A flavor and fragrance composition possessing an antibacterial activity effective against periodontal disease-causing bacteria and / or a halitosis-inhibition action capable of controlling production of volatile sulfides, which is safe for the human body, and containing at least one or more substances selected from food fragrance materials such as hexylaldehyde, caryophyllene alcohol, cinnamicaldehyde, dihydroeugenol, farnesol, dihydrofarnesol, hinokitiol, isoeugenol, γ-undecalactone, d-limonene, o-methoxycinnamicaldehyde, β-pinene, γ-terpinene, terpinolene, orange oil, nutmeg oil, and grapefruit oil, and an oral care composition containing the same.