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Chapter 42. Gas Chromatography-Olfactometric Profiles of Eight Different Varieties of Peruvian Pisco Spirits
出版Elsevier Inc. Chapters, 2013-07-29
主題Science / Life Sciences / General
ISBN01280673069780128067307
URLhttp://books.google.com.hk/books?id=rDV1DAAAQBAJ&hl=&source=gbs_api
EBookSAMPLE
註釋The aromatic composition of 130 Peruvian pisco spirits was evaluated by gas chromatography-olfactometry (GC-O). These samples belonged to aromatic and non-aromatic piscos. The volatiles of these spirits samples were collected using a purge and trap system, and the number of odorants present was 30 in aromatic and 19 in non-aromatic samples. It is remarkable that most of them were identified. Nine of these odorants obtained values of modified frequency (%MF) higher than 50% (could be considered as the base of the aroma of this kind of spirit). Furthermore, other compounds have been found to have olfactometric scores that differ significantly between aromatic and non-aromatic piscos.