjusted using a substance which is preferably selected from the group consisting of nitrogen-containing bases, NH 4 HCO 3 , (NH 4 ) 2 CO 3 , NH 4 OH / CO 2 mixture, carbamate salts, KHCO 3 , K 2 CO 3 , carbonates, alkali and alkaline earth bases.
- the acidic or basic hydrolysis is preferably carried out at temperatures from 50 0 C to 200 0 C, preferably from 8O 0 C to 180 0 C and more preferably from 90 0 C to 160 0 C carried.
- reaction of diketopiperazine to give DL-methionyl-DL-methionine by introducing CO 2 into a basic solution, preferably in a ba- ammonium, potassium or sodium hydroxide solution.
- the diketopiperazine is isolated prior to hydrolysis. It is preferred that the Dike- topiperazine by crystallization from the reaction solution, preferably at a temperature of -30 to 120 0 C, particularly preferably at a temperature of 10 to 70 0 C, is isolated.
- DD / LL / DL / LD-methionylmethionine are acidified and the methionylmethionine is obtained by crystallization or precipitation.
- acids are preferably used from the group of mineral acids, HCl, H2CO3, CO2 / H2O, H 2 SO 4 , phosphoric acids, carboxylic acids and hydroxycarboxylic acids for acidification.
- bases are preferably used for neutralization from the group NH 4 HCO 3 , (NH 4 ) 2 CO 3 , nitrogen-containing bases, NH 4 OH, carbamate salts, KHCO 3 , K 2 CO 3 , carbonates, alkali and alkaline earth bases.
- the invention further provides a process for fractionating the diastereomeric mixture of DD / LL / DL / LD-methionylmethionine by fractional crystallization to give the two enantiomeric pairs DD / LL-methionylmethionine and DL / LD-methionylmethionine.
- the procedure is as follows:
- step a) the acidification takes place with an acid and a pH of 0.1 to 1.0, preferably a pH of about 0.6 is set, and the resulting clear solution then with a base to a pH of 5 to 6, preferably adjusted to a pH of about 5.6.
- Mineral acids preferably phosphoric acid, sulfuric acid, hydrochloric acid or carbonic acid or carbon dioxide, and / or carboxylic acids, in particular the dC 4 -carboxylic acids formic acid, acetic acid, propionic acid, butyric acid or isobutyric acid, can be used as the acid.
- Particular preference is given to using carbon dioxide or carbon dioxide.
- the carbon dioxide or the carbon dioxide can be introduced into the reaction mixture under atmospheric pressure or under overpressure.
- a base selected from the group NH 4 HCO 3 , (NH 4 ) 2 CO 3 , nitrogen-containing bases, NH 4 OH, carbamate salts, KHCO 3 , K 2 CO 3 , carbonates , Alkali bases and alkaline earth bases.
- the procedure is as follows: a) by basifying the DD / LL / DL / LD-methionylmethionine-containing suspension until a clear solution is obtained and by stepwise addition of the basic solution with an acid precipitate until a precipitate, DL / LD-methionylmethionine is recovered as a precipitate.
- step b) from the compound obtained from step a) the mother liquor is obtained on closing ⁇ DD / LL-methionylmethionine.
- step a) the Ba ⁇ sischstellen with a base is carried out and a pH of 7.5 to 14, preferably a pH of about 9 to 13 is ⁇ sets and the resulting clear solution then adjusted with an acid to a pH of 5 to 6, preferably to a pH of about 5.6.
- Suitable bases ⁇ preferably the bases from the group of NH 4 HCO 3, (NH 4) 2 CO3, nitrogen-containing bases, NH 4 OH, carbamate salts, KHCO 3, K 2 CO 3, carbonates, alkali metal and alkaline earth metal bases used.
