WO1999024448A2 - Neuartige sophoroselipide, verfahren zu deren herstellung und verwendung - Google Patents
Neuartige sophoroselipide, verfahren zu deren herstellung und verwendung Download PDFInfo
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- WO1999024448A2 WO1999024448A2 PCT/EP1998/006590 EP9806590W WO9924448A2 WO 1999024448 A2 WO1999024448 A2 WO 1999024448A2 EP 9806590 W EP9806590 W EP 9806590W WO 9924448 A2 WO9924448 A2 WO 9924448A2
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- Prior art keywords
- alkanols
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- lipid
- alkanone
- sophorose
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/667—Neutral esters, e.g. sorbitan esters
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/60—Sugars; Derivatives thereof
- A61K8/602—Glycosides, e.g. rutin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/02—Acyclic radicals, not substituted by cyclic structures
- C07H15/04—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/44—Preparation of O-glycosides, e.g. glucosides
- C12P19/46—Preparation of O-glycosides, e.g. glucosides having an oxygen atom of the saccharide radical bound to a cyclohexyl radical, e.g. kasugamycin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
- A61K2800/85—Products or compounds obtained by fermentation, e.g. yoghurt, beer, wine
Definitions
- the present invention relates to novel sophorose lipids, processes for their biotechnological production and their use as surfactants, cosmetics, disinfectants or pharmaceuticals
- Microbial glycolipids have been known for a number of years as biosurfactants with a wide range of uses in cosmetics, the detergent and cleaning agent sector, the food sector, medicine and environmental protection Better degradability is caused by bacteria, yeasts or fungi when growing on long-chain petroleum products, on vegetable oils and fats or their derivatives or on
- the sophorose lipid can be prepared from various yeasts of the genus Candida (Torulopsis) as a secondary metabolite using a substrate from the carbon sources mentioned above.
- Suitable yeast strains are Candida bombicola, Candida bogonensis, Candida magnoliae,
- Candida gropengiessen and Candida apicola are described [R Hommel, Biodegradation, 1, (1991), 107]
- the sophorose lipids formed by the genus Candida have the structure shown below (1) R
- non-cyclized intermediates are also found in small proportions.
- the hydroxy fatty acid can be saturated, but can also be polyunsaturated.
- the 6'-O and 6 "-O positions of the glucose units are acetylated to different degrees. With these sophorose lipids, only slight differences in the fatty acids of the side chain are observed.
- sophorose lipid lactones have to be converted into the sophorose lipid esters or amides via complex synthesis and purification steps become [p. Inoue, et al. U.S. patent. 4,215,213, 1990; Y. Ishigami, JP application: Toku Kai Hei 6-100581].
- R and R independently of one another H or CH and
- R 3 is H or -OH.
- R 1 and R 2 are H
- R 3 represents H and where n is an integer from 6 to 14, preferably 8 to
- R 1 represents H and R 2 -C (O) CH 3 , R 1 -C (O) CH 3 and R 2 H or R 1 and R 2 H, R 3 represents H or -OH and where n is an integer from 6 to 14, * preferably 8 to 12.
- the present invention further relates to a process for the preparation of sophorose lipids according to formula I, the radicals R 1 , R 2 and R 3 and n having the abovementioned meaning and R 4 -CH 3 , -CH 2 CH 3 or -CH 2 CH 2 CH 3 means in which a yeast with the ability to secrete sophorose lipids in the form of a lactone in the culture supernatant is fermented in a culture medium which contains glycerol, succinate, a mono-, a di- and / or a trisaccharide and a lipid - Contains precursor, and then the sophorose lipid is isolated from the culture solution, characterized in that the lipid precursor has one or more 3-alkanols, 4-alkanols or alkanones with a chain length of 6 to 30 carbon atoms or mixtures of these alkanols / alkanones.
- the chain length of the alkanol / alkanone is preferably 10 to 18
- the present invention further relates to a process for the preparation of sophorose lipids according to formula I, where the radicals R 1 , R 2 and R 3 and n have the meaning given above and R 4 is H, -CH 3 , -CH 2 CH 3 or - CH 2 CH 2 CH 3 means in which a yeast with the ability to sophorose lipids in the form of a lactone in the
- a culture medium which contains glycerol, succinate, a mono-, a di- and / or a trisaccharide and a lipid precursor, and then the sophoroselipid is isolated from the culture solution, characterized in that the lipid Precursor one or more alkanols, alkanals or alkanones with a chain length of 6 to 30 carbon atoms or
- the chain length of the alkanol / alkanone / alkanal is preferably from 10 to 18 carbon atoms, which can be used to prepare a compound of the formula I in which n is an integer from 4 to 15; preference is given to a 1-alkanol or an alkanal as lipid Precursor used, particularly preferred as alkanol 1-
- Lipid precursor is to be understood here as meaning compounds which have an alkyl chain of 6 to 30 carbon atoms and at least one as a functional group
- lipid precursors are 1-alkanols, 2-alkanols, 3-alkanols, 4-alkanols, alkanals, 2-alkanones, 3-alkanones, 4-alkanones with a chain length of 6 to 30 carbon atoms.
