Fernanda de Oliveira Bottino , Bruna Leal Rodrigues , Joanna Damazio de Nunes Ribeiro , César Aquiles Lázaro , Carlos Adam Conte-Junior
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引用次数: 6
摘要
巨象鱼(Colossoma macropomum x Piaractus mesopotamicus, CP)是巴西最具商业价值的淡水鱼。CP鱼片是极易变质的食品,UV-C保鲜技术可以提高食品安全性,延长保质期。鱼片样品在UV-C (55.83mJ/cm2)下提交,并在6天内检测中温和精神营养计数和生物胺。UV-C抑制固定期细菌生长和菌落数量;还会增加尸胺,腐胺和组胺的含量。结果表明,UV-C使CP鱼片的保质期延长了至少50%。
Effect of UV-C Radiation on Shelf life of Vacuum Package Colossoma Macropomum x Piaractus Mesopotamicus Fillets
Colossoma macropomum x Piaractus mesopotamicus (CP) is a freshwater fish with greatest commercial importance in Brazil. Fillets of CP are highly perishable food and preservation technology with UV-C could improve food safety and extend shelf life. Fillet samples were submitted at UV-C (55.83mJ/cm2) and examined for mesophilic and psychrotrophic count and biogenic amines over 6 days. UV-C reduced the bacterial growth and number of colonies in the stationary phase; also increase the levels of cadaverine, putrescine and histamine. The results suggest that UV-C enhanced the shelf-life of CP fillets by at least 50%.