- an acid is preferably used from the group of the mine ⁇ ralklaren, preferably phosphoric acid, sulfuric acid, hydrochloric acid, or carbonic acid or carbon dioxide, and / or from the group of carboxylic acids, in particular Ci-C 4 - carboxylic acids formic acid, acetic acid, propionic acid, But ⁇ terklare and isobutyric acid.
- the carbonic acid or carbon dioxide is particularly preferably used.
- the method of fractional crystallization it is carried out at a temperature of 0 0 C to 100 0 C, preferably 5 ° C to 6O 0 C and particularly preferably from 10 0 C to 40 0 C.
- the DD / LL-methionylmethionine obtained can be racemized and introduced into the separation process described above, with the two enantiomeric pairs DD / LL-methionylmethionine and DL / LD-methionylmethionine being separated from one another. All of the mentioned processes of the present invention are preferably carried out in an aqueous medium.
- processes of the present invention can be carried out in batch processes known to those skilled in the art or in continuous processes.
- FIG. 1 shows the schematic representation of the enzymatic cleavage of the methionylmethionine diastereomer mixtures DD / LL-I, DL / LD-I and DD / LL / DL / LD-I.
- FIG. 2 shows the schematic representation of the enzymatic cleavage of the four methionylmethionine diastereomers DD-I, LL-I, DL-I and LD-I with different cleavage rates.
- FIG. 3 shows the schematic representation of the enzymatic release of methionine (D- and L-Met together) from the four methionylmethionine diastereomers DD-I, LL-I, DL-I and LD-I.
- FIG. 4 shows the biotransformation of D-methionine to L-methionine with an enzyme cocktail from mirror carp.
- FIG. 5 shows the leaching behavior of methionylmethionine diastereomer mixtures DD / LL-I, DL / LD-I and LL / DD / LD / DL-I in comparison to methionine, MHA and MHA-Ca.
- Figure 6 shows the in vitro digestion of four different methionylmethionine diastereomers LL-I, LD-I, DL-I and DD-I with digestive enzymes of the mirror carcass.
- FIG. 7 shows the in vitro digestion of various methionylmethionine diastereomer mixtures LL / DD-I, DL / LD-I and LL / DD / LD / DL-I with digestive enzymes of the mirror carbene.
- Figure 8 shows the in vitro digestion of four different methionylmethionine diastereomers LL-I, LD-I, DL-I and DD-I with digestive enzymes of the rainbow trout.
- FIG. 9 shows the in vitro digestion of the methionylmethionine diastereomer mixtures LL / DD-I, DL / LD-I and
- Figure 10 shows the in vitro digestion of four different ⁇ NEN methionylmethionine diastereomers LL-I, LD-I, DL-I and DD-I with digestive enzymes of the Whiteleg shrimp.
- FIG. 11 shows the in vitro digestion of various substances
- this compound is transformed to DL-methionyl-DL-methionine (I) (see Scheme 3).
- the corresponding dietopiperazine (III) is formed as an intermediate.
- G, H and J arises methionine hydantoin as an intermediate, which is transformed directly to DL-methionyl-DL-methionine (I).
- fractional crystallization method K a separation of the two pairs of diastereomers DD / LL-I and DL / LD-I can be achieved (see Scheme 3).
- Example 5 Synthesis of 3, 6-bis [2- (methylthio) ethyl] -2,5-piperazinedione (III) (methioninediketopiperazine, DKP) from 2-hydroxy-4- (methylthio) butanenitrile (3- (methylmercapto) propionaldehyde cyanohydrin, MMP-CH) (IIe) according to method C
- Example 7 Synthesis of 3, 6-bis [2- (methylthio) ethyl] -2,5-piperazinedione (III) (methioninediketopiperazine, DKP) from 3- (methylthio) propanaldehyde (3- (methylmercapto) propionaldehyde, MMP) ( Hg) according to method D
- a DD / LL / DL / LD-methionylmethionine (I) precipitates as a 50:50 mixture of the two pairs of diastereomers (DL / LD-Met-Met) (DL / DL-I) or (DD / LL-Met-Met ) (DD / LL-I) as a thick crystal pulp. Finally, it was dried in a drying oven at 60 ° C. in vacuo. Yield: 601.0 g (2.14 mol) (85.7%) DD / LL / DL / LD-methionylmethionine (I), slightly yellowish solid, purity 98% (HPLC).
