In 2015, Italian Grape Ale (IGA) beers have been included as a new provisional sub-category of special-type fruit beers by the Beer Judge Certification Program, including those products whose brewing process is carried out in presence of determined quantities of grape must. However, information on the effects of these additions on the composition of final beers are still scarce. This work is hence focused on the chromatic, volatile, phenolic and sensory characterization of IGA beers obtained with the addition of grape musts during brewing process. To this aim, different amounts of must (5, 10 and 20%) from cv. Lambrusco red grapes were added to a lager wort before primary fermentation. Beers were then characterized by HPLC-MS, GC-MS and sensory analysis in order to determine phenolic and aroma compounds along with their sensory attributes. Results confirmed the addition of must from cv. Lambrusco grapes capable to enrich beers in color, acids, phenolic (up to 7-folded increased) and volatile compounds, while giving complexity to beers. These results, which were confirmed by a trained sensory panel, are among the very first insights on the impact of red grape must in brewing, both from a compositional and sensory point of view.

Castro Marin, A., Baris, F., Romanini, E., Lambri, M., Montevecchi, G., Chinnici, F., Physico-chemical and sensory characterization of a fruit beer obtained with the addition of cv. Lambrusco grapes must, <<BEVERAGES>>, 2021; 7 (2): 1-18. [doi:10.3390/beverages7020034] [http://hdl.handle.net/10807/187458]

Physico-chemical and sensory characterization of a fruit beer obtained with the addition of cv. Lambrusco grapes must

Romanini E.;Lambri M.;
2021

Abstract

In 2015, Italian Grape Ale (IGA) beers have been included as a new provisional sub-category of special-type fruit beers by the Beer Judge Certification Program, including those products whose brewing process is carried out in presence of determined quantities of grape must. However, information on the effects of these additions on the composition of final beers are still scarce. This work is hence focused on the chromatic, volatile, phenolic and sensory characterization of IGA beers obtained with the addition of grape musts during brewing process. To this aim, different amounts of must (5, 10 and 20%) from cv. Lambrusco red grapes were added to a lager wort before primary fermentation. Beers were then characterized by HPLC-MS, GC-MS and sensory analysis in order to determine phenolic and aroma compounds along with their sensory attributes. Results confirmed the addition of must from cv. Lambrusco grapes capable to enrich beers in color, acids, phenolic (up to 7-folded increased) and volatile compounds, while giving complexity to beers. These results, which were confirmed by a trained sensory panel, are among the very first insights on the impact of red grape must in brewing, both from a compositional and sensory point of view.
Inglese
Castro Marin, A., Baris, F., Romanini, E., Lambri, M., Montevecchi, G., Chinnici, F., Physico-chemical and sensory characterization of a fruit beer obtained with the addition of cv. Lambrusco grapes must, <>, 2021; 7 (2): 1-18. [doi:10.3390/beverages7020034] [http://hdl.handle.net/10807/187458]
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