2011•Science and Technology of Food IndustryRequires access

Study on the extraction technology and chemical constituents of essential oil from the peel of Guanxi pomelo

YU Wen-feng, Haiou Wang

Abstract

The extraction of essential oil from the peel of Guanxi pomelo by hydro-distillation(HD)was studied.The effects of the factors on the oil yield were determined.The results showed that the optimum extracting time was 30min,the grade of broken of the peel was D,and the ratio of material to liquid was 1:34.The oil compounds were analyzed by gas chromatography-mass spectrometry(GC-MS).67 major components were identified covering 99.695% of the total components,including hydrocarbons(96.26%),oxy-compound(3.435%).The characteristic aroma components of Guanxi pomelo were nootkatone,farnesol,spathulenol,bicyclogermacrene,ledol,dihydromyrc-ene and epoxy-ocimene.

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Key concepts: Guanxi, Essential oil, Aroma, Extraction (chemistry), Gas chromatography–mass spectrometry, Farnesol, Chemistry, Yield (engineering)