E-2-nonenal and β-Damascenone in Beer

Coffee is one of the most produced and consumed food products worldwide. Its production generates a large amount of byproducts with bioactive potential, like the fruit skin and pulp, popularly called cascara. This study aimed to evaluate the volatile and sensory profiles and the consumption potential of commercial Coffea arabica cascara teas by Rio de Janeiro consumers. Analyses of volatile organic compounds in unfermented (n = 2) and fermented (n = 4) cascara tea infusions were performed by GC-MS. RATA and acceptance sensory tests were performed with untrained assessors (n = 100). Fifty-three volatile organic compounds distributed in 9 classes were identified in different samples. Aldehydes, acids, alcohols, esters, and ketones prevailed in order of abundance. With mild intensity, the most cited aroma and flavor attributes were sweet, herbal, woody, prune, fruity, honey, toasted maté and black tea for unfermented teas. For the fermented teas, sweet, woody, black tea, prune, herbal, citric, fruity, honey, raisin, peach, toasted maté, tamarind, and hibiscus were rated as intense. A good association between the attributes selected by the assessors and the volatile compounds was observed. Unfermented teas, with a mild flavor and traditional characteristics, showed better mean acceptance (6.0–5.9 points) when compared to fermented teas (6.0–5.3 points), with exotic and complex attributes. These were well accepted (>8.0 points) by only about 20% of the assessors, a niche of consumers that appreciate gourmet foods.

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E-2-nonenal and β-Damascenone in Beer

Cited by 3 publications

References 35 publications

Free and glycosidically bound volatile compounds in quince (Cydonia oblonga Mill) from Kashmir, India

Free and glycosidically bound volatile compounds in quince (Cydonia oblonga Mill) from Kashmir, India

Analysis of Selected Aldehydes in Packaged Beer by Solid-Phase Microextraction (SPME)–Gas Chromatography (GC)–Negative Chemical Ionization Mass Spectrometry (NCIMS)

Volatile Fingerprinting and Sensory Profiles of Coffee Cascara Teas Produced in Latin American Countries

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