Study on optimization of pulsed light sterilization conditions of E.coli from dry bean curd using response surface methodology

WANG Xin-yao; MA Tao; WANG Bo; LIU He; HE Yu-tang; HUI Li-juan

doi:10.13386/j.issn1002-0306.2014.18.060

WANG Xin-yao, MA Tao, WANG Bo, LIU He, HE Yu-tang, HUI Li-juan. Study on optimization of pulsed light sterilization conditions of E.coli from dry bean curd using response surface methodology[J]. Science and Technology of Food Industry, 2014, (18): 306-309. DOI: 10.13386/j.issn1002-0306.2014.18.060

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Study on optimization of pulsed light sterilization conditions of E.coli from dry bean curd using response surface methodology

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Response surface methodology was used to analyze factors which influence the effect of E.coli sterilization using pulsed light on dry bean curd. The effect of sterilization in E.coli was irradiation time>pulsed light energy>irradiation distance. The optimum conditions obtained were as follows:pulsed light energy 300 J, irradiation distance 10 cm and irradiation time 15 s. The sterilization rate could reach 98.29% under these conditions.

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Study on optimization of pulsed light sterilization conditions of E.coli from dry bean curd using response surface methodology

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