Odour-reducing substances

1. A preparation comprising:

(i) an odor reducing amount of a mixture of two different alcohols of formula (1)

wherein on of R a and R b represents hydrogen and the other represents an acyl radical having 2 to 6 carbon atoms; and (ii) one of the following combinations of components selected from the group consisting of A and B:

(a) 4-ethyl-alpha, alpha-dimethyl-ethyl-phenylpropanal;

(cyclo hexyloxy)-acetic acid-2-propenylester;

2,6-dimethyl-7-octen-2-ol;

1,3,3-trimethyl-2-oxabicyclo[2.2.2]octane;

4-methyl-1-(1-methylethyl)-3-cyclohexen-1-ol;

1,7,7-trimethyl-bicyclo[2.2.1]heptane-2-ol acetate;

2,2,3-trimethyl-3-cyclopentene-1-acetonitrile;

alpha-methyl-cyclohexanepropanol;

1-(2-benzofuranyl)-ethanone; and

alpha-ethyl-2,2,6-trimethyl-(Z)-cyclohexanepropanol;

and

(b) 2,6,10-trimethyl-9-undecenal:

2,4,6-trimethyl-4-phenyl-1,3-dioxane;

alpha-ethenyl-alpha-methyl-phenylpropanenitrile;

beta-methyl-phenylpentanenitrile;

1,3,3-trimethyl-2-oxabicyclo[2.2.2]octane;

3,12-tridecadienenitrile;

2,2,3-trimethyl-3-cyclopentene-1-acetonitrile;

2-cyclopentene-1-acetic acid-2-ethylbutylester;

2-butenoic acid-(1,1′-bicyclopentyl)-2-yl ester;

alpha-methyl-cyclohexanepropanol;

2,2-dimethyl-1-(2,4-dimethyl-3-cyclohexen-1-yl)-1-propanone;

beta-methyl-phenylpentanol;

benzylacetate;

1,1-dimethoxy-cyclododecane; and

cyclohexadecanone.

2. The preparation according to claim 1 , wherein the acyl radical having 2 to 6 carbon atoms is selected from the group consisting of acetyl, propionyl, n-butyryl, isobutyryl, crotonyl, n-pentanoyl, isopentanoyl, n-hexanoyl and isohexanoyl.

3. The preparation according to claim 1 , wherein the acyl radical having 2 to 6 carbon atoms is selected from the group consisting of n-butyryl, isobutyryl and crotonyl.

4. The preparation according to claim 1 , wherein R a of one alcohol of formula (1) is identical to R b of the other alcohol of formula (1).

5. The preparation according to claim 1 , wherein the weight ratio of the first alcohol of formula (1) to the second alcohol of formula (1) is from 10:1 to 1:10.

6. The preparation according to claim 1 , wherein the weight ratio of the first alcohol of formula (1) to the second alcohol of formula (1) is from 5:1 to 1:5.

7. The preparation according to claim 1 , wherein one alcohol of formula (1) is an alcohol of formula (1a) and the other alcohol of formula (1) is an alcohol of formula (1b)

8. The preparation according to claim 1 , further comprising:

(iii) one or more production auxiliaries selected from the group consisting of dipropylene glycol (DPG), diethylphthalate (DEP), triethyl citrate (TEC), isopropylmyristate (IPM), and benzyl benzoate (BB).

9. The preparation according to claim 1 , wherein the preparation is selected from the group consisting of cosmetic, body care, household and cleaning products.

10. The preparation according to claim 1 , where the preparation is selected from the group consisting of cleaning agents, air fresheners, textile hygiene products, body care compositions, hair care products, deodorants, antiperspirants, and animal litter.