Compound
lactose
A disaccharide of glucose and galactose in human and cow milk. It is used in pharmacy for tablets, in medicine as a nutrient, and in industry.
Structure
Loading the model…
- Class
- Organic compound
- Formula
- C12H22O11
- Mass
- 342.297 g/mol
- Charge
- 0
- InChIKey
- GUBGYTABKSRVRQ-QKKXKWKRSA-N
- SMILES
- OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O
- Look it up
- ChEBIPubChemBy InChIKey
Identity from ChEBI, geometry from PubChem. Not evidence.
What it touches on the way
Mechanistic reach
3 entities
3 entities reached.
What the reference databases state
Chemical structure
- beta-D-galactosyl-(1->4)-[alpha-L-fucosyl-(1->3)]-D-glucose has the functional parent lactoseCompoundChEBI CHEBI:90065Inferred only
Statements
3 statements
3 statements · 1 reference database · Subject: lactose · Sources: Rhea
- lactose is a substrate of FUT3ProteinRhea RHEA:62888Inferred only
- lactose is a substrate of FUT6ProteinRhea RHEA:62888Inferred only
- lactose is a substrate of LCTProteinRhea RHEA:10076Inferred only
Reactions
13 reactions
lactose+waterbeta-D-galactose+D-glucose
Catalysed by LCT
Reaction pageLeft to rightBalanced
Rhea RHEA:10076CC BY 4.0Reference data
D-glucose+UDP-alpha-D-galactoselactose+UDP+hydron
Catalysed by B4GALT2 or B4GALT1
Reaction pageLeft to rightBalanced
Rhea RHEA:12404CC BY 4.0Reference data
CHEBI:30248+waterCHEBI:27707+lactose
Reaction pageDirection not assertedBalanced
Rhea RHEA:21568CC BY 4.0Reference data
Reaction pageDirection not assertedBalanced
Rhea RHEA:28863CC BY 4.0Reference data
Reaction pageDirection not assertedBalanced
Rhea RHEA:28867CC BY 4.0Reference data
lactose+N(pros)-phospho-L-histidyl-[protein]CHEBI:79080+L-histidyl-[protein]
Reaction pageDirection not assertedBalance undeterminable
Rhea RHEA:42400CC BY 4.0Reference data
lactose+GDP-beta-L-fucosebeta-D-galactosyl-(1->4)-[alpha-L-fucosyl-(1->3)]-D-glucose+GDP+hydron
Reaction pageLeft to rightBalanced
Rhea RHEA:62888CC BY 4.0Reference data
N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose+waterlactose+N-acetylneuraminate
Catalysed by NEU2
Reaction pageLeft to rightBalanced
Rhea RHEA:64640CC BY 4.0Reference data
a beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide+waterlactose+an N-acyl-sphingoid base
Reaction pageDirection not assertedBalance undeterminable
Rhea RHEA:65552CC BY 4.0Reference data
CHEBI:60239+waterCHEBI:16153+lactose
Reaction pageDirection not assertedBalanced
Rhea RHEA:83143CC BY 4.0Reference data
lactoseCHEBI:59563
Reaction pageDirection not assertedBalanced
Rhea RHEA:84431CC BY 4.0Reference data
lactose+CMP-N-acetyl-beta-neuraminateN-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose+CMP+hydron
Reaction pageDirection not assertedBalanced
Rhea RHEA:86443CC BY 4.0Reference data
On the label
Labelled products
45 products
Source: NIH DSLD · Ingredient: lactose · 45 products · Declared amount per serving: 0.1–16.2 Gram(s) (33 products)
39 labels state an amount6 do not
- BiocodexFlorastor32.5 mgper 2 Gluten-free, Vegetarian Capsule(s)DSLD:206744
- BiocodexFlorastor32.5 mgper 2 Capsule(s)DSLD:270390
- BiocodexFlorastor Kids Tutti-Frutti Flavor32.5 mgper 1 Gluten-free, Vegetarian Sachet(s)DSLD:206738
- BiocodexFlorastor Saccharomyces Boulardii Lyo33 mgper 1 Capsule(s)DSLD:25699
- BiocodexFlorastor Saccharomyces Boulardii Lyo33 mgper 1 vegetarian, gluten-free capsule(s)DSLD:25700
- Body Attack100% Whey Protein Vanilla Ice Flavour5.7 Gram(s)per 30 Gram(s)DSLD:334175
- Body Attack Sports Nutrition100% Casein Protein Chocolate Cream0.2 Gram(s)per 30 Gram(s)DSLD:334148
- Body Attack Sports Nutrition100% Casein Protein Chocolate Cream0.2 Gram(s)per 30 Gram(s)DSLD:334155
- Body Attack Sports Nutrition100% Casein Protein Cookies 'N Cream14.6 Gram(s)per 30 Gram(s)DSLD:334149
- Body Attack Sports Nutrition100% Casein Protein Cookies 'N Cream0.6 Gram(s)per 30 Gram(s)DSLD:334156
- Body Attack Sports Nutrition100% Casein Protein Peach-Mascarpone Cream0.3 Gram(s)per 30 Gram(s)DSLD:334150
