Matches 351 - 400 out of 434 < 1 2 3 4 5 6 7 8 9 >
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5059712 Isolating aminoarginine and use to block nitric oxide formation in body  
Pharmaceutically pure physiologically active N G -aminoarginine (i.e., the L or D,L form) or pharmaceutically acceptable salt thereof is administered in a nitric oxide synthesis inhibiting amount...
5053328 Process for the fermentative preparation of L-amino acids from α-keto carboxylic acids  
The preparation of an L-amino acid, particularly valine, leucine, isoleucine, alanine and phenylalanine, from the corresponding α-keto carboxylic acid by bacterial fermentation in the presence of...
5041375 Method of producing carnitine  
This invention relates to a method for producing carnitine comprising contacting, in a reaction medium, carnitinenitrile with (A) a nitrilase capable of hydrolyzing carnitinenitrile to form...
5024945 Process for obtaining sarcosine oxidase from microorganisms  
The present invention provides a process for obtaining sarcosine oxidase from micro-organisms by culturing thereof and obtaining the enzyme from the biomass or from the culture broth, wherein a...
5017480 Process for recovering L-amino acid from fermentation liquors  
A process for recovering a high-purity L-amino acid from a fermentation liquor obtained by fermentation or an enzymic method, which comprises removing the impurities contained in said fermentation...
5001258 Antibiotic, fumifungin, a microbial process for the preparation thereof, and the use thereof as a pharmaceutical  
Fumifungin, a compound of the formula ##STR1## can be isolated from the culture broth of fungus culture No. Y-83,0405 (DSM 4152), and has bactericidal and fungicidal properties.
4997754 Process for recovering L-amino acids from fermentation liquors containing them  
A process for recovering a high-purity L-amino acid from a fermentation liquor obtained by fermentation or an enzymic method, which comprises removing the impurities contained in said fermentation...
4994381 N-[[6 -methoxy-5-(trifluoromethyl)-1-naphthalenyl]-thioxomethyl]-N-methylglycin e S-oxide and the amide thereof  
Disclosed herein are N-[[6-methoxy-5-(trifluoromethyl)-1-naphthalenyl]-thioxmethy l]-N-methylgly cine S-oxide (tolrestat S-oxide) and the amine thereof and methods of their preparation. The...
4990448 Bu-4061T  
A new antibiotic designated BU-4061T is produced by fermentation of actinomycete strain Q996-17 (ATCC-53904). The BU-4061T antibiotic exhibits both in vitro and in vivo antitumor activity.
4980284 Method of preparing D-α-amino acids  
A substantial elevation of the space-time yield is achieved in the preparation of D-α-amino acids by means of the biotransformation of hydantoins which are monosubstituted in the 5-position in an...
H000819 Palladium-109 labeled anti-melanoma monoclonal antibodies  
Palladium-109, a beta-emitting radionuclide, when chelated to anti-melanoma monoclonal antibody demonstrates high uptake in melanoma and thus is useful for tumor therapy.
4929551 Process for producing L(-)-tetrahydrofolic acid  
The invention relates to a process for producing L(-)-tetrahydrofolic acid which comprises allowing dihydrofolate reductase to act upon dihydrofolic acid in the presence of (1) NADP or NADPH, and...
4880737 Process for the preparation of L-alpha-amino acid and d-alpha-amino acid amide  
The invention relates to a process for preparation of L-α-amino acid and D-α-amino acid amide from DL-α-amino-acid amide by contacting the DL-α-amino acid amide in an aqueous solution with an...
4880738 Production of amino acids using coupled enzyme systems  
A biocatalytic method for producing a desired amino acid is disclosed. The method involves contacting a 2-ketoacid corresponding to the desired amino acid with lactic acid, aspartic acid and...
4859591 Transamination process for producing amino acids  
A process is disclosed for catalyzing the transamination of an amino acid precursor to the corresponding L-amino acid by using aspartic acid as the amino donor and by adding certain multivalent...
4849345 L-phenylalanine dehydrogenase and use thereof  
New L-phenylalanine dehydrogenases produced by a microorganism belonging to the genus Sporosarcina or Bacillus, new microorganisms capable of l-phenylalanine dehydrogenase and belonging to the...
4826766 Production of amino acids using coupled aminotransferases  
This invention relates to a process for producing a desired alpha-amino acid, AA d , or a derivative thereof. The process comprises: (a) reacting a first alpha-amino acid, AA NH s ; a first...
