Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 427273
Title Food-grade submicrometer particles from salts prepared using ethanol-in-oil mixtures
Author(s) Paques, J.P.; Linden, E. van der; Sagis, L.M.C.; Rijn, C.J.M. van
Source Journal of Agricultural and Food Chemistry 60 (2012)34. - ISSN 0021-8561 - p. 8501 - 8509.
Department(s) Physics and Physical Chemistry of Foods
Laboratory for Organic Chemistry
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) metal nanoparticles - living cells - evaporating solution - growth-kinetics - k2so4 crystals - vitamin-a - calcium - iron - microemulsions - stability
Abstract A simple method for preparing food-grade particles in the submicrometer range of ethanol soluble salts using ethanol-in-oil (E/O) mixtures is described. Salts CaCl2·2H2O and MgCl2·6H2O were dissolved in ethanol that subsequently was mixed with a medium-chain triglyceride oil phase. It was found that type and concentration of salt have a significant influence on the miscibility of ethanol and oil phase and on the stability of E/O mixtures. The ethanol phase was evaporated from the mixture at elevated temperatures, and salt particles with dimensions in the submicrometer range (6?400 nm) remained suspended in the oil phase. It was found that the concentration of salt and volume fraction of ethanol in MCT oil have a significant influence on the size distribution of salt particles. The size of CaCl2 and MgCl2 submicrometer particles was ascertained by scanning electron microscopy and dynamic light scattering.
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