Evaluation of 2-alkylcyclobutanones in irradiated cured pork products during vacuum-packed storage.
The 2-Alkylcyclobutanones (2-ACBs) content was determined in three Italian cured pork products (salame Milano, coppa, and pancetta) irradiated at different targeted irradiation doses (2, 5, and 8 kGy) during vacuum-packed storage. Among 2-ACBs, three different compounds were investigated, namely, 2-dodecylcyclobutanone, 2-tetradecylcyclobutanone, and 2-(tetradec-5'-enyl)cyclobutanone. 2-ACBs were absent from the nonirradiated samples, whereas their content increased with irradiation dose. Their presence was recorded occasionally at 2 kGy and constantly at higher irradiation doses (5 and 8 kGy). The plot of 2-ACBs content against targeted irradiation doses showed an exponential relationship. The effect of vacuum-packed storage time on the 2-ACBs content was dependent on the irradiation dose. During vacuum-packed storage for up to 60 days, the 2-ACBs content remained unchanged in the cured pork products irradiated at 2 and 5 kGy, whereas a significant increase was observed in the pork products irradiated at 8 kGy.
Zanardi
Emanuela
E
Dipartimento di Produzioni Animali, Biotecnologie Veterinarie, Qualità e Sicurezza degli Alimenti, Università degli Studi di Parma, Via del Taglio, 8, I-43100 Parma, Italy. emanuela.zanardi@unipr.it
Battaglia
Alessandra
A
Ghidini
Sergio
S
Conter
Mauro
M
Badiani
Anna
A
Ianieri
Adriana
A
D000818:Animals; D003503:Cyclobutanes / Q000032:analysis*; D005514:Food Irradiation; D005519:Food Preservation / Q000379:methods*; D008461:Meat Products / Q000032:analysis*; D013552:Swine; D014618:Vacuum
C467423:2-tetradec-5'-enylcyclobutanone; D003503:Cyclobutanes; C485436:2-tetradecylcyclobutanone; C063381:2-dodecylcyclobutanone