4812406 Process for preparing optically active hydantoins  
A process for preparing optically active hydantoins having the general formula (II): ##STR1## wherein R 1 and R 2 , which are different from each other, are independently alkyl group, aralkyl...
4810647 Process of producing ethanol and various other by-products from cereals  
The present invention is related to a process of producing ethanol and gluten from cereals especially from wheat, which comprises the steps if: (a) crushing cereals and soaking the thus crushed...
4783402 Production of primary or secondary alcohol derivatives of phospholipids by the enzymatic technique  
A process for producing a primary or secondary alcohol derivative of a phosopholipid which comprises reacting the phospholipid with a primary or secondary alcohol in the presence of phospholipase DM.
4782019 Enzymatic production of sphingophospholipid derivatives  
A process for producing a sphingophospholipid derivative comprising reacting a sphingophospholipid with a specified compound having an alcoholic hydroxyl group selected from the group consisting of...
4782020 Process for the continuous enzymatic conversion of alpha-hydrocarboxylic acids into the corresponding optically active alpha-aminocarboxylic acids  
α-Hydroxycarboxylic acids are continuously converted into the corresponding optically active α- aminocarboxylic acids. The conversion is carried out in a membrane reactor in the presence of...
4782021 Method of producing L-serine  
This invention is a method of producing L-serine by causing glycine to react with formaldehyde by using the culture solution or the microbe cells of a microorganism belonging to the genus...
4757009 Recombinant DNA having a phosphoenol pyruvate carboxylase gene inserted therein, bacteria carrying said recombinant DNA and a process for producing amino acids using said bacteria  
A recombinant DNA molecule comprising a plasmid vector having operationally inserted therein a gene coding for phosphoenol pyruvate carboxylase is disclosed along with bacteria containing this...
4745061 Novel d-aminoacid transaminase and its use  
A D-aminoacid transaminase which converts CPC with Δ-keto acids into Δ-ketoadipinyl-7-ACA can be isolated from Bacillus Licheniformis ATCC 9945. This transamination can be applied to other...
4708936 Process for the continuous production of L-carnitine  
Process for the continuous production of L-carnitine by the microbiological method. A microorganism of the strain DSM No. 3225 (HK 1331b) type is cultivated in a bioreactor with crotonobetaine...
4705752 Process for the enzymatic hydrolysis of D-α-amino-acid amides  
Process for the enzymatic hydrolysis of a D-α-amino-acid amide to the corresponding D-α-amino-acid, wherein an aqueous solution of the D-α-amino-acid amide is contacted with an...
4670395 Enantioselective hydrolysis of N-acylamino acid esters using a combined enzyme system  
Disclosed is combination of an acylase and esterase for selective enzymatic hydrolysis of only the L-isomer of an L and D mixture of αN-acyl-α-amino acid ester whose alpha carbon atom is chiral...
4666840 Process for the preparation of L-α-aminoacids  
The process of the invention is useful for the preparation of L-α-aminoacids and is based on the use of an N-carbamyl-α-aminoacid compound which is contacted with a E.C.3.5.2.2, a...
4647693 Antibiotics DO-248-A and B and process for preparing the same  
Antibiotics DO-248-A and DO-248-B of the following Formula I: ##STR1## wherein R is ethyl or isopropyl, have antibacterial activity against acid-fast bacteria. DO-248-A, DO-248-B, or their...
4608340 Immobilized aminoacylase enzyme  
Immobilized aminoacylase having high specific activity is obtained by covalent bonding of aminoacylase to a partially hydrolyzed Akrilex P type acrylamide-N,N 1 -methylene-bis (acrylamide)...
4607011 Accumulation and isolation of N-acylphosphatidylserine  
A phospholipid mixture, rich in N-acylphosphatidylserine (NAPS), is produced by growth of certain bacterial cultures in media containing effective amounts of tris (hydroxymethyl) aminomethane. NAPS...
4525454 Production of L-4-phenyl-2-aminobutanoic acid by transamination  
A process is described for producing L-4-phenyl-2-amino butanoic acid. The process comprises reacting 4-phenyl-2-oxobutanoic acid or an ester thereof with L-aspartic acid in the presence of...
