The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 2-Ethylpyrazine(SMILESS: CCC1=NC=CN=C1,cas:13925-00-3) is researched.Synthetic Route of C5H7NOS. The article 《The effect of cocoa alkalization on the non-volatile and volatile mood-enhancing compounds》 in relation to this compound, is published in Food Chemistry. Let’s take a look at the latest research on this compound (cas:13925-00-3).
Alkalization is a process to improve color, dispersibility and flavor of cocoa powder but is likely to have a neg. effect on the phytochems. Hereto, the impact of alkalization degree (none, medium and high) on the potential mood-enhancing compounds corresponding to the four levels of the mood pyramid model (flavanols, methylxanthines, biogenic amines and orosensory properties) was investigated. The phytochem. content, analyzed via UPLC-HRMS, showed reduction of specific potential mood-enhancing compounds upon alkalization, implying a decrease in bitterness and astringency. Moreover, volatile compounds anal. via HS-SPME-GC-MS indicated that alkalization reduced the levels of volatile compounds, responsible for acidity, fruity, floral and cocoa aromas. With respect to the orosensory properties, the cocoa powder palatability was suggested to be increased due to reduced acidity, bitterness, and astringency, while the desired volatile compounds were reduced. However, sensorial anal. is required to link the volatile results with the overall effect on the flavor perception.
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