Microbiological and chemical properties of Bonito Fish (Sarda sarda) fillets packaged with chitosan film, modified atmosphere and vacuum

A study was undertaken to determine the effect of chitosan film or vacuum and modified atmosphere (MA) (100% CO2) packing on microbial (psychrotorophic, mesophilic aerobic, lactic acid bacteria, Enterobacteriaceae and Pseudomonas counts) and chemical [(pH, total volatile bases nitrogen (TVB-N) and l...

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Veröffentlicht in:	Veteriner fakultesi dergisi 2010-06, Vol.16, p.73-80
Hauptverfasser:	Alak, G., Atatürk University, Faculty of Agriculture, Erzurum (Turkey). Div. of Fisheries, Hisar, Ş.A., Atatürk University, Faculty of Agriculture, Erzurum (Turkey). Div. of Fisheries, Hisar, O., Atatürk University, Faculty of Agriculture, Erzurum (Turkey). Div. of Fisheries, Kaban, G., Atatürk University, Faculty of Agriculture, Erzurum (Turkey). Div. of Food Engineering, Kaya, M., Atatürk University, Faculty of Agriculture, Erzurum (Turkey). Div. of Food Engineering
Format:	Artikel
Sprache:	eng
Schlagworte:	ALMACENAMIENTO ATMOSFERA CONTROLADA ANTIMICROBIALS ANTIMICROBIANOS ANTIMICROBIEN APTITUD PARA LA CONSERVACION APTITUDE A LA CONSERVATION CHITOSAN CHITOSANE CONDITIONNEMENT CONTROLLED ATMOSPHERE STORAGE EMBALAJE EN VACIO EMBALLAGE SOUS-VIDE EMPAQUETADO FISH http://www.fao.org/aos/agrovoc#c_15903 http://www.fao.org/aos/agrovoc#c_16008 http://www.fao.org/aos/agrovoc#c_1842 http://www.fao.org/aos/agrovoc#c_28288 http://www.fao.org/aos/agrovoc#c_4082 http://www.fao.org/aos/agrovoc#c_44751 http://www.fao.org/aos/agrovoc#c_509 http://www.fao.org/aos/agrovoc#c_5495 http://www.fao.org/aos/agrovoc#c_8013 http://www.fao.org/aos/agrovoc#c_8141 KEEPING QUALITY MATERIALES DE EMPAQUE MATERIAU DE CONDITIONNEMENT PACKAGING PACKAGING MATERIALS PESCADO POISSON (ALIMENT) QUITOSANO SARDA SARDA STOCKAGE EN ATMOSPHERE CONTROLEE TURKEY TURQUIA TURQUIE VACUUM PACKAGING
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Zusammenfassung:	A study was undertaken to determine the effect of chitosan film or vacuum and modified atmosphere (MA) (100% CO2) packing on microbial (psychrotorophic, mesophilic aerobic, lactic acid bacteria, Enterobacteriaceae and Pseudomonas counts) and chemical [(pH, total volatile bases nitrogen (TVB-N) and lipid oxidation (TBARS)] properties of Atlantic bonito (Sarda sarda) fillets stored at 4±1°C for 15 days. Growth of aerobic bacteria in fillet packaged with chitosan film was slower than in the fillets of control and vacuum groups during storage. Chitosan group had the lowest average pH value among the treatments. However, over-wrap of the fish fillets with chitosan film did not significantly retard the increase in the TVB-N content and TBARS values. In conclusion, it can be advised that chitosan film is suitable for extending the self life with strong antimicrobial effect. Bu çalışma kitosan kaplamanın veya modifiye atmosfer ve vakum ambalajlamanın 4±1°C'de 15 gün boyunca depolanan palamut balığı (Sarda sarda) filetolarının mikrobiyolojik (psikrotrofik, mezofilik aerobik, laktik asit, Enterobacteriaceae ve Pseudomonas bakterileri sayıları) ve kimyasal (pH, TVB-N ve TBARS) parametreleri üzerine etkilerini belirlemek amacıyla yapılmıştır. Kitosan film ile paketlenmiş filetolarda aerobik bakterilerin gelişimi, kontrol ve vakum gruplarına göre daha yavaş olduğu bulunmuştur. Tüm muamele grupları içerisinde en düşük pH değeri kitosan ile kaplı numunelerde belirlenmiştir. Buna rağmen kitosan ile kaplı filetolarda; TVB-N ve TBARS değerlerindeki değişimin önemli oranda yavaşlamadığı bulunmuştur. Sonuç olarak, kitosan film güçlü antimikrobiyal etkisinden dolayı raf ömrünün uzatılmasında kullanılabilir.
ISSN:	1309-2251 1309-2251