PURAC BIOCHEM B.V. Patent applications |
Patent application number | Title | Published |
20160075821 | Method to Manufacture PLA Using a New Polymerization Catalyst - The invention relates to a method for manufacturing polylactide, comprising the steps of mixing lactide and a metal-coordination compound as polymerization catalyst to obtain a reaction mixture, polymerizing the lactide in liquid phase at a temperature of at least 150° C. to form polylactide in liquid phase and allowing the polylactide to solidify, characterized in that the polymerization catalyst comprises a metal-ligand coordination compound whereby the parent ligand answers the formula (I), whereby R represents an H atom, an aliphatic group, a halide atom or a nitro group and the metal is at least one of Zr and Hf. The invented catalysts show kinetics which is comparable to the kinetics of the known Sn-octoate catalyst. | 03-17-2016 |
20150359255 | IMPROVED NISIN PRODUCTION PROCESS - The present invention relates to fermentation processes. The objective of the invention was to provide methods for producing nisin containing ferments and formulating such ferments into preservatives. It was in particular an object of the present invention to provide improved processes for producing nisin containing ferments by simple and efficient (batch) culturing and allowing for simple down-stream processing either into a liquid, semi-liquid or a dry powder product, having sufficient nisin content and stability, good handling properties and satisfactory organoleptic properties. Such processes are provided, as well as the products that can be obtained with it and their use as food preservative. | 12-17-2015 |
20150353611 | IMPROVED NISIN PRODUCTION PROCESS - The present invention relates to fermentation processes. The objective of the invention was to provide methods for producing nisin containing ferments and formulating such ferments into preservatives. It was in particular an object of the present invention to provide improved processes for producing nisin containing ferments by simple and efficient (batch) culturing and allowing for simple down-stream processing either into a liquid, semi-liquid or a dry powder product, having sufficient nisin content and stability, good handling properties and satisfactory organoleptic properties. Such processes are provided, as well as the products that can be obtained with it and their use. | 12-10-2015 |
20150329884 | PROCESS OF PRODUCING A LACTATE FERMENT - The present invention relates to fermentation processes. The objective of the invention was to provide methods for producing ferments and formulating such ferments into preservatives. It was in particular an object of the present invention to provide improved processes for producing lactic acid containing ferments by simple and efficient (batch) culturing and allowing for simple down-stream processing either into a liquid, semi-liquid or a dry powder product, having sufficient stability, good handling properties and satisfactory organoleptic properties. Such processes are provided, as well as the products that can be obtained with it and their use as food preservative. | 11-19-2015 |
20150225683 | PREPARATION OF A POWDERED VINEGAR - The present invention provides a powdered vinegar that comprises partly neutralized vinegar, i.e. vinegar derived acid that is partly neutralized with e.g. sodium and/or potassium hydroxide, and free vinegar derived acid. The invention also provides a process for producing such a powdered vinegar and the use of this powdered vinegar in a foodstuff or a beverage, e.g. as a preservative. The present process offers the advantage that it yields a stable, free flowing powdered vinegar that can suitably be used as a preservative in e.g. processed meat products. The powdered vinegar has a high content of free acid, is easy to dissolve and acts as an acidulant. | 08-13-2015 |
20150203882 | POLYPEPTIDES HAVING OXIDOREDUCTASE ACTIVITY AND THEIR USES - The invention relates to a polypeptide having oxidoreductase activity which comprises the amino acid sequence set out in SEQ ID NO: 3 or an amino acid sequence encoded by the nucleotide sequence of SEQ ID NO: 4, or a variant polypeptide thereof having 45% or more sequence identity with the sequence of SEQ ID NO: 3. The invention also relates to a process for the production of 2,5-furan-dicarboxylic acid (FDCA) or production of 5-hydroxymethyl-2-furancarboxylic acid (HMF acid). | 07-23-2015 |
20150150835 | LACTATE POWDER AND METHOD FOR THE PREPARATION THEREOF - The present invention relates to a lactate powder, more particularly a lactate powder having a lactate content of at least 20 wt. % and a water content of less than 3.5 wt. %, said powder comprising calcium cations as well as sodium cations. According to the invention, a calcium lactate powder combining high stability with excellent water dissolution properties can be obtained even though anhydrous calcium lactate represents the bulk of the powder if the powder additionally contains a certain amount of sodium lactate. The inventors have found that the presence of sodium lactate greatly improves the dissolution behavior of the anhydrous calcium lactate while maintaining the storage stability of the powder. The present inventors also established that the dissolution behavior of the powder can be further improved by the addition of a fast-dissolving carbohydrate material. | 06-04-2015 |
