SDS of cas: 13925-00-3. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 2-Ethylpyrazine, is researched, Molecular C6H8N2, CAS is 13925-00-3, about Evaluation of genetic divergence of coffee genotypes using the volatile compounds and sensory attributes profile. Author is Machado, Jessica Louzada; Tomaz, Marcelo Antonio; da Luz, Jose Maria Rodrigues; Osorio, Vanessa Moreira; Costa, Adilson Vidal; Colodetti, Tafarel Victor; Debona, Danieli Grancieri; Pereira, Lucas Louzada.
The quality of the coffee beverage is related to the chem., phys., and sensory attributes of the coffee beans that vary with the geog. location of the crop, genetic factors, and post-harvest processing. So, the objective of this study was to evaluate the genetic divergence of 27 genotypes of Coffea canephora using the volatile compounds and sensory attributes profile to select genotypes that produce a coffee beverage with high sensory quality. This genetic diversity was estimated from the Euclidean distance matrix using non-standard data and the Unweighted Pair-Group Method Using Arithmetic Averages (UPGMA). The 2-furyl-methanol, 4-ethenyl-2-methoxyphenol, furfural, 5-methylfurfural, methylpyrazine, and 2,6-dimethylpyrazine were predominating volatile compounds in the genotypes. The sensory attributes had a pos. Pearson’s correlation with the total score. The volatile compounds had a different relative contribution to the genetic divergence between the genotypes of C. canephora. The 4-ethenyl-2-methoxyphenol, 2-furyl-methanol, and furfural were volatile compounds that most contributed to the formation of the groups in the UPGMA dendrogram. The relative contribution of sensory attributes to dissimilarity among genotypes was 6.42% to 20.20%. Therefore, this study verified the relative contribution of volatile compounds, in specially 4-ethenyl-2-methoxyphenol, 2-furyl-methanol, and furfural, and sensory attributes (flavor, mouthfeel, and bitterness/sweetness) to the genetic divergence between the genotypes of the three clonal varieties. Thus, this work points out compounds that pos. contribute to the sensory quality of the Conilon coffee beverage.
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