Use of Propionic Acid as an Antimicrobial
AssigneeKemin Industries, Inc.
InventorsSatish Nayak, Desiree Leach
Life of this patent
Estimating the term…
Abstract
Propionic acid is used to curb the growth of Candida albicans, Aspergillus niger, Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus in personal care products. Carnosic acid may be substituted for some of the propionic acid to provide a synergistic combination.
Claims10
A method of curbing the growth of Candida albicans, Aspergillus niger, Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus in personal care products comprising applying an efficacious amount of propionic acid.
A method of curbing the growth of USP51 microorganisms in a personal care product, comprising the steps of:
- (a) formulating an oil phase;
- (b) adding an efficacious amount of propionic acid;
- (c) formulating a water phase;
- (d) optionally adding an emulsifier;
- and
- (e) forming an emulsified personal care product.
A method of reducing the populations of Candida albicans, Aspergillus niger, Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus below 10 CFU/g in personal care products and maintain said reduced population level for at least 28 days, comprising applying an efficacious amount of propionic acid.
Dependencies are inferred from the claim text.