EP0597903A1 - Mixtures with an antimicrobial action - Google Patents

Mixtures with an antimicrobial action

Info

Publication number
EP0597903A1
EP0597903A1 EP92915940A EP92915940A EP0597903A1 EP 0597903 A1 EP0597903 A1 EP 0597903A1 EP 92915940 A EP92915940 A EP 92915940A EP 92915940 A EP92915940 A EP 92915940A EP 0597903 A1 EP0597903 A1 EP 0597903A1
Authority
EP
European Patent Office
Prior art keywords
weight
antimicrobial
formula
group
mixtures
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP92915940A
Other languages
German (de)
French (fr)
Inventor
Marianne Waldmann-Laue
Irina Slominski
Gerhard Stoll
Bernhard Meyer
Werner Schneider
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP0597903A1 publication Critical patent/EP0597903A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
    • 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
    • A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/04—Oxygen or sulfur attached to an aliphatic side-chain of a carbocyclic ring system
    • 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
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/345—Alcohols containing more than one hydroxy group
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/005—Antimicrobial preparations

Definitions

  • the invention relates to antimicrobial mixtures containing antimicrobial diols and aromatic alcohols.
  • R * is hydrogen or an alkyl group having 1 to 4 carbon atoms and n is an integer from 1 to 6 and
  • Such mixtures are the subject of the invention and can, for. B. be formulated as concentrates in a suitable carrier and used for disinfecting solid surfaces, for the production of disinfectant cleaning agents or for the preservation of aqueous preparations of microbially degradable substances.
  • Suitable carriers for the packaging of the mixtures according to the invention are, for. B. lower alcohols such as ethanol and isopropanol or polyols such as 1,2-propylene glycol, glycerol or liquid polyethylene glycols and mixtures thereof or mixtures thereof with water.
  • lower alcohols such as ethanol and isopropanol or polyols such as 1,2-propylene glycol, glycerol or liquid polyethylene glycols and mixtures thereof or mixtures thereof with water.
  • Suitable antimicrobial alcohols of the formula I are, for. B. benzyl alcohol, phenylethanol, phenylpropanol, phenylbutanol, phenylpentanol and phenylhexanol.
  • benzyl alcohol phenylethanol, phenylpropanol, phenylbutanol, phenylpentanol and phenylhexanol.
  • Those diols which are suitable as skin-friendly, cosmetic components and therefore have an additional, extremely desirable function when used in cosmetics are particularly suitable.
  • Such 1,2-diols and their preparation are e.g. B. by H. Rutzen in Fette, Seifen, Anstrichstoff 82 (1980), No. 1, p. 23 f, and described by RR Egan in Cosmetics and Perfusion 88, March 1973, 45-50 as very skin-friendly oil components
  • a concentrate suitable as a preservative can, for. B. manufacture from
  • polystyrene resin 40 to 80 wt .-% of one or more polyols from the group of 1,2-propylene glycol, glycerol and polyethylene glycol with an average molecular weight of 200 to 1000.
  • a concentrate consisting of 20% by weight of phenylethyl alcohol or hydrozide alcohol, 20% by weight of 1,2-dodecanediol and 60% by weight of 1,2-propylene glycol is particularly suitable.
  • the antimicrobial mixtures according to the invention are very suitable for the production of antiseptically active skin cleansers. However, they are preferably suitable for the preservation of aqueous preparations of microbially degradable or perishable substances. These preparations can e.g. B. skin and body cleansing agents, but these are preferably cosmetic emulsions for cleaning and care of the body containing microbially degradable oils, fats, proteins, carbon hydrates or derivatives thereof. To preserve spoilage caused by bacteria or fungi, these products contain an antimicrobial mixture according to the invention in a quantity which contains from 0.2 to 5% by weight of the total of the components (A + B) corresponds.
  • a concentrate containing e.g. B. 20% by weight of the aromatic alcohol of formula I, 20% by weight of the diol of formula II and 60% by weight of a lower polyol, e.g. B. 1,2-propylene glycol is added in an amount of about 0.5 to 12 wt .-% of the preparation to be preserved in order to obtain adequate preservation.
  • Test emulsions were prepared according to the following recipe:
  • 1,2-propylene glycol 2.0% by weight preservative (combination) 2.0% by weight
  • composition of the preservative in test emulsions 1 to 8 is shown in Table I. II stress test
  • Fungi Candida albicans ATCC 10231 Aspergillus niger ATCC 6275 Penicilliu rubru CMI 113729 Trichoderma viride BAM T21
  • Examples 1 to 4 show that the high effect of the combination (A + B) of Examples 5 to 8 is not achieved with components A and B alone, even when the same amount is used.
  • Example 8 O / W emulsion Lameform ( R ) TGi (2) 1.0% by weight Brij 30 1.0% by weight microcrystalline wax 0.5% by weight 1,3-di sooctyl-cyclohexane 10, 0 wt. Cetiol SN (3) 3.0 wt.% Avocado oil 3.0 wt.% Magnesium aluminum silicate 3.6% by weight
  • Phenylethyl alcohol 1.0% by weight
  • This product had a killing time of 1 day for bacteria and 7 days for fungi in the stress test.
  • Cetiol HE (6) 2.0% by weight 01eyl alcohol polyglycol (5E0) ether 2.0% by weight
  • Phenylethyl alcohol 1.0% by weight
  • This product had a killing time of 21 days for bacteria and 7 days for fungi in the stress test.
  • Example 11 Preservative concentrate phenylethyl alcohol 20% by weight 1,2-dodecandiol 20% by weight *. # 1,2-propylene glycol 60% by weight * • - Example 11; Preservative concentrate, hydrocarbon alcohol 20% by weight 1,2-dodecanediol 20% by weight 1,2 propylene glycol 60% by weight
  • Arlacel 186 mixture of oleic acid mono / diglyceride (90%) and
  • Cetiol SN Cety1 / stearyl isononanoate
  • Cetiol HE glycerol polyglycol ether (7E0) coconut fatty acid ester

