All Photos(2)

G0886

Sigma-Aldrich

4-O-β-Galactopyranosyl-D-mannopyranose

≥98.0% (HPLC)

Synonym(s):
2-epi-Lactose
Empirical Formula (Hill Notation):
C12H22O11
CAS Number:
Molecular Weight:
342.30
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

assay

≥98.0% (HPLC)

optical activity

[α]/D 24.00 to 30.00°, c = 9.00-11.00 mg/mL in water

application(s)

HPLC: suitable

solubility

H2O: soluble 49.00-51.00 mg/mL, clear to very slightly hazy, colorless

SMILES string

OCC1OC(OC2C(O)C(O)OC(CO)C2O)C(O)C(O)C1O

InChI

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

InChI key

QIGJYVCQYDKYDW-UHFFFAOYSA-N

Application

4-O-β-Galactopyranosyl-D-mannopyranose (2-epi-Lactose, 2-epilactose), a nondigestible epimer of lactose, may be used to study its value as a prebiotic sugar that promotes intestinal mineral, especially calcium, absorption.

Packaging

25, 100 mg in poly bottle

Storage Class Code

13 - Non Combustible Solids

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Mina Ha et al.
Journal of preventive medicine and public health = Yebang Uihakhoe chi, 41(5), 345-354 (2008-10-02)
Our objective is to review and summarize the previous studies on the health effects of exposure to oil spills in order to make suggestions for mid- and long-term study plans regarding the health effects of the Hebei Spirit oil spill...
Takuya Suzuki et al.
Journal of agricultural and food chemistry, 58(3), 1927-1932 (2010-01-15)
We previously showed that epilactose, a nondigestible disaccharide, increased calcium (Ca) absorption in the small intestines of rats. Here, we explored the mechanism(s) underlying the epilactose-mediated promotion of Ca absorption in a ligated intestinal segment of anesthetized rats. The addition...
Wanmeng Mu et al.
Applied microbiology and biotechnology, 97(5), 1821-1827 (2013-01-16)
Epilactose (4-O-β-D-galactopyranosyl-D-mannose), an epimer of lactose, is a rare disaccharide existing extremely small quantities in heat-treated milk, in which epilactose is produced by non-enzymatic catalysis from lactose. This disaccharide is a kind of non-digestible carbohydrate, has a good prebiotic effect...

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