Analysis of Freshly Brewed Espresso Using a Retronasal Aroma Simulator and Influence of Milk Addition
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概要
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Abstract: A quick (headspace: 1 min and retronasal aroma simulator (RAS): 2 min) sampling method for capturing volatiles released from coffee drinks by solid-phase microextraction (SPME) (fiber type; divinylbenzene (DVB)/carboxen/polydimethylsiloxane (PDMS)) has been applied to freshly brewed espresso and café latte (espresso and milk). Headspace volatiles and volatiles in the RAS effluent were collected from espresso and café latte, and examined by gas chromatography/mass spectrometry (GC/MS) and GC/olfactometry (GC/O, CharmAnalysis™). When milk was added to espresso in 60% by weight, aroma release (odor activities) was generally suppressed, both in headspace and RAS aromas. The relative charm value of sweet-caramel odor increased in the headspace aroma, while the phenolic odor increased markedly and the smoke-roast odor decreased in the RAS aroma. These results suggested that milk addition had different effects on the headspace and RAS aromas.
- 2009-05-01
著者
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SAGARA Yasuyuki
Department of Global Agricultural Sciences, Graduate School of Agricultural and Life Sciences, The U
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AKIYAMA Masayuki
Morinaga Milk Industry Co., Ltd.
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MURAKAMI Kazuya
Morinaga Milk Industry Co., Ltd.
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IKEDA Michio
Morinaga Milk Industry Co., Ltd.
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IWATSUKI Keiji
Morinaga Milk Industry Co., Ltd.
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WADA Akira
San-Ei Gen F.F.I., Inc.
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TOKUNO Katsuya
San-Ei Gen F.F.I., Inc.
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ONISHI Masanobu
San-Ei Gen F.F.I., Inc.
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IWABUCHI Hisakatsu
San-Ei Gen F.F.I., Inc.
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Ikeda Michio
Morinaga Milk Ind. Co. Ltd. Kanagawa Jpn
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SAGARA Yasuyuki
Food-Kansei Communications Corp.
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Iwatsuki Keiji
Morinaga Milk Industry Co. Ltd.
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Tokuno Katsuya
San-ei Gen F.f.i. Inc.
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Sagara Yasuyuki
Department Of Global Agricultural Sciences Graduate School Of Agricultural And Life Sciences Univers
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Sagara Yasuyuki
Food Kansei Communications
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Sagara Yasuyuki
Department Of Global Agricultural Science Graduate School Of Agricultural And Life Sciences The Univ
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Akiyama Masayuki
Morinaga Milk Industry Co. Ltd.
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Murakami Kazuya
Morinaga Milk Industry Co. Ltd.
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Sagara Yasuyuki
Graduate School Of Agricultural And Life Sciences University Of Tokyo
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Iwabuchi Hisakatsu
San-ei Gen F.f.i. Inc.
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Iwabuchi Hisakatsu
San-ei Gen F. F. I. Inc.
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Wada Akira
San-ei Gen F.f.i. Inc.
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Onishi Masanobu
San-ei Gen F.f.i. Inc.
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SAGARA Yasuyuki
Department of Agricultural Engineering, Faculty of Agriculture, The University of Tokyo
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