Abstract

Mixtures with antimicrobial activity contain a synergistically active combination of (A) at least one aromatic alcohol, which has antimicrobial activity, of the formula I <IMAGE> (B) at least one diol, which has antimicrobial activity, of the formula (II> R<2>-CHOH-(CHR<3>)x-CH2OH (II) Suitable and preferred aromatic alcohols are phenylethyl alcohol and hydrocinnamyl alcohol. Preferred diols are alkanediols and glycerol monoethers in which x is 0, R<2> is an alkyl or alkoxymethyl group with 8 to 14 C atoms in the alkyl or alkoxy group. The mixtures are particularly suitable as preservatives for aqueous formulations containing components which can undergo microbial degradation.

Description

Antimikrobiell wirksame Gemische Antimicrobial mixtures
Die Erfindung betrifft antimikrobiell wirksame Gemische mit einem Gehalt an antimikrobiell wirksamen Diolen und aromatischen Alko¬ holen.The invention relates to antimicrobial mixtures containing antimicrobial diols and aromatic alcohols.
Die anti ikrobiellen Eigenschaften bestimmter aromatischer Alko¬ hole, z. B. des Benzylalkohols, sind schon seit längerer Zeit be¬ kannt (vgl. M.A.L. Mackie et al. , Pharm. Acta Helv. 61, Nr. 12 (1986). Auch langkettige, lineare 1,2- und 1,3-Diole weisen ge¬ wisse keimhemmende Eigenschaften auf (vgl. Journal of Food Science Vol 42 (1977), No. 3, 699-706, DE-OS-2204943 und JP 76/91327, Chem. Abstr. 85. H7980r (1976)).The anti-microbial properties of certain aromatic alcohols, e.g. B. benzyl alcohol, have been known for a long time (cf. MAL Mackie et al., Pharm. Acta Helv. 61, No. 12 (1986). Also long-chain, linear 1,2- and 1,3-diols have certain germ-inhibiting properties (cf. Journal of Food Science Vol 42 (1977), No. 3, 699-706, DE-OS-2204943 and JP 76/91327, Chem. Abstr. 85. H7980r (1976)) .
Die antimikrobiellen Eigenschaften dieser Stoffe sind jedoch nur schwach ausgeprägt, so daß eine sichere Konservierung mikrobiell verderblicher Zubereitungen nur mit untragbar hohen Konzentrati¬ onen dieser Stoffe möglich ist.However, the antimicrobial properties of these substances are only weakly pronounced, so that safe preservation of microbially perishable preparations is only possible with intolerably high concentrations of these substances.
Auf dem Gebiet der Desinfektions- und Konservierungsmittel besteht aus Gründen der Umweltschonung, der physiologischen Verträglich¬ keit und der Wirtschaftlichkeit ein großes Bedürfnis nach antimi¬ krobiellen Wirkstoffen und Wirkstoffkombinationen, die schon bei geringer Anwendungskonzentration eine hinreichende antimikrobielle Wirkung zeigen. Dies gilt ganz besonders für die Konservierung von Körperreinigungs- und Pflegemitteln. Hier sind synergistisch wir¬ kende Kombinationen, bekannter und physiologisch gut verträglicher Wirkstoffe von besonders hohem Wert.In the field of disinfectants and preservatives, there is a great need for antimicrobial active substances and combinations of active substances which have sufficient antimicrobial properties even at low application concentrations for reasons of environmental protection, physiological compatibility and economic efficiency Show effects. This is especially true for the preservation of body cleansing and care products. Here are synergistic combinations, known and physiologically well-tolerated active ingredients of particularly high value.
Es wurde gefunden, daß Gemische, dieIt has been found that mixtures that
(A) mindestens einen antimikrobiell wirksamen Alkohol der For¬ mel I(A) at least one antimicrobial alcohol of formula I
in der R* Wasserstoff oder eine Alkylgruppe mit 1 bis 4 C-Atomen und n eine ganze Zahl von 1 bis 6 ist und in which R * is hydrogen or an alkyl group having 1 to 4 carbon atoms and n is an integer from 1 to 6 and
(B) mindestens ein antimikrobiell wirksames 1,2- oder 1,3-Diol der Formel II(B) at least one antimicrobial 1,2- or 1,3-diol of the formula II
R2-CH0H-(CHR3)X-CH20H (II)R2-CH0H- (CHR3) X -CH 2 0H (II)