20150140186 | CLOSTRIDIUM BOTULINUM CONTROL IN MIDLY PROCESSED REFRIGERATED FOOD PRODUCTS - The protection of low-acid, high moisture and/or high water activity processed food products against outgrowth of | 05-21-2015 |
20150057345 | METHOD FOR IMPROVING ECONOMIC PERFORMANCE IN POULTRY HUSBANDRY - Method for improving the feed efficiency in poultry husbandry wherein poultry is provided with a compound directly upon hatching, the compound being selected from a lactylate in accordance with formula 1, or a Na, K, Ca, Mg, Fe(II), Zn, NH4, or Cu(II) salt thereof, | 02-26-2015 |
20140364632 | ACID/SALT SEPARATION - The invention provides a method for preparing a carboxylic acid, which method includes the steps of providing magnesium carboxylate, wherein the carboxylic acid corresponding with the carboxylate has a solubility in water at 20° C. of 80 g/100 g water or less; acidifying the magnesium carboxylate with HCl, thereby obtaining a solution comprising carboxylic acid and magnesium chloride (MgCl | 12-11-2014 |
20140357877 | ACID/SALT SEPARATION - A method for preparing a carboxylic acid, includes the steps of: providing magnesium carboxylate, wherein the carboxylic acid corresponding with the carboxylate is selected from the group made of 2,5-furandicarboxylic acid, fumaric acid, adipic acid, itaconic acid, citric acid, glutaric acid, maleic acid, malonic acid, oxalic acid and fatty acids having more than 10 carbon atoms; acidifying the magnesium carboxylate with hydrogen chloride (HCl), thereby obtaining a solution including carboxylic acid and magnesium chloride (MgCl | 12-04-2014 |
20140349355 | POLYCARBOXYLIC ACID EXTRACTION - The invention pertains to method for recovering polycarboxylic acid from an aqueous mixture including the steps of: providing an aqueous mixture including polycarboxylic acid and at least 5 wt. % dissolved halide salt, based on the total weight of water and dissolved material in the aqueous mixture; extracting the polycarboxylic acid from the aqueous mixture into a first organic liquid including an organic solvent selected from the group consisting of ketones and ethers, thereby obtaining an organic polycarboxylic acid solution and an aqueous waste liquid including the halide salt; and extracting the polycarboxylic acid from the organic carboxylic acid solution into an aqueous liquid, thereby obtaining an aqueous polycarboxylic acid solution and a second organic liquid. The method according to the invention allows a combined purification and concentration step for feed solutions of polycarboxylic acids. | 11-27-2014 |
20140302218 | PRESERVATIVE COMBINATIONS - The present invention relates to a preservative system capable of protecting against spoilage by bacteria, yeasts and moulds in carbonated and non-carbonated beverages. In accordance with the invention this objective is realized with a preservative system comprising a combination of vanillin and cinnamate. Vanillin is known for its anti mould action. However the dosages that are needed of are too high for most applications. The present inventors found that potassium cinnamate at low concentrations has a positive effect on the inhibition of moulds in combination with vanillin. Moreover, the present invention, using a combination of vanillin cinnamate accomplishes complete inactivation of moulds at manageable sensory levels. Hence the present invention provides a preservation system comprising combinations of vanillin and cinnamate as well as applications of such preservation systems in alimentary products, especially carbonated and non-carbonated beverages. | 10-09-2014 |
20140302217 | PRESERVATIVE COMBINATIONS COMPRISING PROPIONIC ACID AND VANILLIN AND/OR CINNAMIC ACID - The present invention relates to a preservative system capable of protecting against spoilage by bacteria, yeasts and moulds in carbonated and non-carbonated beverages. In accordance with the invention this objective is realized with a preservative system comprising a combination of propionate with vanillin and/or cinnamate. Vanillin and propionate are both known for their anti mould action. However the dosages that are needed of the separate ingredients are too high for most applications. The present inventors found that potassium cinnamate at low concentrations has a positive effect on the inhibition of moulds in combination with vanillin and propionate. Moreover, the present invention, using a combination of vanillin, propionate and cinnamate accomplishes complete inactivation of all moulds at manageable sensory levels. Hence the present invention provides a preservation system comprising combinations of propionate with vanillin and/or cinnamate as well as applications of such preservation systems in alimentary products, especially carbonated and non-carbonated beverages. | 10-09-2014 |