- Body Attack Sports Nutrition100% Casein Protein Peach-Mascarpone Cream0.3 Gram(s)per 30 Gram(s)DSLD:334157
Show the remaining 33
- Body Attack Sports Nutrition100% Casein Protein Strawberry Banana Cream0.6 Gram(s)per 30 Gram(s)DSLD:334151
- Body Attack Sports Nutrition100% Casein Protein Strawberry Cream0.6 Gram(s)per 30 Gram(s)DSLD:334152
- Body Attack Sports Nutrition100% Casein Protein Vanilla Cream14.6 Gram(s)per 30 Gram(s)DSLD:334161
- Body Attack Sports Nutrition100% Whey Protein Apfelstrudel5.9 Gram(s)per 30 Gram(s)DSLD:329523
- Body Attack Sports Nutrition100% Whey Protein Chocolate Brownie Cream2.3 Gram(s)per 30 Gram(s)DSLD:329524
- Body Attack Sports Nutrition100% Whey Protein Chocolate Cream15.9 Gram(s)per 30 Gram(s)DSLD:334163
- Body Attack Sports Nutrition100% Whey Protein Cookies 'N Cream16.1 Gram(s)per 30 Gram(s)DSLD:334165
- Body Attack Sports Nutrition100% Whey Protein Natural3.5 Gram(s)per 30 Gram(s)DSLD:334167
- Body Attack Sports Nutrition100% Whey Protein Natural7 Gram(s)per 30 Gram(s)DSLD:334168
- Body Attack Sports Nutrition100% Whey Protein Strawberry Cream16.2 Gram(s)per 30 Gram(s)DSLD:334170
- Body Attack Sports Nutrition100% Whey Protein Strawberry White Chocolate5.1 Gram(s)per 30 Gram(s)DSLD:334171
- Body Attack Sports NutritionAttack 3.0 Orange Flavour0.1 Gram(s)per 75 Gram(s)DSLD:334176
- Body Attack Sports NutritionCreatine Protein Chocolate Flavour1.3 Gram(s)per 50 Gram(s)DSLD:329546
- Body Attack Sports NutritionCreatine Protein Chocolate Flavour2.5 Gram(s)per 50 Gram(s)DSLD:329546
- Body Attack Sports NutritionExtreme Iso Whey Butter Biscuit0.5 Gram(s)per 30 Gram(s)DSLD:337763
- Body Attack Sports NutritionExtreme Iso Whey Cookies 'N Cream Flavour1 Gram(s)per 30 Gram(s)DSLD:329572
- Body Attack Sports NutritionExtreme Iso Whey Strawberry Flavour0.4 Gram(s)per 30 Gram(s)DSLD:334237
- Body Attack Sports NutritionExtreme Iso Whey Vanilla Flavour0.8 Gram(s)per 30 Gram(s)DSLD:334238
- Body Attack Sports NutritionExtreme Iso Whey Vanilla Flavour0.4 Gram(s)per 30 Gram(s)DSLD:334239
- Body Attack Sports NutritionExtreme Whey Deluxe Banana Flavour2.3 Gram(s)per 30 Gram(s)DSLD:337767
- Body Attack Sports NutritionPower Protein 90 Apricot-Maracuya Flavour15.2 Gram(s)per 30 Gram(s)DSLD:337737
- Body Attack Sports NutritionPower Protein 90 Banana Flavour15.2 Gram(s)per 30 Gram(s)DSLD:337738
- Body Attack Sports NutritionPower Protein 90 Blueberry-Yoghurt Cream1.2 Gram(s)per 30 Gram(s)DSLD:334252
- Body Attack Sports NutritionPower Protein 90 Coconut Cream15 Gram(s)per 30 Gram(s)DSLD:334253
- Body Attack Sports NutritionPower Weight Gainer Banana Flavour0.4 Gram(s)per 50 Gram(s)DSLD:337739
- Body Attack Sports NutritionWhey Amino Gold1 Gram(s)per 5 Tablet(s)DSLD:329618
- GNC Pro Performance AMPWomen's Advanced Protein Vanilla Ice Creamamount not statedper 26.5 Gram(s)DSLD:74605
- IsotonixDigestive Enzymes with Probiotics800 LACper 6.67 Gram(s)DSLD:29520
- Nutri-WestStress/PAN-Famount not statedper 1 Tablet(s)DSLD:28269
- NutrologyGrass Fed Whey Protein Creamy Chocolateamount not statedper 32.5 Gram(s)DSLD:42589
- NutrologyGrass Fed Whey Protein Vanilla Ice Creamamount not statedper 32.5 Gram(s)DSLD:42588
- Systemic Formulas Bio NutrimentACP Vitamin ACPamount not statedper 1 Capsule(s)DSLD:22201
- Systemic Formulas Bio NutrimentEZV 200 IU Vitamin Eamount not statedper 1 Tablet(s)DSLD:21993
Label record: NIH Office of Dietary Supplements · CC0
Other names
20 names
Resolves to: lactose
- Also called
- (+)-lactose(Gal)1 (Glc)11-beta-D-Galactopyranosyl-4-D-glucopyranose4-(beta-D-galactosido)-D-glucose4-(β-D-galactosido)-D-glucose4-O-beta-D-galactopyranosyl-D-glucose4-O-β-D-galactopyranosyl-D-glucosebeta-D-Gal-(1->4)-D-Glcbeta-D-Galp-(1->4)-D-Glcpbeta-Gal1,4-GlcD-lactoseGalbeta1-4GlcGalβ1-4GlcLaclactobiosemilk sugarβ-D-Galp-(1→4)-D-Glcpβ-Gal1,4-Glc
- Systematic name
- beta-D-galactopyranosyl-(1->4)-D-glucopyranoseβ-D-galactopyranosyl-(1→4)-D-glucopyranose