enthalten, in der x - 0 oder 1 ist und wenn x = 0 ist, R2 eine Alkyl¬ gruppe mit 6 bis 22 C-Atomen oder eine Alkoxymethyl- oder 2-Hydroxy-alkoxymethylgruppe mit jeweils 6 bis 22 C-Atomen in der Alkoxygruppe ist und wenn x = 1 ist, die Gruppe R^ Wasserstoff ist und R^ eine der vorgenannten Bedeutungen von R2 hat, wobei die Komponenten (A) und (B) im Gewichts¬ verhältnis (A):(B) = 9:1 bis 1:9 vorliegen, überraschend hohe antimikrobielle Wirkungen aufweisen, die sich nicht durch eine additive Wirkung der sehr wenig wirksamen Ein¬ zelkomponenten erklären lassen.contain, in which x is 0 or 1 and when x = 0, R2 is an alkyl group having 6 to 22 carbon atoms or an alkoxymethyl or 2-hydroxyalkoxymethyl group each having 6 to 22 carbon atoms in the alkoxy group and if x = 1, the group R ^ is hydrogen and R ^ has one of the abovementioned meanings of R2, the components (A) and (B) in the weight ratio (A) :( B) = 9: 1 to 1: 9 are present, have surprisingly high antimicrobial effects that are not can be explained by an additive effect of the very ineffective individual components.
Solche Gemische sind Gegenstand der Erfindung und können z. B. als Konzentrate in einem geeigneten Träger formuliert werden und zur Desinfektion fester Oberflächen, zur Herstellung desinfizierender Reinigungsmittel oder zur Konservierung wäßriger Zubereitungen mikrobiell abbaubarer Stoffe eingesetzt werden.Such mixtures are the subject of the invention and can, for. B. be formulated as concentrates in a suitable carrier and used for disinfecting solid surfaces, for the production of disinfectant cleaning agents or for the preservation of aqueous preparations of microbially degradable substances.
Bevorzugt ist die Verwendung der erfindungsgemäßen Gemische zur Konservierung wäßriger Zubereitungen mikrobiell abbaubarer Stoffe.Preference is given to using the mixtures according to the invention for the preservation of aqueous preparations of microbially degradable substances.
Als Träger zur Konfektionierung der erfindungsgemäßen Gemische eignen sich z. B. niedere Alkohole wie Ethanol und Isopropanol oder Polyole wie 1,2-Propylenglycol, Glycerin oder flüssige Poly- ethylenglycole sowie deren Gemische oder deren Gemische mit Wasser.Suitable carriers for the packaging of the mixtures according to the invention are, for. B. lower alcohols such as ethanol and isopropanol or polyols such as 1,2-propylene glycol, glycerol or liquid polyethylene glycols and mixtures thereof or mixtures thereof with water.
Als antimikrobiell wirksame Alkohole der Formel I eigenen sich z. B. Benzylalkohol, Phenylethanol, Phenylpropanol, Phenylbutanol, Phenylpentanol und Phenylhexanol. Für kosmetische Produkte ergibt sich bei einigen der genannten Produkte der Vorteil, daß sie an¬ genehm riechen und eine weitere Parfümierung entweder entbehrlich ist oder mit geringeren Mengen anderer Duftstoffe erzielt werden kann. Dies gilt vor allem für Alkohole der Formel I, in der n = 2 oder 3 ist, das heißt für Phenylethanol und Phenylpropanol (Hy- drozimtalkohol), die daher für die Anwendung in Kosmetika bevor¬ zugt sind.Suitable antimicrobial alcohols of the formula I are, for. B. benzyl alcohol, phenylethanol, phenylpropanol, phenylbutanol, phenylpentanol and phenylhexanol. For cosmetic products, the advantage of some of the products mentioned is that they smell pleasant and further perfuming is either unnecessary or can be achieved with smaller amounts of other fragrances. This applies above all to alcohols of the formula I in which n = 2 or 3, that is to say for phenylethanol and phenylpropanol (hydrocinnamic alcohol), which are therefore preferred for use in cosmetics.
