Coffee Capsule Aroma Profile Analysis

Capsules from sixty-five different types of coffee capsules belonging to five different brands (named A to E), together with their relative coffee machines, were purchased on local markets in Parma (Italy) or through online stores during 2016 (23 capsules from brand A; 15 capsules, brand B; 10 capsules, brand C; 10 capsules, brand D; and 7 capsules, brand E). Details on the type of coffee are fully described in reference [7 (link)].
Toluene, 2-methylbutanal, 3-methylbutanal, 2,3,5-trimethylpyrazine, and 1H-pyrrole-2-carbaldehyde were purchased from Sigma-Aldrich (St. Louis, MO, USA).

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Lolli V., Acharjee A., Angelino D., Tassotti M., Del Rio D., Mena P, & Caligiani A. (2020). Chemical Characterization of Capsule-Brewed Espresso Coffee Aroma from the Most Widespread Italian Brands by HS-SPME/GC-MS. Molecules, 25(5), 1166.

Publication 2020

Toluene 2-methylbutanal 3-methylbutanal 2,3,5-trimethylpyrazine

2 methylbutanal 3 methylbutanal Capsules Coffee Pyrrole 2 carbaldehyde Toluene

Corresponding Organization : University of Parma

Other organizations : University of Birmingham, NIHR Surgical Reconstruction and Microbiology Research Centre, University of Teramo

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Variable analysis

independent variables

Sixty-five different types of coffee capsules belonging to five different brands (named A to E)

dependent variables

Not explicitly mentioned

control variables

Coffee machines used for the coffee capsules
Toluene, 2-methylbutanal, 3-methylbutanal, 2,3,5-trimethylpyrazine, and 1H-pyrrole-2-carbaldehyde purchased from Sigma-Aldrich (St. Louis, MO, USA)

controls

No positive or negative controls were explicitly mentioned in the given information.

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