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72555

Supelco

1-Kestose

analytical standard

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Synonym(s):
β-D-Fruf-(2→1)-β-D-Fruf-(2→1)-α-D-Glup
Empirical Formula (Hill Notation):
C18H32O16
CAS Number:
Molecular Weight:
504.44
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

assay

≥98.0% (HPLC)

analyte chemical class(es)

oligosaccharides

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

food and beverages

format

neat

storage temp.

2-8°C

SMILES string

OC[C@H]1O[C@H](O[C@]3(CO[C@]2(CO)O[C@H](CO)[C@@H](O)[C@@H]2O)O[C@H](CO)[C@@H](O)[C@@H]3O)[C@H](O)[C@@H](O)[C@@H]1O

InChI

1S/C18H32O16/c19-1-6-9(23)12(26)13(27)16(31-6)34-18(15(29)11(25)8(3-21)33-18)5-30-17(4-22)14(28)10(24)7(2-20)32-17/h6-16,19-29H,1-5H2/t6-,7-,8-,9-,10-,11-,12+,13-,14+,15+,16-,17-,18+/m1/s1

InChI key

VAWYEUIPHLMNNF-OESPXIITSA-N

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This Item
S4001C7252S0389
1-Kestose analytical standard

72555

1-Kestose

Stachyose hydrate ≥98% (HPLC)

S4001

Stachyose hydrate

D-(+)-Cellobiose ≥98% (HPLC)

C7252

D-(+)-Cellobiose

Sucrose for molecular biology, ≥99.5% (GC)

S0389

Sucrose

grade

analytical standard

grade

-

grade

-

grade

for molecular biology

application(s)

food and beverages

application(s)

-

application(s)

-

application(s)

agriculture
agriculture
life science and biopharma
metabolomics
sample preservation

format

neat

format

-

format

-

format

-

assay

≥98.0% (HPLC)

assay

≥98% (HPLC)

assay

≥98% (HPLC)

assay

≥99.5% (GC)

analyte chemical class(es)

oligosaccharides

analyte chemical class(es)

-

analyte chemical class(es)

-

analyte chemical class(es)

-

General description

1-Kestose is a functional trisaccharide, which can be produced from sucrose via a fructosyl-transfer reaction catalyzed by Β-fructofuranosidase from Aspergillus japonicus.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Other Notes

Side product of sugar beet raffination

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Sigma-Aldrich

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Denise Altenbach et al.
FEBS letters, 579(21), 4647-4653 (2005-08-16)
The active center of the glycoside hydrolase family 32 contains the three characteristic motifs (N/S)DPNG, RDP, and EC. We replaced the N-terminal region including the (N/S)DPNG motif of barley 6-SFT (sucrose:fructan 6-fructosyltransferase) by the corresponding region of Festuca 1-SST (sucrose:sucrose
Production of Functional Inulin-Type Fructooligosaccharides by an Enzyme from Penicillium citrinum
Tashiro Y, et al.
Current Microbiology, 74, 1114-1117 (2017)
Willem Lammens et al.
The Plant journal : for cell and molecular biology, 70(2), 205-219 (2011-11-22)
Fructans play important roles as reserve carbohydrates and stress protectants in plants, and additionally serve as prebiotics with emerging antioxidant properties. Various fructan types are synthesized by an array of plant fructosyltransferases belonging to family 32 of the glycoside hydrolases
Gareth S Catchpole et al.
Proceedings of the National Academy of Sciences of the United States of America, 102(40), 14458-14462 (2005-09-28)
There is current debate whether genetically modified (GM) plants might contain unexpected, potentially undesirable changes in overall metabolite composition. However, appropriate analytical technology and acceptable metrics of compositional similarity require development. We describe a comprehensive comparison of total metabolites in
Katrien Le Roy et al.
Plant physiology, 145(3), 616-625 (2007-09-18)
Plant cell wall invertases and fructan exohydrolases (FEHs) are very closely related enzymes at the molecular and structural level (family 32 of glycoside hydrolases), but they are functionally different and are believed to fulfill distinct roles in plants. Invertases preferentially

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