Als antimikrobiell wirksame Diole der Formel II eigenen sich ins¬ besondere 1,2-Alkandiole mit 8 bis 24 C-Atomen (x = 0, R2 = Cδ-C22-Alkyl), 1,3-Alkandiole mit 9 bis 25 C-Atomen (x = 1, R2 = C6- 22-Al yl, R**5 = H), Glycerinmonoalkylether (x = 1, R2 = C6-C22-Alkoxymethyl, R3 = H), und Glycerinmono-(2-hydroxy)alkyl- ether (x = 1, R2 = 2-Hydroxy-C5-C22-alkoxymethyl , R3 = H). Weitere geeignete Diole sind die 2-substituierten 1,3-Propandiole (x = 1, R2 = H, R = C6-C22-Al yl, C6-C22~2-Hydroxyalkyl, C6-C22-Alkoxy- methyl oder C6-C22-2-Hydroxyalkoxymethyl). Bevorzugt geeignet sind dabei solche Diole, die sich als hautfreundliche, kosmetische 01- komponenten eignen und daher bei der Anwendung in Kosmetika eine zusätzliche, äußerst erwünschte Funktion aufweisen. Dies sind be¬ vorzugt solche 1,2-Diole der Formel II, in der x = 0 und R2 eine Alkyl- oder Alkoxymethylgruppe mit 8 bis 14 C-Atomen ist. Solche 1,2-Diole und ihre Herstellung sind z. B. von H. Rutzen in Fette, Seifen, Anstrichmittel 82 (1980), Nr. 1, S. 23 f, beschrieben und von R.R. Egan in Cosmetics and Perfu ery 88, März 1973, 45-50 als sehr hautfreundliche Ölkomponenten bezeichnet worden.Suitable antimicrobial diols of the formula II are in particular 1,2-alkanediols having 8 to 24 carbon atoms (x = 0, R 2 = Cδ-C22-alkyl), 1,3-alkanediols with 9 to 25 C atoms (x = 1, R 2 = C6-22-al yl, R ** 5 = H), glycerol monoalkyl ether (x = 1, R 2 = C6-C22-alkoxymethyl, R 3 = H), and glycerol mono- (2-hydroxy) alkyl ether (x = 1, R 2 = 2-hydroxy-C5-C22-alkoxymethyl, R 3 = H). Other suitable diols are the 2-substituted 1,3-propanediols (x = 1, R 2 = H, R = C6-C22-al yl, C6-C22 ~ 2-hydroxyalkyl, C6-C22-alkoxy-methyl or C6- C22 -Hydroxyalkoxymethyl 2). Those diols which are suitable as skin-friendly, cosmetic components and therefore have an additional, extremely desirable function when used in cosmetics are particularly suitable. These are preferably those 1,2-diols of the formula II in which x = 0 and R 2 is an alkyl or alkoxymethyl group having 8 to 14 carbon atoms. Such 1,2-diols and their preparation are e.g. B. by H. Rutzen in Fette, Seifen, Anstrichmittel 82 (1980), No. 1, p. 23 f, and described by RR Egan in Cosmetics and Perfusion 88, March 1973, 45-50 as very skin-friendly oil components .
Ein als Konservierungsmittel geeignetes Konzentrat läßt sich z. B. herstellen ausA concentrate suitable as a preservative can, for. B. manufacture from
10 bis 30 Gew.-% eines aromatischen Alkohols der Formel I10 to 30% by weight of an aromatic alcohol of the formula I.
10 bis 30 Gew.-% eines Diols der Formel II10 to 30% by weight of a diol of the formula II
40 bis 80 Gew.-% eines oder mehrerer Polyole aus der Gruppe der 1,2-Propylenglycol, Glycerin und Polyethylen- glycol mit einem mittleren Molekulargewicht von 200 bis 1000.40 to 80 wt .-% of one or more polyols from the group of 1,2-propylene glycol, glycerol and polyethylene glycol with an average molecular weight of 200 to 1000.
Besonders geeignet ist ein Konzentrat, bestehend aus 20 Gew.-% Phenylethylalkohol oder Hydrozi talkohol 20 Gew.-% 1,2-Dodecandiol und 60 Gew.-% 1,2-Propylenglykol. Die erfindungsgemäßen antimikrobiell wirksamen Gemische eignen sich sehr gut zur Herstellung antiseptisch wirksamer Hautreini¬ gungsmittel. Bevorzugt geeignet sind sie jedoch zur Konservierung wäßriger Zubereitungen mikrobiell abbaubarer oder verderblicher Stoffe. Diese Zubereitungen können z. B. Haut- und Körperreini¬ gungsmittel sein, bevorzugt jedoch handelt es sich dabei um kos¬ metische Emulsionen zur Reinigung und Pflege des Körpers mit einem Gehalt an mikrobiell abbaubaren Ölen, Fetten, Proteinen, Kohlenhy¬ draten oder Derivaten davon. Diese Produkte enthalten zur Konser¬ vierung gegen durch Bakterien oder Pilze verursachten Verderb ein antimikrobiell wirksames, erfindungsgemäßes Gemisch in einer Men¬ ge, die einem Gehalt von 0,2 bis 5 Gew.-% der Summe der Komponen¬ ten (A + B) entspricht.A concentrate consisting of 20% by weight of phenylethyl alcohol or hydrozide alcohol, 20% by weight of 1,2-dodecanediol and 60% by weight of 1,2-propylene glycol is particularly suitable. The antimicrobial mixtures according to the invention are very suitable for the production of antiseptically active skin cleansers. However, they are preferably suitable for the preservation of aqueous preparations of microbially degradable or perishable substances. These preparations can e.g. B. skin and body cleansing agents, but these are preferably cosmetic emulsions for cleaning and care of the body containing microbially degradable oils, fats, proteins, carbon hydrates or derivatives thereof. To preserve spoilage caused by bacteria or fungi, these products contain an antimicrobial mixture according to the invention in a quantity which contains from 0.2 to 5% by weight of the total of the components (A + B) corresponds.