20140287466 | PROCESS FOR THE CONVERSION OF LIGNOCELLULOSE MATERIAL INTO AN ORGANIC ACID - The invention relates to a process for the conversion of lignocellulose into an organic acid including an alkaline pretreatment step and a fermentation step, wherein liquid phase obtained in the fermentation step is recycled to the alkaline pretreatment step and/or the fermentation step. Organic acid is recovered as its magnesium of calcium salt from solid phase obtained in the fermentation step. | 09-25-2014 |
20140220338 | RESORBABLE AND BIOCOMPATIBLE FIBRE GLASS COMPOSITIONS AND THEIR USES - Biocompatible and resorbable melt derived glass compositions which include: SiO | 08-07-2014 |
20140200365 | ACID/SALT SEPARATION - The invention provides a method for preparing a succinic acid, which method includes the steps of: providing magnesium succinate; acidifying the magnesium succinate with hydrochloric acid (HCl), thereby obtaining a solution including succinic acid and magnesium chloride (MgCl | 07-17-2014 |
20140161864 | ACTIVE FORMULATION FOR USE IN FEED PRODUCTS - Invention pertains to a free-flowing particulate powder including 2-90 wt. % of an active compound on a carrier, wherein the carrier has a D(v,0.1) of at least 100 microns, with the active compound being selected from lactylate in accordance with formula (1), Formula (1): R2-COO—[—CH(CH3)-COO]n-R1 or a Na, K, Ca, Mg, Fe(II), Zn, NH4, or Cu(II) salt thereof, a glycolylate of formula (2), Formula (2): R2-COO—[—CH2-COO]n-R1 or a Na, K, Ca, Mg, Fe(II), Zn, NH4, or Cu(II) salt thereof a lactate ester of formula (3), Formula (3): HO—CH(CH3)-COO—R2 and/or a glycolic acid ester of formula (4), Formula (4): HO—CH2-COO—R2 wherein in the above formulae R1 is selected from H, n stands for an integer with a value of 1-10, and R2 stands for a C1-C35 alkyl or alkenyl chain which may be branched or unbranched. The powder allows easy provision of the active compound to feed compositions. | 06-12-2014 |
20140073019 | GENETICALLY MODIFIED CELL AND PROCESS FOR USE OF SAID CELL - The present invention relates to the field of biotransformation of furanic compounds. More particular the present invention relates to novel genetically modified cells with improved characteristics for biocatalytic transformation of furanic compounds and a vector suitable for the genetic modification of a host cell. Further aspects of the invention are aimed at processes for biotransformation of 5-(hydroxymethyl)furan-2-carboxylic acid (HMF-acid) and its precursors with the use of the cell according to the invention. | 03-13-2014 |
20140012043 | METHOD FOR REMOVAL OF THE CYCLIC DIESTER OF A 2-HYDROXY ALKANOIC ACID FROM A VAPOR - The invention relates to a method for the removal of the cyclic diester of a 2-hydroxy alkanoic acid from a vapor containing said diester, wherein the vapor is contacted with an aqueous solution so that the diester dissolves in said solution. According to the invention, the method is characterized in that the solution is an alkaline solution, preferably having a pH above 10. The problem of the formation of slurries of the diester in the aqueous solutions can be prevented by the present invention. The method can be applied with great advantage in the production or conversion of lactide. | 01-09-2014 |
20130280380 | FRUIT FERMENTS CONTAINING PROPIONATE AND USE THEREOF - The present invention discloses a method to prepare a fruit ferment containing propionic acid and/or a salt thereof comprising i) obtaining a liquid fruit preparation, ii) optionally supplementing the liquid fruit preparation with water and/or with additional components to support fermentation, iii) fermenting the optionally supplemented liquid fruit preparation with a propionic acid-producing bacterial strain, iv) optionally further processing the fermentation product, to obtain the fruit ferment. Next to a propionic acid-producing bacterial strain, a lactic acid-producing bacterial strain may be used in the fermentation. The invention also relates to a fruit ferment obtainable by said method and the use in a food, beverage, as a probiotic and to improve the sensory properties and/or the storage stability is also disclosed. | 10-24-2013 |
20130259999 | METHOD FOR INHIBITING YEAST ACTIVITY - The combination of EGCG and a derivative of a basic amino acid has been found to be an effective anti-yeast agent in acidic food. The present invention relates to a method for controlling or preventing the growth of yeast in acidic food (i.e. with a pH between 2 and 6) including adding to the food a) epigallocatechin gallate (EGCG) and b) a derivative of a basic amino acid, and/or a salt thereof, as an anti-yeast agent. The present invention further relates to a composition for addition to food and to an acidic food including the composition, which includes a) epigallocatechin gallate and b) both lauric arginate and polylysine. | 10-03-2013 |
