Subtitle:

Mechanisms of pyrazine compounds formation and validation of raw material thermal processing during technological process based on the presence of pyrazine in raw spirits

Publisher:

Komitet Biotechnologii PAN ; Instytut Chemii Bioorganicznej PAN

Abstract:

Pressure-thermal processing of starchy plants raw materials with the use of Henze steamer can cause a number of unfavourable phenomena connected to sugars caramelization and Maillard reactions. In technological conditions, the effectiveness of starch grains extraction from cellular structures can be assessed macro- scopically; however, it is not easy to gain information about the intensity of the phenomena mentioned above. Our experiments led to the conclusion that the raw spirits obtained from raw materials, subject to intensive thermal processing, contain pyrazine compounds such as 2,5-dimethylpyrazine and 2,3,5,6-tetramethyl- pyrazine. These compounds were not observed in the spirits prepared in the optimized pressure-thermal process. Optimization of the steaming process can limit losses in ethanol yield up to 0.85 dmYlOO kg of raw material. It also significantly increases the quality of raw spirit through lowering of acetaldehyde and organic acids concentrations. Our data suggest that determination of pyrazine compounds in raw spirits can be used as a sensitive indicator in the validation of pressure-thermal processing starchy plants raw materials used for ethanol production.

Relation:

Biotechnologia, vol.88, 1 (2010)-.

Volume:

88

Issue:

1

Start page:

147

End page:

160

Detailed Resource Type:

Artykuł

Format:

application/pdf

Resource Identifier:

0860-7796 ; oai:rcin.org.pl:71751 ; IChB B-83

Source:

Biblioteka Instytutu Chemii Bioorganicznej PAN

Language:

pol

Language of abstract:

eng

Temporal coverage:

2010

Rights:

Licencja Creative Commons Uznanie autorstwa-Na tych samych warunkach 4.0

Terms of use:

-

Digitizing institution:

Instytut Chemii Bioorganiczneji Polskiej Akademii Nauk

Original in:

Instytut Chemii Bioorganiczneji Polskiej Akademii Nauk

Projects co-financed by:

Program Operacyjny Polska Cyfrowa, lata 2014-2020, Działanie 2.3 : Cyfrowa dostępność i użyteczność sektora publicznego; środki z Europejskiego Funduszu Rozwoju Regionalnego oraz współfinansowania krajowego z budżetu państwa

Access:

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