Title :
Freshness Changes and Shelf Life Prediction of Cultured Tilapia (Oreochromis Niloticus ) During Chilled Storage
Author :
Guo, Q.Y. ; Wang, X. Ch ; Yang, X. Sh ; Xu, Z. ; Gu, M. ; Li, X.Y.
Author_Institution :
East China Sea Fisheries Res. Inst., Chinese Acad. of Fishery Sci., Shanghai, China
Abstract :
In this study, freshness changes and shelf life prediction of cultured tilapia (Oreochromis niloticus) stored at 0, 5 and 10°C were investigated. Total viable counts (TVC), the count of Pseudomonas spp. and total volatile basic nitrogen(TVB-N) in newly-caught tilapia were determined as 4.79±0.60 log cfu/g, 4.00±0.75 log cfu/g and 8.08±0.46 mg/100 g, respectively. At the end of shelf life, TVC, the counts of Pseudomonas spp. and TVB-N increased to 8.08±0.26 log cfu/g, 7.66±0.10 log cfu/g, and 20.1±1.66 mg/100g, respectively, which were utilized to develop exponential spoilage shelf life model. RRS model of shelf life was developed by the shelf life at 0, 5 and 10°C, its accuracy factor and bias factor were from 1.06 and 1.01, indicating the model was useful to effectively predict the shelf life of chilled Tilapia at the range of 0 and 10°C.
Keywords :
aquaculture; cold storage; food preservation; microorganisms; quality control; Oreochromis niloticus; Pseudomonas spp; chilled storage; cultured Tilapia; fish freshness; shelf life prediction; spoilage; temperature 0 degC; temperature 10 degC; temperature 5 degC; Marine animals; Mathematical model; Microorganisms; Ocean temperature; Strain; Temperature; Temperature sensors;
Conference_Titel :
Intelligent Computation Technology and Automation (ICICTA), 2011 International Conference on
Conference_Location :
Shenzhen, Guangdong
Print_ISBN :
978-1-61284-289-9
DOI :
10.1109/ICICTA.2011.313
