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Nice sugar
Nystose
[Synonyms] Fungitetraose, Nistose
[Molecular formula and molecular weight] C 24 H 42 O 21 ; 666.
[Source] The dry root of Morinda of ficinalis.
【Structural formula】
【Properties】White powder
This product is easily soluble in methanol and water
Melting point: 120.
【Purity Check】
TLC
1.
Developing solvent of chloroform - methanol - water (5:41)
After checking the color development of 10% sulfuric acid ethanol solution, check under visible light and ultraviolet light (365nm)
2.
Developing solvent of n-butanol - pyridine - water (6:4:3)
After checking the color development of 10% sulfuric acid ethanol solution, check under visible light and ultraviolet light (365nm)
High performance liquid chromatography
Chromatographic column Agilent XDB C 18 , 10pm (4.
Mobile phase water, 1ml/min
Detection of ELSD
[Structural identification] 3384, 2933, 1456, 1419, 1132, 1028, 929
ESI-MS m/z: 689 [M+Na] +
1 H-NMR (D 2 O) δ: 5.
13 C-NMR (D 2 O) δ: 95.
【Storage】Dry and airtight