- 1-alkanols are, without being restricted thereby, 1-hexanol, 1-octanol, 1-decanol, 1-undecanol, 1-dodecanol, 1-tetradecanol, 1-pentadecanol, 1-octadecanol, 1-eicosanol or 1-triacontanol, preference is given to 1-dodecanol and 1-tetradecanol.
- 2-alkanols are, without being restricted thereby, 2-hexanol, 2-octanol, 2-decanol, 2-undecanol, 2-dodecanol, 2-tetradecanol, 2-pentadecanol, 2-octadecanol, 2-eicosanol or 2-triacontanol, preference is given to 2-dodecanol and 2-tetradecanol.
- 3-alkanols are, without being restricted thereby, 3-hexanol, 3-octanol, 3-decanol, 3-undecanol, 3-dodecanol, 3-tetradecanol, 3-pentadecanol, 3-octadecanol, 3-eicosanol or 3-triacontanol, preference is given to 3-dodecanol and 3-tetradecanol.
- 4-alkanols are, without being restricted thereby, 4-octanol, 4-decanol, 4-undecanol, 4-dodecanol. 4-tetradecanoi, 4-pentadecanol, 4-octadecanol, 4-eicosanol or 4-triacontanol, 4-dodecanol and 4-tetradecanol are preferred.
- alkanals are, without being restricted thereby, hexanal, octanal, decanal, undecanal, dodecanal, tetradecanal, pentadecanal,
- Octadecanal, Eicosanal or Triacontanal, dodecanal and tetradecanal are preferred.
- 2-alkanones are, without being restricted thereby, 2-hexanone, 2-octanone, 2-decanone, 2-undecanone, 2-dodecanone, 2-tetradecanone,
- 2-pentadecanone 2-octadecanone, 2-eicosanone or 2-thacontanone
- preference is given to 2-dodecanone and 2-tetradecanone.
- 3-alkanones are, without being restricted thereby, 3-hexanone, 3-octanone, 3-decanone, 3-undecanone, 3-dodecanone, 3-tetradecanone,
- 3-pentadecanone 3-octadecanone, 3-eicosanone or 3-triacontanone, preference is given to 3-dodecanone and 3-tetradecanone.
- 4-alkanones are, without being restricted thereby, 4-octanone, 4-decanone, 4-undecanone, 4-dodecanone, 4-tetradecanone, 4-
- Pentadecanone 4-octadecanone, 4-eicosanone or 4-triacontanone, preference is given to 4-dodecanone and 4-tetradecanone.
- Oxygen supply bound during the production phase By limiting the oxygen concentration of the culture medium with the aid of suitable methods, the oxidation-minimizing oxidation of the fatty alcohol to the fatty acid can be almost prevented and the formation of the desired products is thus increased.
- Suitable methods for limiting the oxygen concentration are, for example, the lowering, without this being intended to be a limitation the fumigation rate and the reduction of the stirrer speed, whereby oxygen depletion can also be brought about by the metabolism of the yeasts.
- the oxygen concentration is accessible by measuring the oxygen partial pressure. This is 5 to 40%, preferably 5 to 15% of the saturation value during the product formation phase of the fermentation.
- the saturation value relates to air (oxygen content approx. 21%, based on the volume of the gas mixture), which is passed through the culture solution under normal pressure at the respective fermentation temperature. It can be determined with a suitable probe at the beginning of the fermentation.
- all yeast strains can be fermented which secrete the sophorose lipids described in the literature in lactone form (structure 1) into the culture supernatant.
- a yeast of the genus Candida is particularly suitable for the process according to the invention, preferably Candida bombicola, Candida bogoriensis, Candida magnoliae, Candida gropengiesseri or Candida apicola, which are commercially available.
- Glucose or sucrose are particularly suitable as carbon sources.
