Effects of oral moisturising gel containing egg yolk antibodies againstCandida albicansin older people

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Objective:The aim of this study was to evaluate the inhibitory effects of oral moisturising gel containing egg yolk antibody against Candida albicans (anti-CA IgY) in older people. Therefore, we measured the number of Candia CFU present on oral swabs at baseline and after using the gel.Methods:A randomised, double-blind, placebo-controlled trial was conducted among volunteers living in a nursing home in Japan. The participants were divided into two groups. The group 1 participants received oral care using an experimental oral moisturising gel with anti-CA IgY, and those in group 2 received oral care using a placebo oral moisturising gel without anti-CA IgY. The oral care was performed by care workers three times a day for 4 weeks. The participants' tongues were sampled using a swab method at baseline and after 2 and 4 weeks of using the oral gel, and the number of C. albicans, Candida tropicalis and Candida krusei colonies was counted.Results:The baseline oral condition of the participants in the two groups did not differ significantly. The experimental gel significantly reduced the number of C. albicans colonies from baseline to after 4 weeks of using the oral gel; however, no significant reductions were observed in the number of C. tropicalis or C. krusei colonies.Conclusion:The use of oral moisturising gel containing anti-CA IgY for 1 month significantly reduces the number of C. albicans CFU present on swabs in older people.

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