Ein Konzentrat, enthaltend z. B. 20 Gew.-% des aromatischen Alko¬ hols der Formel I, 20 Gew.-% des Diols der Formel II und 60 Gew.-% eines niederen Polyols, z. B. 1,2-Propylenglycol wird in einer Menge von ca. 0,5 bis 12 Gew.-% der zu konservierenden Zubereitung zugesetzt, um eine ausreichende Konservierung zu erhalten.A concentrate containing e.g. B. 20% by weight of the aromatic alcohol of formula I, 20% by weight of the diol of formula II and 60% by weight of a lower polyol, e.g. B. 1,2-propylene glycol is added in an amount of about 0.5 to 12 wt .-% of the preparation to be preserved in order to obtain adequate preservation.
Die folgenden Beispiele sollen den Erfindungsgegenstand näher er¬ läutern. The following examples are intended to explain the subject of the invention in more detail.
B e i s p i e l eB e i s p i e l e
Prüfung der Konservierunqswir unqExamination of the conservation we unq
I PrüfemulsionI test emulsion
Es wurden Prüfemulsionen nach folgender Rezeptur hergestellt:Test emulsions were prepared according to the following recipe:
Paraffinöl 17,0 Gew.-%Paraffin oil 17.0% by weight
Isopropylpalmitat 2,0 Gew.-% mikrokristallines Wachs 2,7 Gew.-%Isopropyl palmitate 2.0% by weight microcrystalline wax 2.7% by weight
Arlacel(R)l86 (1) 2,5 Gew.-%Arlacel ( R ) l86 (1) 2.5% by weight
Zinkum 3,0 Gew.-%Zinc 3.0% by weight
Magnesiumsulfat 0,5 Gew.-%Magnesium sulfate 0.5% by weight
Glycerin 3,0 Gew.-%Glycerin 3.0% by weight
1,2-Propylenglycol 2,0 Gew.-% Konservierungsmittel(kombination) 2,0 Gew.-%1,2-propylene glycol 2.0% by weight preservative (combination) 2.0% by weight
Wasser 65,3 Gew.-%Water 65.3% by weight
In die Emulsionen wurden die folgenden Produkte als Konservie¬ rungsmittel eingesetzt:The following products were used as preservatives in the emulsions:
AI: PhenylethylalkoholAI: phenylethyl alcohol
A2: Hydrozi talkohol (3-Phenylpropanol-l)A2: Hydrozi talc alcohol (3-phenylpropanol-l)
Bl: 1,2-DodecandiolBl: 1,2-dodecanediol
B2: l-(2-Hydroxydodecyloxy)-2,3-propandiolB2: 1- (2-hydroxydodecyloxy) -2,3-propanediol
Die Zusammensetzung des Konservierungsmittels in den Prüfemulsionen 1 bis 8 ist der Tabelle I zu entnehmen. II BelastunostestThe composition of the preservative in test emulsions 1 to 8 is shown in Table I. II stress test
Die Konservierung wurde in einem qualitativen Belastungstest mitThe conservation was carried out in a qualitative stress test
Bakterien- und Pilzgemisch geprüft. Die Belastung erfolgte mitBacteria and fungus mixture checked. The burden was with
≥ 106 Bakterien/g Produkt und ≥ 105 Pilzen/g Produkt. Die Belastungssuspension wurde 1 %ig zugegeben. ≥ 10 6 bacteria / g product and ≥ 10 5 fungi / g product. The load suspension was added 1%.
Testkeime:Test germs:
Bakterien: Staphylococcus aureus ATCC 6538Bacteria: Staphylococcus aureus ATCC 6538
Enterococcus faecium ATCC 6057Enterococcus faecium ATCC 6057
Escherichia coli ATCC 11229Escherichia coli ATCC 11229
Enterobacter aerogenes DSM 30053Enterobacter aerogenes DSM 30053
Pseudomonas aeruginosa ATCC 15442Pseudomonas aeruginosa ATCC 15442
Pilze: Candida albicans ATCC 10231 Aspergillus niger ATCC 6275 Penicilliu rubru CMI 113729 Trichoderma viride BAM T21Fungi: Candida albicans ATCC 10231 Aspergillus niger ATCC 6275 Penicilliu rubru CMI 113729 Trichoderma viride BAM T21
Die belasteten Proben wurden homogenisiert und bei Raumtemperatur gelagert. Nach 1, 3, 7, 14 und 21 Tagen wurden Proben entnommen, ausgeimpft und inkubiert (Pilze auf Würzeagar und -bouillon bei 30 °C, Bakterien auf Standard I - nähragar und -bouillon bei 37 °C). In der Tabelle I ist die Lagerzeit angegeben, nach welcher keine lebens- bzw. vermehrungsfähigen Keime in einer Probe von 0,1 g mehr nachweisbar waren. Tabelle IThe contaminated samples were homogenized and stored at room temperature. After 1, 3, 7, 14 and 21 days, samples were taken, inoculated and incubated (fungi on wort agar and broth at 30 ° C, bacteria on standard I - nutrient agar and broth at 37 ° C). Table I shows the storage time after which no more viable or reproductive germs were detectable in a 0.1 g sample. Table I