- alkanols alkanals or alkanones with chain lengths of
- C6 to C30 as a hydrophobic carbon source in addition to a further carbon source such as glycerol, succinate or mono-, di- and trisaccharides such as sucrose, mannose, fructose, glucose and D-mannitol or other sugar alcohols, preferably glucose or sucrose, the sophorose lipids can be obtained with a variation in the structure of the hydrophobic part of the molecule.
- a further carbon source such as glycerol, succinate or mono-, di- and trisaccharides such as sucrose, mannose, fructose, glucose and D-mannitol or other sugar alcohols, preferably glucose or sucrose
- the products are not mono- or diacetylated in the sugar portion in the 6'-O- and 6 "-O-position of the glucose unit.
- the acetylated sophorose lipids can be converted into the non-acetylated compounds by an alkaline hydrolysis.
- the culture solution is neutralized after separating the biomass by centrifugation or filtration with an alkali and with an organic solvent such as. B.
- Carboxylic acid esters such as ethyl acetate, butyl acetate or ethers, such as tert-butyl methyl ether and diethyl ether or other known to those skilled in the art
- the products acetylated in the 6'-O- and 6 "-O-positions can be converted into the corresponding hydroxy compounds by alkaline saponification with bases (for example aqueous NaOH) or alkanolates (for example sodium methoxide).
- bases for example aqueous NaOH
- alkanolates for example sodium methoxide.
- the producer strains used are fermented in a medium with alkanols, alkanals or alkanones with a chain length of C6 to C30, preferably C10 to C18.
- the concentration of alkanols, alkanals or alkanones can be set at the start of the fermentation or selected by continuous replenishment according to the conversion rate, the
- Postdosing is preferred.
- sugars preferably glucose or sucrose
- the medium should also contain one or more nitrogen sources, sulfate and magnesium as well as potassium, sodium, calcium and chloride ions, one or more phosphate sources and a growth-promoting complex substrate such as e.g. Yeast extract included.
- the sugar is used in concentrations of 30 to 200 g / l nutrient solution, with concentrations between 80 and 150 g / l being preferred.
- ammonium chloride or ammonium sulfate can be used in concentrations of 0.1 to 5 g / l nutrient solution, preferably a concentration of 0.5 - 2.5 g / l is selected.
- a 0.001 to 0.1 molar sodium phosphate or potassium phosphate buffer or a mixture of the two metal ions is used as the phosphorus source and for buffering the medium.
- the optimal temperature for fermentation is in the range between 20 and 40 ° C, preferably 25 to 30 ° C.
- the pH is unregulated and drops during fermentation. At the beginning of the fermentation, it is adjusted to a value of approximately 5 to 7, preferably 5.5 to 6.5, by the buffer.
- the pH during the product formation phase is preferably in the range from 2.5 to 4.
- sophorose lipids obtained as explained above have a significantly increased effect Solubility (chain length of the alcohol ⁇ C22) relative to the classic products a greater reduction in the surface tension of water.
- novel sophorose lipids have excellent surface and interfacial activity. They are very biodegradable and have a bactericidal effect.
- the products can be used as surfactants, emuigators, co-surfactants and as a moisture-retaining agent. They therefore have application prospects in the detergent and cleaning agent sector. Since they have a low toxicity, they can be used for the production of cosmetics and used in the food sector. As biodegradable biosurfactants, they can be used in environmental protection. Because of their microbicidal activity, they can be used in medicine, for example, as pharmaceuticals or as disinfectants.
- enantiomerically pure alcohols can be obtained from the biosurfactant.
- the microorganisms convert the ketones or racemic secondary alcohols used into optically active alcohols.
- the enantiomeric excess achieved is considerably greater than 95%.
- optically active alcohols can be achieved, for example, by acid methanolysis, without this being intended to restrict it.
- the medium is inoculated with the yeast Candida bombicola ATCC 22214 and incubated on a rotary shaker at 100 rpm and a temperature of 30 ° C. After a cultivation period of 48, 72 and 96 h, 5 g / l 1 -dodecanol are added to the culture solution under aseptic conditions.
- the culture management between and after the addition of alcohol takes place under unchanged conditions.
- the measured dry biomass concentration at the end of the cultivation is 17 g / l.
- the pH of the culture suspension drops over the entire range of cultivation. After a cultivation period of 10 d, the amount of alcohol offered has been converted; the cultivation is then stopped.
- the culture suspension is neutralized with 1 N sodium hydroxide solution and then extracted twice with twice the volume of ethyl acetate.
- the organic phases are separated, combined and dried over anhydrous sodium sulfate.