20130225787 | PROCESS FOR MANUFACTURING LACTIC ACID - A process for the preparation of lactic acid includes: | 08-29-2013 |
20120282468 | ALKALI METAL CINNAMATE POWDER AND METHOD FOR PREPARATION - A method for the preparation of an alkali metal cinnamate powdery product, preferably potassium cinnamate or sodium cinnamate, is disclosed herein. The resulting product has novel structural properties. The powder of the present disclosure is made via spray-drying and/or spray agglomeration and has a higher flowability, is less cohesive and less dusty, has an improved dissolution rate and in particular has a very favorable organoleptic profile. The disclosure is also directed to product applications in which the novel cinnamate product of the present disclosure may be applied. | 11-08-2012 |
20120244587 | FERMENTATION PROCESS AT REDUCED PRESSURE - A fermentation process includes contacting a carbohydrate source with a microorganism in an aqueous fermentation broth to form a fermentation product which is a salt or a product with a boiling point above the boiling point of water. The fermentation process is carried out at a pressure which is below atmospheric pressure and at least at the value where the reaction medium is at its boiling point at the fermentation temperature. Water is evaporated and removed from the reactor during the fermentation in an amount which is at least 20% of the volume of liquid present in the reactor at the start of the fermentation. A fermentation process at reduced pressure while removing a substantial amount of water removes a surplus of water in the system, ensures removal of reaction heat, and may lead to improved fermentation quality. | 09-27-2012 |
20120165568 | LIQUID LACTIC ACID COMPOSITION AND METHOD FOR PREPARATION THEREOF - A method of preparing a liquid lactic acid composition that has a total acid content of at least 94% (w/w) and that does not crystallise at a temperature above 10° C. includes obtaining a starting liquid lactic acid composition that has a total acid content of at least 94% (w/w) and that crystallises at a temperature above 10° C. and incubating said starting liquid lactic acid composition at a temperature above the crystallisation point of the starting liquid lactic acid composition for a time period to obtain the liquid lactic acid composition that does not crystallise at a temperature above 10° C. | 06-28-2012 |
20120045541 | USE OF ALKALI METAL LACTATE IN CURING OF SEAFOOD SURIMI PRODUCTS - The present invention discloses a method for the preparation of a cured seafood surimi product comprising: providing raw fish surimi; mixing the raw surimi with an alkali metal lactate in an amount of 0.1 to 10% (w/w), and an additional ingredient as desired; curing the mixture of raw fish surimi, alkali metal lactate and additional ingredient; and, optionally, further processing the cured surimi product. The alkali metal lactate preferably is potassium lactate. The alkali metal lactate improves the texture of the cured seafood surimi product. | 02-23-2012 |
20120023653 | DELAYED-RELEASE SHAPED BODIES FOR USE IN TOILETS - A shaped body suitable for use as acid-releasing body in toilets includes 10-95% of a lactic acid oligomer with an average degree of polymerization between 1.8 and 4. The shaped body provides for the controlled release of lactic acid, which serves to reduce or prevent to the formation of calcium and magnesium deposits in the toilet, contributes to soap scum removal, and has a sanitizing and disinfecting effect. The shaped bodies may be used in-bowl or in-cistern. | 02-02-2012 |
20110300257 | METHOD FOR MANUFACTURING A FERMENTATION PRODUCT CONTAINING PROPIONATE AND ACETATE COMPRISING A STEP OF REMOVING CARBONATE-DERIVED COMPOUNDS - A method for manufacturing a mixed solution comprising propionate and acetate includes adding acid to a fermentation product to obtain an acidified fermentation product comprising propionate and acetate with a pH in the range of 2.5 to 8. The method optionally includes removing carbonate-related compounds from the mixed solution. | 12-08-2011 |
20110263799 | PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYESTERS - A continuous process for the ring-opening polymerisation of cyclic ester monomers to form aliphatic polyesters at a temperature between 100-240° C. which includes a) continuously providing cyclic ester monomer and polymerisation catalyst to a continuous mixing reactor, the reactor being operated at conditions effective for polymerisation to form a pre-polymerised reaction mixture, | 10-27-2011 |
20110244534 | PROCESS FOR THE PREPARATION OF A MONOVALENT SUCCINATE SALT - A process for the preparation of a monovalent succinate salt includes:
| 10-06-2011 |
