Lactose lactulose Organicacids+galactose Epilactose Epilactose =4-0-p-D-galactopyranosyl-D-mannopyrand actulose=4-0-p-D-galactopysanosyl-D-fructofuranose Figure 9.4 Heat-induced changes in lactose under mild alkaline conditioI + I I 0 P c .- 0 0 s m I