2006•Journal of Nuclear Agricultural SciencesRequires access

INHIBITION EFFECT OF RADIATION ON PPO'S ACTIVITY IN PEAR JUICE

Hong Wang

Abstract

The activities of PPO in pear juice were measured when it received different dosage of()~(60)Co γ-rays irradiation,different pH,and the combination of radiation and pH condition.The results showed that,radiation treatment and decreasing the pH value can inhibit the PPO's activity.Combination treatment of 3kGy γ-irradiation and pH 3.1 can lower the activity of PPO about 92%.

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Key concepts: PEAR, Chemistry, Irradiation, Food science, Radiation, Radiation effect, Browning, Botany