农业工程学报2011，Vol.27Issue(2)：376-381,6.DOI:10.3969/j.issn.1002-6819.2011.02.064
伽马辐照对冰藏大黄鱼品质和货架期的影响
Effects of gamma irradiation on quality and shelf life of iced Pseudosciaena crocea
摘要
Abstract
To explore the preservation effect of gamma irradiation on ice-storaged fish, the influence of gamma irradiation (1 kGy and 2 kGy) on quality and shelf life of iced Pseudosciaena crocea was discussed by analyzing the microbiological, biochemical and organoleptic changes occurring in fish samples. The results showed that the numbers of total viable counts, Pseudomonas spp. and H2S-producing bacteria significantly decreased after irradiation; during storage the bacteria numbers of Pseudosciaena crocea treated with irradiation were always less than the control simples;the concentrations of total volatile basic nitrogen and trimethylamine were conspicuously reduced by irradiation,whereas lipid oxidation was accelerated. At the end of storage the smell of lipid rancidity could be smelled for fish treated with 2 kGy dose, but that smell could not be smelled for 1 kGy and control simples. The shelf life could be remarkably prolonged by irradiation, and compared to a shelf life of 17 days for non-irradiated samples, the shelf life of Pseudosciaena crocea treated with 1 kGy and 2 kGy were extended to 30 days and 26 days, respectively. The work can provide technical references for commercial application of irradiation.关键词
辐照/伽马射线/质量控制/大黄鱼/货架期/保鲜Key words
irradiation/ gamma rays/ quality control/ Pseudosciaena crocea/ shelf life/ preservation分类
农业科技引用本文复制引用
杨宪时,姜兴为,李学英,郭全友,蒋慧亮..伽马辐照对冰藏大黄鱼品质和货架期的影响[J].农业工程学报,2011,27(2):376-381,6.基金项目
国家自然科学基金项目(30771675) （30771675）
科技部农业科技成果转化资金项目(2007GB23260281) （2007GB23260281）
中央级公益性科研院所基本科研业务费专项资金(2007M05) （2007M05）
