Influence of citrus flavor addition in brewing process: characterization of the volatile and non-volatile profile to prevent frauds and adulterations was written by Trovato, Emanuela;Arigo, Adriana;Vento, Federica;Micalizzi, Giuseppe;Dugo, Paola;Mondello, Luigi. And the article was included in Separations in 2021.Category: esters-buliding-blocks The following contents are mentioned in the article:
In the last few years, the flavored beer market has increased significantly. In particular, consumers showed a growing interest in citrus-flavored beers. Citrus fruits contain, among other class of compounds, terpenes and terpenoids and oxygenated heterocyclic compounds The absence of a specific legislation concerning beer flavored production and ingredients reported on the labels makes these beers subject to possible adulterations. Solid phase micro extraction (SPME) followed by gas chromatog.-mass spectrometry (GC-MS) and gas chromatog.-flame ionization detector (GC-FID) anal. of the volatile profile together with the characterization of the oxygen heterocyclic compounds through high performance liquid chromatog. coupled to tandem mass spectrometry (HPLC-MS/MS) demonstrated to be a powerful anal. strategy for quality control. In this study, we combined the volatile and non-volatile profiles of ”citrus flavored mainstream beers”, in order to evaluate the authenticity and determine markers to prevent food frauds. The changes in the aroma composition of the unflavored types after the addition of peel, or citrus essential oil were also evaluated. The linear retention index (LRI) system was used for both techniques; in particular, its application in liquid chromatog. is still limited and represents a novelty. The coupling of the high sensitivity of the HPLC MS/MS method with the LRI system, it has made possible for the first time a reliable identification and an accurate quantification of furocoumarins in citrus-flavored beers. This study involved multiple reactions and reactants, such as Octyl acetate (cas: 112-14-1Category: esters-buliding-blocks).
Octyl acetate (cas: 112-14-1) belongs to esters. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Category: esters-buliding-blocks
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics