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2011•Journal of Nuclear Agricultural SciencesRequires access

POSSIBILITY OF IRRADIATION DEGRADATION OF FENPROPATHRIN AND DELTAMETHRIN IN GREEN TEA

Yifang Hu, Wan Xiaochun, Ruyan Hou, Zhang Haiwei, Xiuxia Zhao, Wang Xiaohui

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Abstract

The effects of 60Co γ irradiation and green tea manufacturing processing on degradation of Fenpropathrin and Deltamethrin in green tea during its manufacturing processing were studied.The two pesticides were sprayed onto the tea bushes and fresh tea leaves were picked at the same day,respectively.Half of the fresh leaves were processed into green tea.The fresh tea leaves and green tea were irradiated at 5kGy and the Fenpropathrin in fresh tea degraded 7.3% after irradiation,while Deltamethrin degraded 14.7%.In green tea,Fenpropathrin and Deltamethrin degraded 2.2% and 12.1% respectively after irradiation.Green tea manufacturing processes could reduce 16.4% of Fenpropathrin,and 4.4% of Deltamethrin.

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What this paper is about

The effects of 60Co γ irradiation and green tea manufacturing processing on degradation of Fenpropathrin and Deltamethrin in green tea during its manufacturing processing were studied.The two pesticides were sprayed onto the tea bushes and fresh tea leaves were picked at the same day,respectively.Half of the fresh leaves were processed into green tea.The fresh tea leaves and green tea were irradiated at 5kGy and the Fenpropathrin in fresh tea degraded 7.3% after irradiation,while Deltamethrin degraded 14.7%.In green tea,Fenpropathrin and Deltamethrin degraded 2.2% and 12.1% respectively after irradiation.Green tea manufacturing processes could reduce 16.4% of Fenpropathrin,and 4.4% of Deltamethrin.

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Available abstract

The effects of 60Co γ irradiation and green tea manufacturing processing on degradation of Fenpropathrin and Deltamethrin in green tea during its manufacturing processing were studied.The two pesticides were sprayed onto the tea bushes and fresh tea leaves were picked at the same day,respectively.Half of the fresh leaves were processed into green tea.The fresh tea leaves and green tea were irradiated at 5kGy and the Fenpropathrin in fresh tea degraded 7.3% after irradiation,while Deltamethrin degraded 14.7%.In green tea,Fenpropathrin and Deltamethrin degraded 2.2% and 12.1% respectively after irradiation.Green tea manufacturing processes could reduce 16.4% of Fenpropathrin,and 4.4% of Deltamethrin.

Key concepts: Deltamethrin, Green tea, Chemistry, Irradiation, Food science, Pesticide, Degradation (telecommunications), Horticulture

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POSSIBILITY OF IRRADIATION DEGRADATION OF FENPROPATHRIN AND DELTAMETHRIN IN GREEN TEA — Research Paper | ScholarLens