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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

The Hydrolysis Measurement of Cyclodextrins Using FTIR-ATR Spectrometry

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.5, pp.549-557
Chung, Chinkap
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Abstract

FRIR-ATR spectrometry has been used to monitor the aqueous reactions of compounds without distinct chromophores in ultraviolet and visible regions. For example, hydrolysis reactions of <TEX>${\alpha}$</TEX>-cyclodextrin and <TEX>${\gamma}$</TEX>-cyclodextrin in acidic aqueous solution were studied. FTIR-ATR method has been used for the monitoring of cyclodextrin hydrolysis in 1.0 M. 0.5 M, and 0.1 M HCl solutions, respectively. We also found that the hydrolysis of <TEX>${\alpha}$</TEX>-cyclodextrin produced glucose, but the hydrolysis of <TEX>${\gamma}$</TEX>-cyclodextrin proceeded further to give more fragmented products than glucose.

keywords
FTIR -ATR spectrometry, cyclodextrin, hydrolysis


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