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Water Sorption Isotherms of Sucrose and Glucose by Inverse Gas Chromatography
Author(s) -
SMITH D. S.,
MANNHEIM C. H.,
GILBERT S. G.
Publication year - 1981
Publication title -
journal of food science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 150
eISSN - 1750-3841
pISSN - 0022-1147
DOI - 10.1111/j.1365-2621.1981.tb02989.x
Subject(s) - sorption , chromatography , chemistry , inverse gas chromatography , gas chromatography , sucrose , water activity , sorption isotherm , adsorption , water content , organic chemistry , geology , geotechnical engineering
A novel gas chromatographic procedure was used to obtain the water sorption isotherms of sucrose and glucose. The method allows calculation of partial pressure of water and water uptake directly from a chromatogram. The isotherms developed are in a water activity range well below that of conventionally developed isotherms.