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), R 1 represents H or a methyl group; R 3 and R 4 each represents H or an acetyl group; one of five R 5 is a saturated or unsaturated fatty acid residue that may have an OH group, and the remaining four R 5 are H; R 2 represents a C 9-18 alkylene group, or C 9-18 alkenylene group having 1 to 3 double bonds; R 6 represents hydroxy, or may form a single bond together with one of five R 7 in the compound represented by Formula (II) below) (in Formula (II), R 1' represents H or methyl group; R 3' and R 4' each represents H or an acetyl group; R 2' represents a C 9-18 alkylene group, or C 9-18 alkenylene group having 1 to 3 double bonds).