Reaction catalyzed by galactinol-raffinose galactosyltransferase (2.4.1.67), galactinol-sucrose galactosyltransferase (2.4.1.82)

		+		H2O	=			+
	1-alpha-D-galactosyl-myo-inositol	+		H2O	=		myo-inositol	+		D-galactose