Die Beispiele 1 bis 4 (Vergleichsbeispiele) zeigen, daß mit den Komponenten A und B alleine, auch bei gleicher Einsatzmenge nicht die hohe Wirkung der Kombination (A + B) der Beispiele 5 bis 8 erreicht wird.Examples 1 to 4 (comparative examples) show that the high effect of the combination (A + B) of Examples 5 to 8 is not achieved with components A and B alone, even when the same amount is used.
Folgende Emulsionen wurden zusätzlich in die Konservierungsprüfung einbezogenThe following emulsions were also included in the preservation test
Beispiel 8: O/W-Emulsion Lameform(R)TGi (2) 1,0 Gew.-% Brij 30 1,0 Gew.- mikrokristallines Wachs 0,5 Gew.-% 1,3-Di sooctyl-cyclohexan 10,0 Gew.- Cetiol SN (3) 3,0 Gew.-% Avocadoöl 3,0 Gew.-% Magnesium-Aluminium-Silikat 3,6 Gew.-%Example 8: O / W emulsion Lameform ( R ) TGi (2) 1.0% by weight Brij 30 1.0% by weight microcrystalline wax 0.5% by weight 1,3-di sooctyl-cyclohexane 10, 0 wt. Cetiol SN (3) 3.0 wt.% Avocado oil 3.0 wt.% Magnesium aluminum silicate 3.6% by weight
(Veegum(R))(Veegum ( R ))
Xanthan Gummi 1,8 Gew.-Xanthan gum 1.8 wt.
Citronensäure 0,13 Gew.-%Citric acid 0.13% by weight
1,2-Dodecandiol 1,0 Gew.-%1,2-dodecanediol 1.0% by weight
Phenylethylalkohol 1,0 Gew.-%Phenylethyl alcohol 1.0% by weight
Wasser ad 100,0 Gew.-%Water ad 100.0% by weight
Dieses Produkt wies im Belastungstest Abtötungszeiten von 1 Tag für Bakterien und 7 Tage für Pilze auf.This product had a killing time of 1 day for bacteria and 7 days for fungi in the stress test.
Beispiel 10: DuschbadExample 10: Shower room
Fettalkohol-Ci2/i4-polyglycolether (2 E0)Fatty alcohol Ci2 / i4 polyglycol ether (2 E0)
-sulfat, Na-Salz, 28 %ig in Wasser 50,0 Gew.-%sulfate, Na salt, 28% in water 50.0% by weight
Dehyton K (30 %ig in H2O) (4) 8,0 Gew.-%Dehyton K (30% in H2O) (4) 8.0% by weight
Nutrilan H (5) 2,0 Gew.-%Nutrilan H (5) 2.0% by weight
Cetiol HE (6) 2,0 Gew.-% 01eylalkohol-polyglycol(5E0)-ether 2,0 Gew.-%Cetiol HE (6) 2.0% by weight 01eyl alcohol polyglycol (5E0) ether 2.0% by weight
Mergnat(R)550 (Quaterniu 41) 1,0 Gew.-%Mergnat (R) 550 (Quaterniu 41) 1.0% by weight
1,2-Dodencandiol 1,0 Gew.-%1,2-dodecandiol 1.0% by weight
Phenylethylalkohol 1,0 Gew.-%Phenylethyl alcohol 1.0% by weight
Citronensäure 0,11 Gew.-%Citric acid 0.11% by weight
Wasser ad 100,0 Gew.-%Water ad 100.0% by weight
Dieses Produkt wies im Belastungstest Abtötungszeiten von 21 Tagen für Bakterien und 7 Tage für Pilze auf.This product had a killing time of 21 days for bacteria and 7 days for fungi in the stress test.
Beispiel 11: Konservierunqsmittelkonzentrat Phenylethylalkohol 20 Gew.-% 1,2-Dodencandiol 20 Gew.* .# 1,2-Propylenglycol 60 Gew.* • - Beispiel 11; Konservierunqsmittelkonzentrat Hydrozi talkohol 20 Gew.-% 1,2-Dodecandiol 20 Gew.-% 1,2 Propylenglycol 60 Gew.-%Example 11: Preservative concentrate phenylethyl alcohol 20% by weight 1,2-dodecandiol 20% by weight *. # 1,2-propylene glycol 60% by weight * • - Example 11; Preservative concentrate, hydrocarbon alcohol 20% by weight 1,2-dodecanediol 20% by weight 1,2 propylene glycol 60% by weight
Es wurden die folgenden Handelsprodukte verwendet:The following commercial products were used:
(1) Arlacel 186: Gemisch aus Olsäuremono/diglycerid (90 %) und(1) Arlacel 186: mixture of oleic acid mono / diglyceride (90%) and
1,2-Propylenglycol (10 %)1,2-propylene glycol (10%)
(2) Lameform TGi: Polyglyceryl (3)-diisostearat(2) Lameform TGi: polyglyceryl (3) diisostearate
(3) Cetiol SN: Cety1-/stearyl-isononanoat(3) Cetiol SN: Cety1 / stearyl isononanoate
(4) Dehyton K: R C0-N-(CH2)3-N(CH3)2-CH2 COθH(4) Dehyton K: R CO-N- (CH 2 ) 3-N (CH 3 ) 2-CH 2 COθH
(RC0 = Kokosacyl), 30 %ig in Wasser(RC0 = coconut acyl), 30% in water
(5) Nutrilan H: Eiweißhydrolysat, Na-Salz (32 % Feststoff in(5) Nutrilan H: protein hydrolyzate, Na salt (32% solids in
Wasser)Water)
(6) Cetiol HE: Glycerinpolyglycolether(7E0)-kokosfettsäure- ester (6) Cetiol HE: glycerol polyglycol ether (7E0) coconut fatty acid ester

