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The retention of various aroma compounds (linalool, limonene, ethyl butyrate, butyl acetate, isobutyl acetate, pentyl acetate, isopentyl acetate, hexyl acetate) by gelatine gels (2.5, 5, 10 and 20wt%) was investigated by Static Headspace Gas Chromatography. Prior to analysis the samples were left to equilibrate at 37°C for 24h. The selected volatiles differed in their hydrophobicity and structure...
The retention of trans-anethole by gelatine gels (2.5, 5, 10 and 20wt.%) and starch solutions (10 and 20wt.%) was investigated by Static Headspace Gas Chromatography. Prior to analysis the samples were left to equilibrate for 24h at 5 and 37°C, respectively. Higher partition coefficients were obtained at the higher temperature, probably due to the increased volatility of the aroma compound. The effect...
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