Cyclodextrin-Based Solid-Gas Clathrates

被引：15

作者：

Pereva, Stiliana ^{[1
]}

Himitliiska, Tsveta ^{[1
]}

Spassov, Tony ^{[1
]}

Stoyanov, Simeon D. ^{[2
,3
,4
]}

Arnaudov, Luben N. ^{[2
]}

Dudevt, Todor ^{[1
]}

机构：

[1] Univ Sofia St Kl Ohridski, Fac Chem & Pharm, Sofia 1164, Bulgaria

[2] Unilever Res Labs, NL-3133 AT Vlaardingen, Netherlands

[3] Wageningen Univ, Lab Phys Chem & Colloid Sci, NL-6703 HB Wageningen, Netherlands

[4] UCL, Dept Mech Engn, London WC1E 7JE, England

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2015年 / 63卷 / 29期

关键词：

cyclodextrins; clathrates; crystallization; kinetics; INCLUSION COMPLEXES; BETA-CYCLODEXTRIN; ALPHA-CYCLODEXTRIN; AROMA COMPOUNDS; TOPOGRAPHY; CRYSTAL; GLYCOSYLTRANSFERASE; HEXAHYDRATE; RETENTION; RELEASE;

D O I：

10.1021/acs.jafc.5b01357

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

"Cyclodextrin-gas" clathrates were obtained by crystallization from water Solution of alpha-, beta-, and gamma-cyclodextrins (CDs) under pressure of the gas to be entrapped into the CD molecules. When the pressure is released, these clathrates are stable at ambient conditions and dissociate at elevated temperature, which makes them interesting for various applications as foam boosters in food and other industries. It was found that under these conditions alpha-CD forms clathrates with all of the gases used in this study (N-2, N2O, CO2,. Ar), whereas beta- and gamma-CDs can form clathrates only with N-2, The concentration of the cyclodextrin and the temperature and pressure of the gas were varied for achieving higher clathrate yield and larger amount of embedded gas. Highest values of about 2 wt % were found for alpha-CD-N2O, as it releases in the temperature range of 40-60 degrees C.

引用

页码：6603 / 6613

页数：11

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