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Antimikrobiell wirksame Gemische, enthaltend1. Antimicrobial mixtures, containing
(A) mindestens einen antimikrobiell wirksamen Alkohol der Formel I(A) at least one antimicrobial alcohol of the formula I.
in der R*1 Wasserstoff oder eine Alkylgruppe mit 1 bis 4 C-Atomen und n eine ganze Zahl von 1 bis 6 ist und in which R * 1 is hydrogen or an alkyl group having 1 to 4 carbon atoms and n is an integer from 1 to 6 and
(B) mindestens ein antimikrobiell wirksames 1,2- oder 1,3- Diol der Formel II(B) at least one antimicrobial 1,2- or 1,3-diol of the formula II
R2-CH0H-(CHR3)X-CH20H (II)R 2 -CH0H- (CHR3) X -CH 2 0H (II)
in der x = 0 oder 1 ist und wenn x = 0 ist, R2 eine Al¬ kylgruppe mit 6 bis 22 C-Atomen oder eine Alkoxymethyl- oder 2-Hydroxy-alkoxymethylgruppe mit jeweils 6 bis 22 C-Atomen in der Alkoxygruppe ist und wenn x = 1 ist, die Gruppe R2 Wasserstoff ist und R3 eine der vorge¬ nannten Bedeutungen von R2 hat, wobei die Komponenten (A) und (B) im Gewichtsverhältnis (A):(B) = 9:1 bis 1:9 vorliegen.in which x = 0 or 1 and when x = 0, R 2 is an alkyl group having 6 to 22 C atoms or an alkoxymethyl or 2-hydroxyalkoxymethyl group each having 6 to 22 C atoms in the alkoxy group and if x = 1, the group R 2 is hydrogen and R 3 has one of the abovementioned meanings of R 2 , the components (A) and (B) in the weight ratio (A) :( B) = 9: 1 up to 1: 9.
Antimikrobiell wirksame Gemische nach Anspruch 1, dadurch gekennzeichnet, daß als Komponent B antimikrobiell wirksame 1,Antimicrobial mixtures according to claim 1, characterized in that as component B antimicrobial 1,
2-Diole der Formel II enthalten sind, in der x = 0 und R2 eine Alkyl- oder Alkoxymethylgruppe mit 8 bis 14 C-Atomen in der Alkyl- oder Alkoxygruppe ist.2-diols of the formula II are contained in which x = 0 and R 2 is an alkyl or alkoxymethyl group with 8 to 14 carbon atoms in the alkyl or alkoxy group.
3. Antimikrobiell wirksame Gemische nach Anspruch 1 oder 2, da¬ durch gekennzeichnet, daß als Komponente A ein aromatischer Alkohol der Formel I enthalten ist in der n = 2 oder 3 ist.3. Antimicrobial mixtures according to claim 1 or 2, characterized in that an aromatic alcohol of the formula I is present as component A in which n = 2 or 3.
4. Verwendung der antimikrobiell wirksamen Gemische gemäß An¬ spruch 1 bis 3 zur Konservierung wäßriger Zubereitungen mi¬ krobiell abbaubarer Stoffe.4. Use of the antimicrobially active mixtures according to claim 1 to 3 for the preservation of aqueous preparations of microbially degradable substances.
5. Wäßrige Zubereitungen zur Reinigung und Pflege des Körpers mit einem Gehalt an mikrobiell abbaubaren Ölen, Fetten, Pro¬ teinen, Kohlenhydraten oder Derivaten davon, dadurch gekenn¬ zeichnet, daß zur Konservierung ein antimikrobiell wirksames Gemisch gemäß Anspruch 1 bis 3 in einer Menge enthalten ist, die einem Gehalt von 0,2 bis 5 Gew.-% der Summe der Kompo¬ nenten (A) + (B) entspricht. 5. Aqueous preparations for cleaning and care of the body containing microbially degradable oils, fats, proteins, carbohydrates or derivatives thereof, characterized in that for preservation contain an antimicrobial mixture according to claims 1 to 3 in an amount which corresponds to a content of 0.2 to 5% by weight of the sum of components (A) + (B).
EP92915940A 1991-07-25 1992-07-16 Mixtures with an antimicrobial action Pending EP0597903A1 (en)

