Lactose IntoleranceLactaseLactoseLactose Tolerance TestLactose SynthaseLactose FactorsThiogalactosidesSymportersMilkNitrophenylgalactosidesGalactosidesGalactosidasesMonosaccharide Transport ProteinsMembrane Transport ProteinsMethylgalactosidesHydrogenYogurtBreath TestsEscherichia coliMelibioseEscherichia coli ProteinsLac OperonPowdersDisaccharidesCarbohydrate MetabolismDairy ProductsFlatulenceGalactosephosphatesLactalbuminThioglycosidesPhosphoenolpyruvate Sugar Phosphotransferase SystemGlycosidesMolecular Sequence DataMaltoseLac RepressorsAmino Acid SequenceIsopropyl ThiogalactosideLactationLactococcus lactisLactase-Phlorizin HydrolaseExcipientsCarbohydratesKineticsStreptococcusHydrogen-Ion ConcentrationMalabsorption SyndromesMembrane Transport ModulatorsGlucoseIntestinal AbsorptionTrypsinSucroseHypocreaLactuloseDNA, BacterialBase SequenceDigestionCulture MediaGalectinsLactobacillusLectinsKluyveromycesChemistry, PharmaceuticalMammary Glands, AnimalCattleBifidobacteriumHydrolysisBiological Transport, ActiveIntestine, SmallPeptide FragmentsPlasmidsBiological Transport