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CAS No. : | 13133-07-8 | MDL No. : | MFCD00191672 |
Formula : | C24H42O21 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | FLDFNEBHEXLZRX-DLQNOBSRSA-N |
M.W : | 666.58 | Pubchem ID : | 166775 |
Synonyms : |
|
Chemical Name : | (2R,3R,4S,5S,6R)-2-(((2S,3S,4S,5R)-2-((((2R,3S,4S,5R)-2-((((2R,3S,4S,5R)-3,4-Dihydroxy-2,5-bis(hydroxymethyl)tetrahydrofuran-2-yl)oxy)methyl)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)methyl)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
57 mg | Stage #1: With sodium methylate In methanol for 2.5 h; |
The Hex4perAc of 100mg was dissolved in 5mL of ΜeOΗ, then add 18mg, 0.3eq of CH3Ona. After stirring for 2.5 h in the greenhouse,Then add Dowex50Wx2 [H+] to neutralize. After filtering the resin, the solvent is removed under reduced pressure. The remaining portion was dissolved in H2O, Desalting by (Bio-Gel P-2Gel: 10 mL). After freeze drying, a white solid (57 mg) was obtained. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
22.1% | With Aspergillus oryzae NBRC100959 mycelia In citrate buffer at 30℃; for 8 h; Enzymatic reaction | The hydrolytic activity of β-fructofuranosidase was assayed using sucrose as a substrate, and was monitored by measuring the amount of reducing sugar released from sucrose. The enzyme solution (50 μL) was added to 50 μL of 0.4percent sucrose in 20 mM Na citrate buffer (pH 5.5) and the mixture was incubated at 30 °C. After incubation, the enzymatic reaction was stopped by heating the sample at 95 °C for 5 min. The amount of reducing sugar in the reaction mixture was determined by the Somogyi-Nelson method using glucose as a standard.22 One unit (U) of enzyme activity was defined as the amount of enzyme required to hydrolyze 1 μmol of sucrose per minute under the assay conditions. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
29.89 %Chromat. | With Aspergillus flavus NFCCI 2364 culture filtrate In aq. buffer at 55℃; for 24 h; Microbiological reaction | General procedure: FOS production was carried out by adding 1ml of enzyme samples collected at various time intervals to 3ml of 50percent (w/v) sucrose dissolved in 0.1M citrate buffer (pH 5.5) for period of 24h at 55°C. The amount of FOS formation in the samples was analyzed by high performance liquid chromatography (HPLC, Waters) with sugar-pak column (6.5×300mm) and refractive index (RI) differential detector (RI 2414). |
25.31 %Chromat. | With Aspergillus niger SI 19 culture filtrate In aq. buffer at 55℃; for 24 h; Microbiological reaction | General procedure: FOS production was carried out by adding 1ml of enzyme samples collected at various time intervals to 3ml of 50percent (w/v) sucrose dissolved in 0.1M citrate buffer (pH 5.5) for period of 24h at 55°C. The amount of FOS formation in the samples was analyzed by high performance liquid chromatography (HPLC, Waters) with sugar-pak column (6.5×300mm) and refractive index (RI) differential detector (RI 2414). |