Abstract: The present invention relates to an oral composition having an enhanced solubility of an alkyl galactoside while holding an inhibiting effect on coaggregation of the alkyl galactoside well. The present invention provides an oral composition comprising the following components: (A) 0.001 mass % or more and 1 mass % or less of a compound represented by the following formula (I): wherein R is an optionally substituted linear or branched alkyl group having 8 to 18 carbon atoms, G is a galactose residue, E is a hydrogen atom or a methyl group, m is an integer of 0 to 200, and n is an integer of 1 to 30; (B) 0.001 mass % or more and 0.1 mass % or less of a cationic bactericide; and (C) 35 mass % or more of water.

Abstract: The present invention relates to an oral composition having an enhanced solubility of an alkyl galactoside while holding an inhibiting effect on coaggregation of the alkyl galactoside well. The present invention provides an oral composition comprising the following components: (A) 0.001 mass % or more and 1 mass % or less of a compound represented by the following formula (I): wherein R is an optionally substituted linear or branched alkyl group having 8 to 18 carbon atoms, G is a galactose residue, E is a hydrogen atom or a methyl group, m is an integer of 0 to 200, and n is an integer of 1 to 30; (B) 0.001 mass % or more and 0.1 mass % or less of a cationic bactericide; and (C) 35 mass % or more of water.

Abstract: The present invention relates to an oral care composition, which contains a compound represented by the formula (A): (wherein, R represents a substituted or unsubstituted, linear or branched alkyl group having from 6 to 18 carbon atoms, G represents a galactose residue, m stands for an integer of from 0 to 200, and n stands for an integer of from 1 to 30); and a coaggregation inhibitor of bacteria of the genus Fusobacterium and cariogenic bacteria, which contains the compound as an effective ingredient. The composition for oral cavity according to the present invention inhibits coaggregation of bacteria of the genus Fusobacterium with cariogenic bacteria so that it has an excellent caries preventive effect.

Abstract: The present invention relates to an oral care composition, which contains a compound represented by the formula (A): (wherein, R represents a substituted or unsubstituted, linear or branched alkyl group having from 6 to 18 carbon atoms, G represents a galactose residue, m stands for an integer of from 0 to 200, and n stands for an integer of from 1 to 30); and a coaggregation inhibitor of bacteria of the genus Fusobacterium and cariogenic bacteria, which contains the compound as an effective ingredient. The composition for oral cavity according to the present invention inhibits coaggregation of bacteria of the genus Fusobacterium with cariogenic bacteria so that it has an excellent caries preventive effect.

Abstract: The present invention relates to an oral care composition, which contains a compound represented by the formula (A): (wherein, R represents a substituted or unsubstituted, linear or branched alkyl group having from 6 to 18 carbon atoms, G represents a galactose residue, m stands for an integer of from 0 to 200, and n stands for an integer of from 1 to 30); and a coaggregation inhibitor of bacteria of the genus Fusobacterium and cariogenic bacteria, which contains the compound as an effective ingredient. The composition for oral cavity according to the present invention inhibits coaggregation of bacteria of the genus Fusobacterium with cariogenic bacteria so that it has an excellent caries preventive effect.

Abstract: The present invention provides a method for specifically detecting or identifying Fusobacterium nucleatum in a biological sample, which is a suppurative disease-related bacterium and also is a halitosis-causing bacterium. The method employs the following primers (1) and (2): namely, (1) a forward primer with a consecution of 10 or more nucleotides in length, having a nucleotide sequence contained in a sequence of SEQ ID No. 1; and, (2) a reverse primer with a consecution of 10 or more nucleotides in length, having a nucleotide sequence contained in a sequence complementary to SEQ ID No. 2.