A growth kinetics model of specific spoilage organisms was developed and tested for predicting the freshness quality and remaining shelf life of cultured Pseudosciaena crocea stored aerobically at low temperature.
This paper briefly reviewed the aspects of microbiological research relevant to the spoilage of food and introduced the concept of specific spoilage organisms (SSO).
on naturally contaminated cultured Tilapia stored at 0℃,5℃,10℃ and 15℃,a growth kinetics model of Specific Spoilage Organisms(SSO) Pseudomonas spp. at(0~15℃) was set up. With the help of Visual Basic,quality monitoring and remaining shelf life prediction expert system was developed for circulating fresh product of Tilapia in chill chain.
以自然污染养殖罗非鱼贮藏在0℃、5℃、10℃、15℃过程中的特定腐败菌-假单胞菌生长动态数据,建立假单胞菌在0~15℃温度范围的生长动力学模型,选用V isual B asic为程序编写工具,建立了用于罗非鱼冷却链鲜品流通品质监控和剩余货架期预测的专家系统(FSLP)。
as special spoilage organisms of tilapia stored at 0-15℃. At the end of shelf life, the average number of Pseudomonas spp. was 7.70±0.11 log 10cfu·g~ -1 at temperatures 0,5,10 and 15 ℃.
The approach of SSO growth kinetics model by using experimental data on naturally contaminated fish,effectively solved the difficulty in predicting the microbial growth at the kinetic temperatures and enhanced the accuracy and practicability of the system.
At the point of sensory rejection, the dominant organisms were found to be Pseudomonas regardless of the storage temperatures. The treatment of Ozonated water extended the shelf life of oysters by 2 days.
The microbiological quality change characteristic, high quality life and shelf life of tilapia stored aerobically at 0, 5, 10 and 15℃ were studied in order to investigate its chilled chain distribution feasibility. At the same time, the correlation between the numbers of Pseudomonas spp (special spoilage organisms of cultured freshwater fish stored aerobically at 0~15℃), the total aerobic counts, VBN, and sensory freshness were also discussed in this paper.
This paper briefly reviewed the aspects of microbiological research relevant to the spoilage of food and introduced the concept of specific spoilage organisms (SSO).
Fish evaluations for 12 days of storage in ice included sensory (EU and the QIM scheme), physical (Torrymeter and Freshmeter) and microbiological changes [counts of total bacterial numbers, specific spoilage organisms (SSO) and Pseudomonas].
Specific spoilage organisms in breweries and laboratory media for their detection.
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Predictive microbiology aims to summarize the probable behavior of predominant spoilage bacteria and the spoilage processes in food. The quantitative knowledge obtained in this field provides a sound basis for the development of devices with which the loss of food shelf life was monitored during storage time. To predict shelf life accurately, it is necessary to consider the microbial ecology of the food system. This paper briefly reviewed the aspects of microbiological research relevant to the spoilage of f...
The microbiological quality change characteristic, high quality life and shelf life of tilapia stored aerobically at 0, 5, 10 and 15℃ were studied in order to investigate its chilled chain distribution feasibility. At the same time, the correlation between the numbers of Pseudomonas spp (special spoilage organisms of cultured freshwater fish stored aerobically at 0~15℃), the total aerobic counts, VBN, and sensory freshness were also discussed in this paper. The results showed that tilapia is a species of fr...
A series of experiments had been carried out to develop and validate the growth kinetics model of specific spoilage organisms for predicting the microbial quality and remaining shelf life of cultured tilapia stored aerobically in cold temperature. The results from microbiological behaviors analysis, organoleptical quality and TVBN evaluation identified Pseudomonas spp. as special spoilage organisms of tilapia stored at 0-15℃. At the end of shelf life, the average number of Pseudomonas spp. was 7.70±0.11 log...