Applications Claiming Priority (3)

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DE4124664 1991-07-25
DE4124664A DE4124664A1 (en) 1991-07-25 1991-07-25 ANTIMICROBIAL EFFECTIVE MIXTURE
PCT/EP1992/001618 WO1993001714A1 (en) 1991-07-25 1992-07-16 Mixtures with an antimicrobial action

Publications (1)

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EP92112181A Expired - Lifetime EP0524548B1 (en) 1991-07-25 1992-07-16 Antimicrobial mixtures

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JP (1) JPH06509564A (en)
AT (1) ATE125108T1 (en)
CA (1) CA2114111A1 (en)
CZ (1) CZ16894A3 (en)
DE (2) DE4124664A1 (en)
DK (1) DK0524548T3 (en)
ES (1) ES2074772T3 (en)
FI (1) FI940323A0 (en)
GR (1) GR3017159T3 (en)
HU (1) HUT66550A (en)
PL (1) PL169954B1 (en)
SK (1) SK127993A3 (en)
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PL169954B1 (en) 1996-09-30
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WO1993001714A1 (en) 1993-02-04
JPH06509564A (en) 1994-10-27
CZ16894A3 (en) 1994-12-15
HU9400212D0 (en) 1994-05-30
EP0524548B1 (en) 1995-07-19
EP0524548A1 (en) 1993-01-27
GR3017159T3 (en) 1995-11-30
SK127993A3 (en) 1994-06-08
FI940323A (en) 1994-01-21
CA2114111A1 (en) 1993-02-04
YU48241B (en) 1997-08-22
ES2074772T3 (en) 1995-09-16
FI940323A0 (en) 1994-01-21
DE4124664A1 (en) 1993-01-28
ATE125108T1 (en) 1995-08-15
US5539001A (en) 1996-07-23
DK0524548T3 (en) 1995-11-27

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