20110230395 | Antibacterial agent based on fatty acid esters of hydroxy carboxylic acids - An antibacterial composition includes a combination of fatty acid ester of fatty acid and hydroxy carboxylic acid with an antibacterial agent selected from polylysine, chitosan, protamine, their salts and mixtures hereof. The hydroxy carboxylic acid may be present as acid in its free form, in its salt form and/or in its ester form. The composition may be used as an antibacterial agent against gram-negative bacteria in various products, applications and methods. | 09-22-2011 |
20110178339 | PROCESS FOR MANUFACTURING N, N-DIALKYL LACTAMIDE - A process for manufacturing dialkyl lactamide including reacting lactide and dialkylamine selected from one or more of dimethylamine, diethylamine, and methylethylamine to form a reaction mixture which includes dialkyl lactamide selected from N,N-dimethyl lactamide, N,N-diethyl lactamide, and N,N-methylethyl lactamide, N,N-dialkyl lactoyl lactamide, and dialkylamine, subjecting the reaction mixture to a separation step to form a product stream including N,N-dialkyl lactamide, a first recycle stream including dialkylamine and a second recycle stream including N,N-dialkyl lactoyl lactamide, feeding the recycle streams to the reaction step, and isolating the product stream. The process allows the manufacture of N,N-dimethyl lactamide, N,N-diethyl lactamide, and N,N-methylethyl lactamide on a commercial scale. | 07-21-2011 |
20100263690 | Cleaning with controlled release of acid - The present invention discloses a method for cleaning a substrate comprising contacting the substrate in a cleaning cycle with an aqueous cleaning solution comprising an aqueous diluent and a detergent composition, the detergent composition comprising a glycolic and/or lactic acid oligomer with an average degree of polymerization between 1.8 and 6. Preferably, the substrate is contacted in a rinse cycle with an aqueous rinse which is substantially free of an intentionally added rinse agent or fabric softener. | 10-21-2010 |
20100160650 | Stable lactide particles - The present invention is directed to stable lactide particles, more specifically lactide particles which are stable enough to be stored and transported at room temperature and have a quality high enough for use as starting material for polylactic acid. The lactide particles have a surface/volume ratio of the particle is lower than 3000. Preferably the lactide in the particle has an optical purity of at least 95%. The lactide particles are prepared by subjecting lactide to a shaping step comprising extrusion, pastillation, prilling, tabletting, or flaking. | 06-24-2010 |
20100062503 | Lactic acid production from concentrated raw sugar beet juice - The present invention is in the field of the preparation of lactic acid by means of fermentation on industrial scale wherein a concentrated raw beet juice having a Brix of at least 60 is used as fermentation substrate. After dilution to the desired initial sugar concentration and addition of nutrients, the juice is fermented to lactic acid and/or lactate by means of a lactic acid-producing microorganism. Said concentrated raw beet juice is prepared by: washing and cutting sugar beet and extracting the cossettes in water, removing the beet pulp from the resulting raw beet juice, and heat treating the raw beet juice at a temperature between 50 and 90 degrees Celsius, and concentrating the raw beet juice to at least 60 Brix. | 03-11-2010 |
20090261510 | Polymer composition comprising polylactide - The present invention pertains to a polymer composition comprising one of poly-D-lactide and poly-L-lactide bonded to an anionic clay mineral and the other of poly-D-lactide and poly-L-lactide not bonded to the anionic clay mineral. In a preferred embodiment, the anionic clay mineral is a hydrotalcite or a meixnerite. | 10-22-2009 |
20090247710 | Method for manufacturing stable polylactide - The present invention pertains to a process for manufacturing polylactide comprising the steps of combining lactide with a polymerization catalyst, subjecting the mixture to polymerization conditions to form polylactide in the liquid state, adding an organic peroxide, subjecting the liquid polylactide to a devolatilisation step, and allowing the polylactide to solidify. | 10-01-2009 |
20090202448 | Metal lactate powder and method for preparation - The present invention relates to a method for the preparation of a new metal lactate powdery product and to the resulting product itself with new properties. The metal lactate powder of the present invention is made via spray-drying and has a higher flowability, is less sticky and dusty, has an improved dissolution rate and is very suited for tabletting purposes. The invention is also directed to product applications in which said spray-dried metal lactate product may be applied, wherein the metal is selected from zinc and magnesium. | 08-13-2009 |
20090201760 | Vortex mixer and method of obtaining a supersaturated solution or slurry - The invention relates to a vortex mixer comprising a mixing chamber having an axial outlet and at least one inlet which is at least substantially tangential. The mixer further comprises a residence chamber extending axially on the side of the mixing chamber opposite from the axial outlet. | 08-13-2009 |