- the solvent is reduced at a reduced rate Distilled off pressure on the rotary evaporator.
- the solidified, almost water-free, yellow-brown crude product is obtained in a yield of 8 g / l, corresponding to 0.53 g per g of 1-dodecanol.
- Nuclear magnetic resonance spectroscopy and FAB mass spectrometry as well as a combined gas chromatographic-mass spectrometric analysis of the hydrophobic part of the molecule (after acidic methanolysis) of the compounds can be used to demonstrate that the individual compounds are based on the molecular structures shown in the figures.
- the main product of cultivation is
- Glycolipid mixture based on glucose / 1 -dodecanol Glycolipid mixture based on glucose / 1 -dodecanol:
- the medium is inoculated with the yeast Candida bombicola ATCC 22214 and incubated for 40 h under the specified conditions until the biomass (18 g / l) has completely developed.
- 1.5 g / l 1 -dodecanol is supplied sterile via a metering pump.
- the yeast culture reacts to the metering in by spontaneously lowering the dissolved oxygen concentration from previously 75 to 10% pO 2 .
- the carbon dioxide formation rate and the Oxygen consumption rate significantly.
- After further addition of 2 g / l of 1-dodecanol it takes about 30 hours until the added fatty alcohol is completely metabolized.
- the novel sophorose lipid can be detected in the culture broth using HPLC technology. Its concentration increases to 14.3 g / l (corresponding to 0.64 per g 1 -dodecanol) by the end of the cultivation. Furthermore, the pH of the culture suspension drops over the entire product formation period. After a cultivation period of 235 h, a total amount of 22.5 g / l of the
- Figure 1 summarizes the course of the bioreactor cultivation based on all analysis parameters.
- BTM mean dry biomass, SL sophorose lipid, Q CO 2
- the culture suspension is neutralized with 1 N sodium hydroxide solution and then twice with twice the volume
- the product mixture consists of the compounds already described in Example 1.
- the reaction solution is then adjusted to pH 4 with concentrated hydrochloric acid and cooled to 4 ° C. for 12 h.
- the precipitate which separates out is separated off using a paper filter, washed with 500 ml of ice-cold water and taken up again in 300 ml of water for recrystallization (60 ° C. ⁇ 4 ° C.).
- the precipitated product is filtered off again and then freeze-dried.
- the solid can be separated into two substances by means of chromatographic separation on silylated silica gel (RP-18) in the solvent system methanol / water 80:20 (v / v).
- RP-18 silylated silica gel
- the spectroscopic studies of the separated substances show that the non-polar main component has the structure of compound 2 (molecular structure 2b).
- the component is the deacetylated sophorose lipid predominantly with free 17-hydroxyoctadecenoic acid as the hydrophobic molecular component.
- the medium is inoculated with the yeast Candida bombicola ATCC 22214 and incubated on a rotary shaker at 100 rpm and a temperature of 30 ° C. After a cultivation period of 48, 72 and 96 h, 3.3 g / l of the various hydrophobic C substrates are added to the culture solution under aseptic conditions (total amount 10 g / l). The culture management between and after the addition of the substrates takes place under unchanged conditions. The pH of the culture suspension drops over the entire range of cultivation. After a cultivation period of 12 d, the offered amounts of 2- and 3-dodecanone and 4-tetradecanol were implemented without residue; substrate residues remain in the culture broth of the 4-dodecanone cultivation. All cultivations will then be stopped.
- the culture suspensions are neutralized with 1 N sodium hydroxide solution and then twice with twice the volume
- 2-dodecanone 14 g / l corresponding to 1.4 g per g of 2-dodecanone
- 3-dodecanone 17 g / l corresponding to 1.7 g per g of 3-dodecanone
- 4-dodecanone 3 g / l corresponding to 0.3 g per g of 4-dodecanone
- Glycolipid mixture based on glucose / 2-dodecanone Glycolipid mixture based on glucose / 2-dodecanone:
- Glycolipid mixture based on glucose / 4-dodecanone Glycolipid mixture based on glucose / 4-dodecanone:
- the sophorose lipid obtained from 2-dodecanone according to Example 4 was used to determine the enantiomeric excess of the fatty alcohol.
- the 2-dodecanol was obtained from the sophorose lipid by release using acidic methanolysis.
- the optical rotation value of the isolated 2-dodecanol was measured at 25 ° C. and a wavelength of 589 nm.
