Comparison of hydrodistillation and ultrasonic solvent extraction for the isolation of volatile compounds from two unifloral honeys of Robinia pseudoacacia L. and Castanea sativa L.
作者： I. Jerković , J. Mastelić , Z. Marijanović , Ž. Klein , M. Jelić
DOI: 10.1016/J.ULTSONCH.2006.12.014
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摘要: A comparative study of ultrasound-assisted extraction (USE) with the mixture pentane:ether (1:2) and hydrodistillation (HD) same trapping is presented for isolation volatile compounds from two unifloral honeys Robinia pseudoacacia L. Castanea sativa All HD isolates contained many thermally derived artefacts (especially phenylacetaldehyde lower percentages furfural, cis- trans-linalool oxides others). USE method gave most representative profile all honey volatiles (without artefacts). In addition, enabled low molecular weight semivolatile markers benzoic, vanillic phenylacetic acids) that were not extracted by HD. this regard, percentage benzoic acid (0.7-7.4%), (0.0-1.6%) (0.5-4.1%) was determined in Rp extracts, while Cs extracts (20.2-23.5%) as major constituent (2.5-5.5%).
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