Matches 351 - 400 out of 421 < 1 2 3 4 5 6 7 8 9 >
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4607012 Antibiotic SB 22484  
The present invention concerns a new antibiotic substance arbitrarily designated as antibiotic SB 22484, to a process for its production by culturing Streptomyces sp. NRRL 15496 or a producing...
4601987 Enzymatic production of optical isomers of 2-halopropionic acids  
A method of resolving racemic 2-halopropionic acids by lipase-catalyzed asymmetric esterification in an organic medium is disclosed.
4568641 Process for producing optically active aryloxypropionic acids and derivatives thereof  
A process for the stereospecific inversion of the [S] enantiomer of an α-aryloxypropionic acid of formula I: ##STR1## wherein G is OR 1 or ##STR2## R 1 is hydrogen or a protecting group and R 2 ...
4564594 Fermentation process for production of carboxylic acids  
An improved fermentation process for producing carboxylic acids, especially fumaric acid, is disclosed. The improvement comprises growing fungi of genus Rhizopus in the presence of an effective...
4560656 Production of γ-decalactone  
Optically active γ-decalactone is produced by culturing a microorganism capable of hydrolyzing castor oil and effecting β-oxidation of the resulting hydrolysate in the presence of castor oil or...
4535059 Muconic acid productivity by a stabilized mutant microorganism population  
This invention provides an improved fermentation process for bioconversion of toluene to muconic acid. The process involves operating the bioconversion system under phosphate-limiting conditions so...
4530903 L-2-hydroxy-4-methylpentanoic acid-dehydrogenase, process for obtaining it and its use  
The purpose of the invention is the new enzyme L-2-hydroxy-4-methylpentanoic acid-dehydrogenase and its recovery from Lactobacillus confuses. The new enzyme can be used to enzymatically change...
4506012 Production of organic acids by a continuous fermentation process  
An improved process for preparing organic acids by a continuous homoacidogenic fermentation is disclosed. This process provides increased volumetric productivity of the acid by employing a...
4480034 Continuous fermentation process and bioconversion-product recovery  
This invention provides a continuous bioconversion process in which a cross-flow membrane filtration zone is employed to recover a whole cell-containing retentate stream and a cell-free...
4478936 In vitro enzymatic process for producing glucuronides  
An in vitro enzymatic process for preparing O-β-D-glucuronides which comprises reacting a solution of D-glucuronic acid with a solution of a compound which has a primary alcohol, and a solution of...
4474881 Process for preparing polyprenyl carboxylic acid derivatives  
A process is disclosed for the preparation of a compound having the general formula: ##STR1## wherein n is an integer of from 2 to 4, R 1 is an ester-forming moiety effective as a protecting group...
4468458 Two-functional-group-containing terpenoids, processes for the preparation of the same, and anti-ulcer agents containing the same  
A process for the preparation of a two-functional-group-containing terpenoid having the general formula: ##STR1## in which n is an integer of from 1 to 5, R represents a hydroxymethyl, formyl or...
4468459 Process for the preparation of polyprenyl ketone derivatives  
Longer carbon chain polyprenyl ketone derivatives are prepared by cultivag Nocardia strain FERM-P No. 1609 in the presence of shorter carbon chain polyprenyl ketones.
4455373 Microbiological oxidations  
Microbiological oxidations of organic compounds including C6 to C28 alkanes, C2 to C18 alkenes and cyclic compounds such as cyclohexane and benzene carried out using as catalysts methane-utilizing...
4410629 ML-236B Derivatives and their preparation  
Compounds of formula (I): ##STR1## (wherein R represents a group of formula ##STR2## and the corresponding ring-closed lactones, salts (especially alkali metal salts) and esters (especially C 1 -C...
4405716 Process for preparing 1-carba-2-penem-3-carboxylic acid  
Culturing aerobically Erwinia carotovora SC 12,637 A.T.C.C. No. 39048 or Erwinia herbicola SC 12,638 A.T.C.C. No. 39049 in a culture medium containing assimilable carbon and nitrogen sources yields...
4385112 Nucleoside oxidase and process for making same, and process and kit for using same  
A microorganism strain B-0781 belonging to the genus Pseudomonas isolated from a soil sample from an onion field in Japan, produces a novel enzyme nucleoside oxidase having substrate specificity on...
4377638 Microbiological production of lower aliphatic carboxylic acids  
Lower aliphatic carboxylic acids of from 1 to 6 carbon atoms or salts thereof are prepared by culturing the microorganism Eubacterium limosum in a nutrient medium containing at least one member of...
4359530 Protein extraction from green crops  
A method of extracting protein from green crops such as leaves, grasses, legumes, stems of green plants and tree leaves is disclosed. The method comprises the steps of subjecting the green crops to...
4326030 Process for the production of pyruvic acid and citric acid  
Process for the production of citric acid, characterized in that E. Coli KG 93, F - is cultivated in a first step for 15-24 hours at a temperature of 20°-37° C. and a pH of 5.0-7.5 on a...
4323649 Biotransformations using methane-utilizing bacteria  
A process for the partial degradation of complex cyclicorganic compounds such as 1-phenylheptane and m-chlorotoluene using methane-utilizing microorganisms or enzyme extracts thereof containing the...
4313935 Antibiotic FR-900129 substance, a process for the preparation thereof and pharmaceutical compositions containing the same  
Prodn. of FR-900129 comprises culturing a Streptomyces n. 4012 category which is analogous to Streptomyces misakiensis and Steptomyces aburaviensis, i.e. Streptomyces avellaneus No. 4012, at 25°...
4294926 Hypocholesteremic fermentation products and process of preparation  
Substances isolated after cultivation of a microorganism belonging to the genus Aspergillus in a culture medium comprise a compound designated MSD803 which has the lactone structure: ##STR1## as...