- the DD / LL / DL / LD-methionylmethionine (I) was subsequently precipitated at pH 6.
- the sparingly soluble racemic pair of diastereomers DL / LD-methionylmethionine (DL / LD-I) preferably precipitates. This was centrifuged and the mother liquor concentrated together with washing water in the steam-jet vacuum at 40 0 C internal temperature to one fourth of the original volume.
- Methionylmethionine (I) can be obtained as a mixture of diastereomers. Purity> 98% (HPLC).
- the mixture was transferred to a 2 1 steel autoclave, heated to 160 0 C and stirred for 6 hours at this temperature. Thereafter, the autoclave was cooled in an ice bath, the resulting suspension was filtered off and the precipitated 3, 6-bis [2- (methylthio) ethyl] -2, 5-piperazindion (I-II) (Methionindiketopiperazin, DKP) washed with a little water , The wash water and the mother liquor were combined, concentrated on a rotary evaporator at 40 0 C to a volume of 800 ml. A moderate CO 2 stream was subsequently introduced into the resulting solution until a pH of 6.0 was reached and a white solid precipitated.
- the colorless mother liquor from a) was concentrated on a rotary evaporator at 35 ° C and water pump vacuum. A white suspension was obtained.
- the white solid of ammonium sulfate, residues on DL / LD-I and target compound became then filtered off with suction and dried in vacuo at 50 0 C.
- the mixture was suspended in DI water and stirred.
- the undissolved DL / LD-I was aspirated and the mother liquor on a rotary evaporator at 50 0 C and water pump vacuum concentrated to about one-fifth.
- DD / LL-methionylmethionine (DD / LL-I) crystallized out as a white solid.
- the isolation of the digestive enzymes was carried out in accordance with the method of EID and MATTY (Aquaculture 1989, 79, 111-119).
- the intestine was exposed by five year old mirror carp (Cyprinus carpio morpha noblis), rinsed with water, cut longitudinally and each scraped off the intestinal mucosa. This was crushed together with crushed ice with a blender.
- the resulting suspension was treated with an ultrasonic rod to disrupt still intact cells.
- the suspension was for 30 minutes at 4 0 C centrifuged, decanted the homogenate and sterilized with a trace of thimerosal. From 5 mirror carp 260.7 ml of enzyme solution of the intestinal mucosa were obtained, the solution was stored at 4 0 C dark.
- DL-methionyl-DL-methionine (I) or the corresponding diastereomeric pairs DD / LL-I and DL / LD-I were taken up in TRIS / HC1 buffer solution and mixed with the enzyme solution.
- a blank value without enzyme solution was used. From time to time, a sample was taken and its composition was detected and quantified using a calibrated HPLC. The conversion was determined as the quotient of the area of methionine and the area of methionylmethionine (I) (see FIGS. 6 and 7).
- the isolation of the digestive enzymes was carried out in accordance with the method of Ezquerra and Garcia-Carreno (J. Food Biochem., 1999, 23, 59-74).
- the hepato- pancreas was from five kilograms Whiteleg shrimp (Whiteleg shrimp) away and crushed together with crushed ice with ei ⁇ nem mixer.
- the further work-up was carried out analogously to Example 22.
- the isolation of the digestive enzymes was carried out in accordance with the method of EID and MATTY (Aquaculture 1989, 79, 111-119). For this purpose, the intestine of five year old mirror carp (Cyprinus carpio morpha noblis) was exposed and worked up as described in Example 22. To isolate liver enzymes, the livers were isolated, homogenized and treated analogously to the processing of the intestinal enzymes in Example 22. Analogously, the enzyme isolation from the pancreas was also used.
