Effect of 60Co-γ Irradiation on Sterilization and Quality of Chicken Paws

doi:10.7506/spkx1002-6300-200921007

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (21 ): 36-38.doi: 10.7506/spkx1002-6300-200921007

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Effect of 60Co-γ Irradiation on Sterilization and Quality of Chicken Paws

GAO Peng1，WANG Yan1，HUANG Min1，CHEN Hao1，SUN Qun2,*

(1. Sichuan Institute of Atomic Energy, Chengdu 610066, China；2. College of Life Sciences, Sichuan University, Chengdu
610064, China)

Received:2009-06-16 Online:2009-11-01 Published:2010-12-29
Contact: SUN Qun2,* E-mail:qunsun@scu.edu.cn

Abstract

Abstract:

Total amount of bacteria, amount of coliform bacteria, amount of pathogenetic bacteria and TBARS value of softcanned chicken paws irradiated with different doses of 60Co-γ were measured at intervals of 20 d up to 60 d of storage. Results showed that the total amount of bacteria in 60Co-γ-treated chicken paws was much lower than that in untreated chicken paws, and 6 kGy dose-treated chicken paws stored for 60 d revealed a value of 155 CFU/g, lower than limit value of relevant Chinese national standard. No coliform bacteria, Staphylococcus aureus, Shigella, Salmonella were detected. The TBARS value was kept at lower levels and no significant increase was observed over the whole storage period. Accordingly, 60Co-γ irradiation can effectively inactivate microorganisms and prolong sheflife of chicken paws.

Key words: irradiation, chicken paws, sterilization, quality

CLC Number:

TS251

GAO Peng1，WANG Yan1，HUANG Min1，CHEN Hao1，SUN Qun2,*. Effect of 60Co-γ Irradiation on Sterilization and Quality of Chicken Paws[J]. FOOD SCIENCE, 2009, 30(21 ): 36-38.

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Effect of 60Co-γ Irradiation on Sterilization and Quality of Chicken Paws

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