4289852 Process for producing novel bicyclodecadiene compounds  
5-Isopropyl-8-methyl bicyclo[5.3.0]deca-2,8-diene-2-carboxylic acid having a chemical structure represented by the following formula: ##STR1## and 5-isopropyl-8-methyl...
4282323 Removal and concentration of lower molecular weight organic acids from dilute solutions  
A process for obtaining lower carboxylic acids from aqueous lower carboxylic acid salts, such as obtained from a fermenter. The process involves converting the lower carboxylic acid salt to the...
4281064 Process for producing lipids having a high linoleic acid content  
A process for producing lipids having a high linoleic acid content is provided, wherein fungi of Pellicularia genus are cultivated in a medium of a carbohydrate or vegetable fiber as a carbon...
4275158 Manufacture of fatty acids having straight and long carbon chains using a microorganism  
A method for the oxidation of hydrocarbons to monocarboxylic acids and then to dicarboxylic acids by the aerobic cultivation or resting cell reaction of the organism Debaryomyces vanriji (BR-308)...
4241536 Embryogenesis in vitro, induction of qualitative and quantitative changes in metabolites produced by plants and products thereof  
The process of embryogenesis in vitro whereby single embryonic cells are obtained and from which normal, healthy plants can be produced. The process is capable of making, in vitro, any metabolite...
4211841 Process for microbial transformation of steroids  
Novel microbial transformation process to selectively convert steroids with or without 17-alkyl side chains of from 2 to 10 carbon atoms, inclusive, to 3aα-H-4α-[3'-propionic...
4091201 Process for recovering antibiotics U-50,147 and U-51,738  
Microbiological process for preparing the known antibiotics, antibiotic A-396-1 and L-dihydrophenylalanine, by use of the new microorganism Streptomyces lemensis, NRRL 8170 using controlled...
4062729 Microbial transformation of steroids  
Novel microbial transformation process to selectively convert steroids with or without 17-alkyl side chains of from 2 to 10 carbon atoms, inclusive, to 3aα-H-4α-[3'-propionic...
4056442 Lipase composition for glycerol ester determination  
A synergistic composition of microbial lipases from Rhizopus arrhizirs and Candida cylindracea is used for the hydrolysis of glycerol esters such as triglycerides in the determination of glycerol...
4039571 Organic derivatives  
Propanoic acid derivatives of formula: ##STR1## where X represents a ketonic or hydroxylic function, R 1 is a C 1 -8 alkyl group optionally substituted by hydroxy or --COOH and R 2 is hydrogen...
3993543 Process for producing pyruvic acid by fermentation  
Improved method for producing pyruvic acid by fermentation of pyruvic acid producing mutants of the strain Candida lipolytica which require methionine and thiamine for growth.
3926726 Method for carrying out enzymic reactions by means of the use of biphasic aqueous-organic systems  
A method is disclosed for carrying out enzymic reactions in all cases in which the substrates of the enzymic catalyst are water-insoluble, which makes the reaction difficult to complete. The...
3917853 Production of extracts from cells  
The invention provides a process for making an edible extract from Penicillium molds by causing lysis of the mold under acid conditions, separating the resulting extract from the gross solids,...
3912588 Creatine amidohydrolase in the conversion of creatinine to creatine  
Creatinine amidohydrolase and creatine amidinohydrolase are prepared by a process comprising culturing a microorganism in a creatinine-containing medium, digesting same, obtaining the creatinine...
3892630 Process for preparing hydroxycyclopentenone derivatives using microorganisms  
A process for preparing hydroxycyclopentenone derivatives, which comprises cultivating a microorganism belonging to the genus Aspergillus in a medium containing a cyclopentenone derivative...
3832398 D-5-HYDROXY-5-PHENYLLEVULINIC ACID AND SALTS THEREOF  
The new compound of the formula: ##SPC1## Is prepared by the cultivation under controlled aerobic conditions of Tubercularia strain Z1497. Said compound exhibits marked analgesic properties when...
3804714 ENZYMIC OXIDATION PROCESS  
Enzymic process for the oxidation of substantially water immiscible or water insoluble hydrocarbons, alcohols or aldehydes using oxidising enzyme extracted from micro-organisms wherein an amide is...
3661710 SYNTHESIS OF CONJUGATED OCTADECATRIENOIC ACID USING ENZYMES FROM TUNG  
Conjugated trienoic fatty acid was formed in a mixture containing CoASH, NADH, either ADP or ATP, MgSO 4 , castor fatty acid, and enzyme prepared from tung nuts. The enzyme was prepared as a...
3652397 PREPARATION OF PHOSPHATIDES  
Modified phosphatides of improved emulsifying power and suitable for use as anti-spattering agents in margarine are obtained by the partial hydrolysis of a vegetable phosphatide with an enzyme...
3617447 PRODUCTION OF MEVALONIC ACID BY ENDOMYCOPSIS FIBULIGER  
Four- to 5-day fermentations of the unrestrictedly available yeast Endomycopsis fibuliger NRRL Y-7069 (catalogued by the Institute of Applied Microbiology, Tokyo, as IAM-4347) provides the...
3546072 PREPARATION OF 5-DEHYDRO-SHIKIMIC ACID BY FERMENTATION  
3455785 MICROBIOLOGICAL PROCESS  
3409506 Microbiological production of esters  
3354047 Process for the recovery of hydrocarbon fermentation poroducts  
3344037 Oxidation of alcohols and aldehydes by induced enzymes produced from hydrocarbon-utilizing micro-organisms whereby aldehydes and acids are produced  
3340155 Microbiological oxidation of substituted naphthalenes  
3326771 Enzymatic oxidation of hydrocarbons  
Matches 351 - 400 out of 421 < 1 2 3 4 5 6 7 8 9 >