- D-methionine was taken up in buffer solution and mixed with the enzyme solution. As a comparison and to estimate the purely chemical conversion rate, a blank value without enzyme solution was used in each case. After 24 hours, a sample was taken and the composition was detected and quantified using a calibrated HPLC. The conversion was determined as the quotient of the area of L-methionine and the area of D-methionine (see FIG. 4).
- Citrate buffer pH 5, pH 6 and pH 7
- Feed mixture As a feed matrix, a methionine-deficient feed mixture of common ingredients such as soybean meal, soybean oil, corn starch, wheat flour, fish meal, cellulose, crystalline essential amino acids and minerals and vitamins was used as premixes. This mixture was then supplemented batchwise in 20 kg batches each with the methionine derivatives listed in Table 5 at 0.25% supplementation rate (based on sulfur equivalents), homogenized and then pelletized under steam treatment. As a comparison to methionylmethionine (I), a pelletization experiment each with DL-methionine, MHA (methionine hydroxy analogues) and calcium MHA was made. In addition, as a control experiment, pelleting was carried out without addition of a methineine derivative (see Table 5).
- the amino acid determination was carried out in accordance with EU method 98/64 / EC. After extraction of the free amino acids and methionylmethionine (I), these were subsequently determined by means of an amino acid analyzer by post-column derivatization with ninhydrin (see Table 6). Subsequently, the leaching behavior of the diastereomers of methionylmethionine (I) from the feed pellets under water was investigated. The dissolution of methionylmethionine under water was determined as a function of time, temperature, water composition (salt or fresh water).
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ES09737390.6T ES2437602T3 (es) | 2008-10-17 | 2009-10-09 | Preparación y utilización de metionil-metionina como un aditivo para piensos para peces y crustáceos |
EP09737390.6A EP2348881B1 (de) | 2008-10-17 | 2009-10-09 | Herstellung und verwendung von methionylmethionin als futtermitteladditiv für fische und krustentiere |
JP2011531453A JP5693457B2 (ja) | 2008-10-17 | 2009-10-09 | 魚類用及び甲殻類用の飼料添加剤としてのメチオニル−メチオニンの使用 |
CN200980141377.6A CN102186358B (zh) | 2008-10-17 | 2009-10-09 | 作为鱼类和甲壳类动物的饲料添加剂的甲硫氨酰基甲硫氨酸的制备和用途 |
BRPI0920882-8A BRPI0920882B1 (pt) | 2008-10-17 | 2009-10-09 | processo para preparação de dl-metionil-dl- metionina e isolamento da mistura de diastereômeros de dd/ll/dl/ld- metionilmetionina e uso dos mesmos |
PL09737390T PL2348881T3 (pl) | 2008-10-17 | 2009-10-09 | Wytwarzanie i zastosowanie metionylometioniny jako dodatkowy środek paszowy dla ryb i skorupiaków |
CA2740663A CA2740663C (en) | 2008-10-17 | 2009-10-09 | Production and use of methionylmethionine as feed additive for fish and crustaceans |
RU2011119472/04A RU2599783C2 (ru) | 2008-10-17 | 2009-10-09 | Получение и применение метионилметионина в качестве добавки к кормам для рыб и ракообразных |
MX2011003946A MX2011003946A (es) | 2008-10-17 | 2009-10-09 | Produccion y uso de metionilmetionina como aditivo alimenticio para peces y crustaceos. |
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DE102009002044A1 (de) * | 2009-03-31 | 2010-10-07 | Evonik Degussa Gmbh | Dipeptide als Futtermitteladditive |
