The subject invention provides a novel SL that is widely applicable to various fields including food or beverages, cosmetics, pharmaceuticals, and quasi-drugs.A sophorolipid compound represented by Formula (I) below:(in Formula (I), R1 represents H or a methyl group； R3 and R4 each represents H or an acetyl group； one of five R5 is a saturated or unsaturated fatty acid residue that may have an OH group, and the remaining four R5 are H； R2 represents a C9-18 alkylene group, or C9-18 alkenylene group having 1 to 3 double bonds； R6 represents hydroxy, or may form a single bond together with one of five R7 in the compound represented by Formula (II) below)(in Formula (II), R1′ represents H or methyl group； R3′ and R4′ each represents H or an acetyl group； R2′ represents a C9-18 alkylene group, or C9-18 alkenylene group having 1 to 3 double bonds).
