FComEx: Lactose (PC000091)

Record Information

Version

1.0

Creation date

2015-10-09 22:28:10 UTC

Update date

2017-01-19 02:36:12 UTC

FoodComEx ID

PC000091

FoodDB Record

FDB001145

Chemical Information

Name

Lactose

Description

Occurs in mammalian milk (human 6-7%, cow 4-5%), fruits of sapodilla Achras sapota, and a few other plants. Nutrient. obtained industrially from whey Lactose is a disaccharide sugar that is found most notably in milk and is formed from galactose and glucose. Lactose makes up around 2-8% of milk (by weight), although the amount varies among species and individuals. It is extracted from sweet or sour whey. [Wikipedia]. Lactose in the urine is a biomarker for the consumption of milk. Lactose is found in many foods, some of which are tortilla, swamp cabbage, scrapple, and spearmint.

CAS Number

63-42-3

Structure

MOL SDF 3D-SDF PDB SMILES InChI View 3D Structure

Synonyms

Synonym	Source
(+)-Lactose	HMDB
1-b-D-Galactopyranosyl-4-a-D-glucopyranose	Generator
1-beta-delta-Galactopyranosyl-4-alpha-delta-glucopyranose	HMDB
1-β-D-galactopyranosyl-4-α-D-glucopyranose	Generator
4-O-b-D-Galactopyranosyl-a-D-glucopyranose	Generator
4-O-b-D-Galactopyranosyl-D-glucose, 9CI, 8CI	db_source
4-O-beta-D-Galactopyranosyl-alpha-D-glucopyranose	ChEBI
4-O-Hexopyranosylhexose	HMDB
4-O-β-D-galactopyranosyl-α-D-glucopyranose	Generator
a-Lactose	Generator
Aletobiose	HMDB
Anhydrous lactose	ChEBI
b-D-Galp-(1->4)-a-D-glcp	Generator
beta-D-Gal-1-4-D-Glc	biospider
beta-D-Galp-(1->4)-alpha-D-glcp	ChEBI
D-lactose	biospider
Dilactose	HMDB
Fast-flo lactose	HMDB
Flowlac 100	HMDB
Galactinum	biospider
Glc-(4-1)Gal	biospider
Granulac 140m	HMDB
Lactin	db_source
Lactin (carbohydrate)	HMDB
Lactobiose	db_source
Lactohale 300	HMDB
Lactose anhydride	HMDB
Lactose fast-flo	HMDB
Milk sugar	db_source
Osmolactan	HMDB
Pharmatosa dcl 21	HMDB
Pharmatose 21	HMDB
Pharmatose 325m	HMDB
Pharmatose dcl 15	HMDB
Prismalac	HMDB
Respitose ml 003	HMDB
Respitose sv 003	HMDB
Saccharum lactin	HMDB
Sachelac	HMDB
Sorbalac 400	HMDB
Sorbolac 400	HMDB
Spherolac	HMDB
Super-tab	HMDB
Tablettose	HMDB
Tablettose 70	HMDB
Tablettose 80	HMDB
Zeparox ep	HMDB
α-lactose	Generator
β-D-galp-(1->4)-α-D-glcp	Generator

Chemical Formula

C12H22O11

IUPAC name

(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-{[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy}oxane-3,4,5-triol

InChI Identifier

InChI=1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5+,6+,7-,8-,9-,10-,11?,12+/m1/s1

InChI Key

GUBGYTABKSRVRQ-QKKXKWKRSA-N

Isomeric 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

Average Molecular Weight

342.2965

Monoisotopic Molecular Weight

342.116211546

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as o-glycosyl compounds. These are glycoside in which a sugar group is bonded through one carbon to another group via a O-glycosidic bond.

Kingdom

Organic compounds

Super Class

Organic oxygen compounds

Class

Organooxygen compounds

Sub Class

Carbohydrates and carbohydrate conjugates

Direct Parent

O-glycosyl compounds

Alternative Parents