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Gamma-Cyclodextrin
Feature:
Gamma-cyclodextrin is a ring-shaped molecule made up of eight glucose units link ed by alpha-1,4-bonds. The solubility degree of gamma-cyclodextrin in water is 23.2 g/100ml @ 25°C, which is higher than alpha-cyclodextrin and beta-cyclodextrin, and it is used to allow formation of inclusion complexes with bigger molecules.
CAS No.: 17465-86-0
Molecular Formula: C48H80O40
Molecular Weight: 1297.12
Specifications：
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Items
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Index
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Appearance
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White powder
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Assay
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≥ 98.0%
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Moisture Content
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≤11.0%
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Residue on Ignition
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≤0.1%
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Specific Rotation
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+174°~+180°
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Heavy metal
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≤5µg/g
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As
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≤1.3µg/g
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Total bacteria count
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≤1000pcs/g
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Moulds and yeasts
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≤200pcs/g
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Escherichia coli
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Negative
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Application:
Gamma-cyclodextrin can be used as a carrier for flavours, sweeteners, and colours. In chemistry it is a valuable chemical reagent. When gamma-cyclodextrin exists, fluorescence intensity of fluorescence pigment will become much bigger, so it is used as the analysis of protein and amino acid. Gamma-cyclodextrin is also used to separate long-chain organic compound, racemic modificationand so on. Besides, the adsorbent made by gamma-cyclodextrin is used chromatographic analysis. It also can be used as complexing agent and cultivation agent instudy of enzymatic activity.
