Macrocyclic ketone as malodor counteracting ingredient
a technology of macrocyclic ketone and malodor, applied in the field of perfume, can solve the problems of general difficulty in task and anti-current compound use, and achieve the effect of preventing the formation of malodor
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example 1
MOC Activity of the Compounds of Formula (I) as Such
[0076]The Compound 1, as defined above, was tested, using current sensory analysis methods, for its ability to reduce the perception of bathroom, tobacco, kitchen, pet and body malodors.
A) to this End, First Various Malodor Model were Prepared, by Admixing Various Ingredients as Per the Below Tables, or According to the Protocol Described:
Bathroom Malodor
[0077]
Ingredient% w / wDipropylene glycol62.82Skatole0.912-Naphthalenethiol0.91Thioglycolic acid21.18n-Caproic acid6.004-Methylphenyl 3-Methylbutanoate2.18n-Methylmorpholine6.00Total100.00
Kitchen Malodor
[0078]
Ingredient% w / wDiacetyl3.85Pyridine3.85Allyl sulfide9.23Methyl sulfide40.00Heptaldehyde3.85Paraldehyde1.90Propionic acid36.92Acetic acid, glacial0.40Total100.00
Body Malodor
[0079]
Ingredient% w / wn-Caproic acid30.00Isovaleraladehyde30.00Phenylacetic acid3.00Butyric acid0.25Indole1.50p-Cresyl isovalerate1.50p-Cresyl phenyl acetate2.75Thioglycolic acid5.00Dipropylene glycol26.00Total...
example 2
MOC Activity of the Compounds of Formula (I) as Such, Via Odor Suppression and Antibacterial Activity
Preparation of Bacterial Solutions
[0112]Bacterial solutions of four bacterial strains were prepared for MIC test as follows. Stock cultures stored at −80° C. were subcultured onto agar plate media, and incubated at 37° C. for 24 h to obtain single colonies. Single colonies of the primary cultures were inoculated into broth media and incubated at 37° C., 160 rpm overnight. Aliquots of overnight cultures were inoculated into 50 ml of fresh broth media, and incubated at 37° C., 160 rpm. When the OD reached the target value for each strain (see Table 1), cells were harvested by centrifugation at 5000 rpm for 10 min, and then resuspended in the same fresh broth media at the same volume before the centrifugation. Aliquots (1.1 ml) of each cell suspension were diluted in 200 ml of the same broth media as the bacterial solutions for the MIC test.
TABLE 1Media, aliquots of overnight culture, a...
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