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- 2009-03-23 CN CN200910128896A patent/CN101720858A/zh active Pending
- 2009-10-09 WO PCT/EP2009/063160 patent/WO2010043558A1/de active Application Filing
- 2009-10-09 MX MX2011003946A patent/MX2011003946A/es active IP Right Grant
- 2009-10-09 JP JP2011531453A patent/JP5693457B2/ja not_active Expired - Fee Related
- 2009-10-09 MY MYPI2011001656A patent/MY155599A/en unknown
- 2009-10-09 PL PL09737390T patent/PL2348881T3/pl unknown
- 2009-10-09 ES ES09737390.6T patent/ES2437602T3/es active Active
- 2009-10-09 RU RU2011119472/04A patent/RU2599783C2/ru not_active IP Right Cessation
- 2009-10-09 CN CN201510390203.0A patent/CN105061555B/zh active Active
- 2009-10-09 CN CN201510390212.XA patent/CN105053577B/zh active Active
- 2009-10-09 CA CA2740663A patent/CA2740663C/en not_active Expired - Fee Related
- 2009-10-09 BR BRPI0920882-8A patent/BRPI0920882B1/pt active IP Right Grant
- 2009-10-09 CN CN200980141377.6A patent/CN102186358B/zh active Active
- 2009-10-09 EP EP09737390.6A patent/EP2348881B1/de active Active
- 2009-10-16 US US12/580,283 patent/US8968817B2/en active Active
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2011
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2012
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2014
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2015
- 2015-04-21 US US14/691,813 patent/US20150223495A1/en not_active Abandoned
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US9456973B2 (en) | 2013-08-06 | 2016-10-04 | Evonik Degussa Gmbh | Methionyl-methionine stereoisomers and use thereof in cosmetics |
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WO2023180282A1 (en) | 2022-03-24 | 2023-09-28 | Evonik Operations Gmbh | Co-precipitates of methionylmethionine with organic compounds |
EP4286399A1 (de) | 2022-06-03 | 2023-12-06 | Evonik Operations GmbH | Rückgewinnung von methionylmethionin aus wässrigen alkalimetallionen-haltigen medien |
WO2023232573A1 (en) | 2022-06-03 | 2023-12-07 | Evonik Operations Gmbh | Recovery of methionylmethionine from aqueous alkali metal ions containing media |
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Also Published As
Publication number | Publication date |
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JP6033254B2 (ja) | 2016-11-30 |
US8968817B2 (en) | 2015-03-03 |
US20130008384A1 (en) | 2013-01-10 |
CA2740663A1 (en) | 2010-04-22 |
RU2011119472A (ru) | 2013-03-20 |
ES2437602T3 (es) | 2014-01-13 |
EP2348881A1 (de) | 2011-08-03 |
US9078459B2 (en) | 2015-07-14 |
EP2348881B1 (de) | 2013-09-04 |
US20100098801A1 (en) | 2010-04-22 |
JP5693457B2 (ja) | 2015-04-01 |
MX2011003946A (es) | 2011-05-19 |
CN105053577B (zh) | 2019-05-07 |
CN105061555B (zh) | 2019-07-30 |
BRPI0920882B1 (pt) | 2018-04-10 |
CN102186358B (zh) | 2015-06-03 |
DE102008042932A1 (de) | 2010-04-22 |
PL2348881T3 (pl) | 2014-03-31 |
US20150223495A1 (en) | 2015-08-13 |
US20130011514A1 (en) | 2013-01-10 |
JP2012505646A (ja) | 2012-03-08 |
CN105061555A (zh) | 2015-11-18 |
CA2740663C (en) | 2017-01-17 |
CL2011000845A1 (es) | 2011-08-26 |
CN101720858A (zh) | 2010-06-09 |
CN102186358A (zh) | 2011-09-14 |
BRPI0920882A2 (pt) | 2017-02-21 |
RU2599783C2 (ru) | 2016-10-20 |
US9095161B2 (en) | 2015-08-04 |
MY155599A (en) | 2015-11-13 |
JP2014193176A (ja) | 2014-10-09 |
CN105053577A (zh) | 2015-11-18 |
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