4518692 Production of L-amino acids by transamination  
A process is described for producing alpha amino acids or derivatives thereof. The process comprises reacting an alpha-keto acid with L-aspartic acid in the presence of transaminase enzyme to...
4427658 Total enzymatic hydrolysate from whey proteins and process of obtaining the same  
A total enzymatic hydrolysate from whey proteins is disclosed comprising peptidic hydrolysate with substantially no residual proteins, at least 50% of the peptides containing 2 to 5 amino acids. 70...
4418146 Preparation of D-N-carbamyl-α-aminoacids and micro-organisms for carrying out this preparation  
A process for the preparation of D-carbamyl-α-aminoacids of the formula ##STR1## where R has the meanings given in the description, by enzymatic cleavage of the corresponding hydantoins by means...
4415657 Process for preparation of an optically active monoalkyl ester of β-(S)-aminoglutaric acid  
A process is disclosed in which an optically active monoalkyl ester of β-(S)-aminoglutaric acid is prepared by subjecting a dialkyl ester of β-protected aminoglutaric acid to the action of a...
4411991 Process for fermentative production of amino acids  
A process is disclosed in which an amino acid-producing microorganism having an ability to assimilate lactic acid is aerobically cultivated in the presence of at least one lactic acid microorganism...
4390626 Immobilized aminoacylase  
An immobilized aminoacylase is prepared by bonding aminoacylase to a water-insoluble porous anion exchanger such as a porous phenolic resin, porous styrene resin, porous silica or porous glass...
4389489 Optically pure heterocyclic aminoacid compounds, a process for their use for the synthesis of medicaments  
The invention relates to optically pure heterocyclic amino acid compounds of the Formula I, as described hereinabove as well as a process for their preparation involving subject D, L-compounds to...
4389488 Process for the enzymatic preparation of L-2-amino-4-methylphosphinobutyric acid  
A process for the enzymatic preparation of L-2-amino-4-methylphosphinobutyric acid by enzymatic cleavage of the corresponding N-arylacetyl derivatives using penicillin-G-acylase.
4312948 Enzymic microbiological process for producing optically active aminoacids starting from hydantoins and/or racemic carbamoyl derivatives  
A method is disclosed for producing D-aminoacids from racemic mixtures of N-carbamoyl derivatives of such acids or from the corresponding hydantoins wherein the racemic compounds are subjected to...
4286060 Process for production of an amino acid  
The process according to the invention comprises submerged cultivation of microorganisms producing an amino acid in a nutrient media including nitrogen, mineral salts and a source of carbon - a...
4271269 Regeneration of an enzyme immobilizate  
An enzyme immobilizate comprising an amorphous siliceous support to which an enzyme is bonded by adsorption via an amino alkoxy silane is regenerated after the enzyme has become inactive by...
4251631 Cross-linked enzyme membrane  
A cross-linked enzyme membrane is prepared by directly adsorbing enzymes into the pores of a microporous non-fibrous filter membrane made of a silica modified vinylchloride polymer and then...
4248967 Enzymic complexes adapted to convert racemic hydantoins into optically active aminoacids, and their applications  
Enzymic complexes deriving from micro-organisms belonging to the Bacillaceae family using an hydantoin or a derivative thereof as inductor of the enzymic activity are used for hydrolysing racemic...
4242452 Process for preparing N-carbamoyl-D-thienylglycines  
A process for preparing N-carbamoyl-D-(2-thienyl or 3-thienyl)glycine by subjecting 5-(2-thienyl or 3-thienyl)hydantoin to the action of a cultured broth, cells or treated cells of microorganisms...
4237227 Process for preparing D-N-carbamoyl-α-amino acids  
A process for preparing D-N-carbamoyl-α-amino acids by subjecting 5-substituted hydantoins to the action of a cultured broth, cells or treated cells of microorganisms having an ability in...
4232006 Antibiotic W-10 complex, antibiotic 20561 and antibiotic 20562 as antifungal agents  
A novel antibiotic complex exhibiting antifungal activity is produced by fermenting a novel species of bacteria from the genus Aeromonas, the bacterium being herein designated Aeromonas sp. W-10....
4211840 Method for producing D-α-amino acid  
D-α-amino acids are produced by contacting a 5-substituted hydantoin with an effective amount of an enzyme capable of converting the 5-substituted hydantoin to the D-α-amino acid produced by a...
Matches 351 - 400 out of 434 < 1 2 3 4 5 6 7 8 9 >