Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 240, Issue -, Pages 570-577Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molliq.2017.05.123
Keywords
Inclusion complex; Amino acids; beta-Cyclodextrin; Physicochemical study; PXRD
Funding
- Departmental Special Assistance Scheme [540/27/DRS/2007, SAP-1]
- Department of Chemistry, NBU under University Grants Commission, New Delhi [540/27/DRS/2007, SAP-1]
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Inclusion Composites between (beta-cyclodextrin and amino acids (viz., L-Methionine, L-Proline and L-Glutamine) are established in aqueous medium. Such complexation of amino acids in aqueous medium without using any organic solvent provides great ideas in different industries. The complexes are characterized by H-1 NMR which proves the formation of inclusion complex. The interactions of beta-CD with amino acids are analyzed by means of surface tension and density. Contributions of different groups of the guest molecules to the limiting apparent molar volume are determined. Additionally, the stoichiometry of the inclusion complexes is also determined to be 1:1 in all the three cases. The solid inclusion complex formations of beta-CD with amino acids are confirmed by PXRD analysis.(C) 2017 Elsevier B.V. All rights reserved.
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