- the rotation value [a] 25 589 is +7.4 (5 g / 100 ml measured in
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Abstract
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Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98955474A EP1028969A2 (de) | 1997-11-07 | 1998-10-17 | Neuartige sophoroselipide, verfahren zu deren herstellung und verwendung |
| US09/530,769 US6433152B1 (en) | 1997-11-07 | 1998-10-17 | Sophoroselipids, method for their production and use |
| JP2000520456A JP2001522597A (ja) | 1997-11-07 | 1998-10-17 | 新規ソホロース脂質、それらの製造法および使用法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19749413.7 | 1997-11-07 | ||
| DE19749413A DE19749413A1 (de) | 1997-11-07 | 1997-11-07 | Neuartige Sophoroselipide, Verfahren zu deren Herstellung und Verwendung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1999024448A2 true WO1999024448A2 (de) | 1999-05-20 |
| WO1999024448A3 WO1999024448A3 (de) | 1999-08-19 |
Family
ID=7848037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP1998/006590 Ceased WO1999024448A2 (de) | 1997-11-07 | 1998-10-17 | Neuartige sophoroselipide, verfahren zu deren herstellung und verwendung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6433152B1 (de) |
| EP (1) | EP1028969A2 (de) |
| JP (1) | JP2001522597A (de) |
| DE (1) | DE19749413A1 (de) |
| WO (1) | WO1999024448A2 (de) |
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| WO2003002700A1 (en) * | 2001-06-27 | 2003-01-09 | Saraya Co., Ltd. | Low-foaming detergent compositions |
| JP2003009896A (ja) * | 2001-06-29 | 2003-01-14 | Saraya Kk | ソホロースリピッドの精製方法 |
| WO2006100292A1 (en) * | 2005-03-24 | 2006-09-28 | Dsm Ip Assets B.V. | Process for microbial production of a valuable compound |
| US7579174B2 (en) | 2000-01-28 | 2009-08-25 | Martek Biosciences Corporation | Enhanced production of lipids containing polyenoic fatty acid by very high density cultures of eukaryotic microbes in fermentors |
| WO2009141407A3 (en) * | 2008-05-21 | 2010-05-14 | Ecolife B.V. | A method for the production of medium-chain sophorolipids |
| US8288135B2 (en) | 1992-10-16 | 2012-10-16 | Dsm Ip Assets B.V. | Process for the heterotrophic production of microbial products with high concentrations of omega-3 highly unsaturated fatty acids |
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| US20060094089A1 (en) * | 1988-09-07 | 2006-05-04 | Martek Biosciences Corporation | Process for the heterotrophic production of microbial products with high concentrations of omega-3 highly unsaturated fatty acids |
| US20040242501A1 (en) * | 2003-03-20 | 2004-12-02 | Gross Richard A. | Spermicidal and virucidal properties of various forms of sophorolipids |
| US9012194B2 (en) * | 2004-12-22 | 2015-04-21 | Synthezyme Llc | Sophorolipids as protein inducers and inhibitors in fermentation medium |
| EP1953237A1 (de) * | 2007-02-01 | 2008-08-06 | Ecover N.V. | Verfahren zur Herstellung von kurzkettigen Glycolipiden |
| US8148108B2 (en) * | 2007-03-30 | 2012-04-03 | The University Of Akron | Process for producing cellulase |
| WO2010050413A1 (ja) * | 2008-10-28 | 2010-05-06 | 株式会社カネカ | ソホロースリピドの製造方法 |
| US20110151100A1 (en) * | 2009-12-19 | 2011-06-23 | Satyanarayana Ganti | Green Process for Production of Biosurfactants or Biopolymers through Waste Oil Utilization |
| GB201009882D0 (en) | 2010-06-11 | 2010-07-21 | Univ Gent | Yeast strains modified in their sophorolipid production and uses thereof |
| US9206407B2 (en) | 2011-06-25 | 2015-12-08 | Sophoro Biotechnologies, Llc | Chemically modified sophorolipids and uses thereof |
| CN107012188B (zh) | 2012-07-20 | 2020-10-30 | 青岛蔚蓝生物集团有限公司 | 一种基因表达诱导剂的制备方法 |