20090104339 | METHOD FOR PREPARING CALCIUM GLUCONATE - The invention provides for a method for the preparation of a gluconic acid from glucose. It is an aspect of the invention to provide a method that comprises the use of enzymes. The method according to the invention can be applied with great benefit to the production of calcium gluconate suitable for use as a food fortifier by a process that is economical. | 04-23-2009 |
20090082443 | Use of fatty acid esters of glycerol combined with polylysine against gram-negative bacteria - The present invention relates to a method for the prevention and/or reduction of the presence, growth and/or activity of gram-negative bacteria comprising application of a composition comprising glycerol-based fatty acid esters and polylysine and/or salts of polylysine, wherein said glycerol-based fatty acid ester is used as antibacterial agent. The present invention further relates to the use of said composition as antibacterial agent in various products and applications ranging from technical products and personal-care products to food and drink products for animals and human consumption. | 03-26-2009 |
20090082253 | Antibacterial agent based on fatty acid esters of hydroxy carboxylic acid acids - The present invention relates to an antibacterial composition based on a combination of fatty acid ester of fatty acid and hydroxy carboxylic acid with an antibacterial agent selected from polylysine, protamine, their salts and mixtures hereof. The hydroxy carboxylic acid may be present as acid in its free form, in its salt form and/or in its ester form. | 03-26-2009 |
20090074926 | Preservation of acidic beverages - The present invention is directed to a method for preserving acidic beverages having a pH of or below 4.8 against fungi, yeasts and bacteria. Said preservation method comprises the application of a composition based on polylysine and/or a salt hereof in combination with a second preservative agent selected from glyceride and/or fatty acid ester of hydroxycarboxylic acid in its acidic, salt or ester form. | 03-19-2009 |
20080317921 | Process for increasing the food safety of cooked meat products - The present invention pertains to a process for manufacturing a cooked meat product, in particular a cooked meat product with an increased shelf-life stability and an increased resistance against the growth of bacteria, in particular | 12-25-2008 |
20080315020 | Method for Comminuting Polymeric Shaped Articles by Milling - The invention pertains to a method for comminuting a polymeric shaped article to particles having an average particle size smaller than 6 mm by using a grinding apparatus, characterized in that the shaped article prior to grinding is subjected to a milling step in a milling apparatus to substantially fully convert the shaped article into chips, after which the chips are fed into the grinding apparatus for further comminuting giving at least 25 wt. % less particles having a size less than 1 mm than obtained by the grinding step only. | 12-25-2008 |
20080305228 | Method for removing odor from vinegar - The invention relates to a method for removing odor from vinegar comprising:
| 12-11-2008 |
20080261285 | Method for the production of lactic acid or a salt thereof by simultaneous saccharification and fermentation of starch - The present invention pertains to a method for the production of lactic acid or a salt thereof wherein starch is subjected to a process of simultaneous saccharification and fermentation, the method comprising saccharifying starch in a medium comprising at least a glucoamylase and simultaneously fermenting the starch using a microorganism, and optionally isolating lactic acid from the medium, characterized in that a moderately thermophilic lactic acid-producing microorganism is used. The invention further relates to a method of performing said process in the presence of a moderately thermophilic lactic acid producing microorganism, which has been adapted to have its maximum performance at the working pH. | 10-23-2008 |
20080261284 | Method for the production of lactic acid or a salt thereof by simultaneous saccharification and fermentation of starch - The present invention pertains to a method for the production of lactic acid or a salt thereof, wherein starch is subjected to a process of simultaneous saccharification and fermentation, the method comprising saccharifying starch in a medium comprising at least a glucoamylase and simultaneously fermenting the starch using a microorganism, and optionally isolating lactic acid from the medium, characterized in that a moderately thermophilic lactic acid-producing microorganism is used. The invention further relates to a method of performing said process in the presence of a moderately thermophilic lactic acid producing microorganism, which has been adapted to have its maximum performance at the working pH. | 10-23-2008 |