| JP6053124B2 (ja) | 2012-10-18 | 2016-12-27 | 花王株式会社 | 糖脂質の製造方法 |
| JP6323940B2 (ja) * | 2013-12-26 | 2018-05-16 | 花王株式会社 | アルキルポリグリコシドの製造方法 |
| CN112513236A (zh) * | 2018-07-17 | 2021-03-16 | 联合利华知识产权控股有限公司 | 鼠李糖脂在表面活性剂体系中的用途 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54109913A (en) * | 1978-02-17 | 1979-08-29 | Kao Corp | Preparation of glycolipid ester |
| JP2888773B2 (ja) * | 1995-04-12 | 1999-05-10 | 日清食品株式会社 | 抗炎症作用を有する糖脂質 |
| DE19518982A1 (de) | 1995-05-29 | 1996-12-05 | Hoechst Ag | Neuartige Glucose- und Sophoroselipide, ein Verfahren zu deren Herstellung und deren Verwendung |
-
1997
- 1997-11-07 DE DE19749413A patent/DE19749413A1/de not_active Withdrawn
-
1998
- 1998-10-17 EP EP98955474A patent/EP1028969A2/de not_active Withdrawn
- 1998-10-17 JP JP2000520456A patent/JP2001522597A/ja active Pending
- 1998-10-17 WO PCT/EP1998/006590 patent/WO1999024448A2/de not_active Ceased
- 1998-10-17 US US09/530,769 patent/US6433152B1/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8288135B2 (en) | 1992-10-16 | 2012-10-16 | Dsm Ip Assets B.V. | Process for the heterotrophic production of microbial products with high concentrations of omega-3 highly unsaturated fatty acids |
| US7732170B2 (en) | 2000-01-28 | 2010-06-08 | Martek Biosciences Corporation | Enhanced production of lipids containing polyenoic fatty acid by very hugh density cultures of eukaryotic microbes in fermentors |
| US7579174B2 (en) | 2000-01-28 | 2009-08-25 | Martek Biosciences Corporation | Enhanced production of lipids containing polyenoic fatty acid by very high density cultures of eukaryotic microbes in fermentors |
| KR100925290B1 (ko) | 2000-01-28 | 2009-11-04 | 마텍 바이오싸이언스스 코포레이션 | 발효기 내에서 진핵 미생물의 고밀도 배양에 의한고도불포화 지방산을 함유하는 지질의 증진된 생산 방법 |
| KR100938945B1 (ko) * | 2000-01-28 | 2010-01-26 | 마텍 바이오싸이언스스 코포레이션 | 발효기 내에서 진핵 미생물의 고밀도 배양에 의한 고도불포화 지방산을 함유하는 지질의 증진된 생산 방법 |
| US9848623B2 (en) | 2000-01-28 | 2017-12-26 | Dsm Ip Assets B.V. | Enhanced production of lipids containing polyenoic fatty acids by very high density cultures of eukaryotic microbes in fermentors |
| JP2003013093A (ja) * | 2001-06-27 | 2003-01-15 | Saraya Kk | 低泡性洗浄剤組成物 |
| WO2003002700A1 (en) * | 2001-06-27 | 2003-01-09 | Saraya Co., Ltd. | Low-foaming detergent compositions |
| JP2003009896A (ja) * | 2001-06-29 | 2003-01-14 | Saraya Kk | ソホロースリピッドの精製方法 |
| WO2006100292A1 (en) * | 2005-03-24 | 2006-09-28 | Dsm Ip Assets B.V. | Process for microbial production of a valuable compound |
| EA012617B1 (ru) * | 2005-03-24 | 2009-10-30 | ДСМ АйПи АССЕТС Б.В. | Способ микробиального производства ценного соединения |
| US9410175B2 (en) | 2005-03-24 | 2016-08-09 | Dsm Ip Assets B.V. | Process for microbial production of a valuable compound |
| AU2006226304B2 (en) * | 2005-03-24 | 2012-03-15 | Dsm Ip Assets B.V. | Process for microbial production of a valuable compound |
| CN101287839B (zh) * | 2005-03-24 | 2015-04-08 | 帝斯曼知识产权资产管理有限公司 | 对有价值化合物进行微生物生产的方法 |
| WO2009141407A3 (en) * | 2008-05-21 | 2010-05-14 | Ecolife B.V. | A method for the production of medium-chain sophorolipids |
| US8530206B2 (en) | 2008-05-21 | 2013-09-10 | Ecover Coordination Center N.V. | Method for the production of medium-chain sophorolipids |
| US10287615B2 (en) * | 2011-06-06 | 2019-05-14 | Ecover Co-Ordination Center N.V. | Sophorolactone production |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1028969A2 (de) | 2000-08-23 |
| JP2001522597A (ja) | 2001-11-20 |
| WO1999024448A3 (de) | 1999-08-19 |
| DE19749413A1 (de) | 1999-05-12 |
| US6433152B1 (en) | 2002-08-13 |
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