The Effects of 1-Methyl Cyclopropene on the Physicochemical Properties of Tomato (Rapsona Cultivar)

Subject Areas : Microbiology

سمیه سادات Mehrzad ^{1 *} , علی Mohamadi Sani ²

1 - دانشگاه آزاد اسلامی، واحد قوچان، باشگاه پژوهشگران جوان و نخبگان، قوچان، ایران
2 - دانشیار گروه علوم و صنایع غذایی، واحد قوچان، دانشگاه آزاد اسلامی، قوچان، ایران

Received: 2014-01-14 Accepted : 2014-07-15 Published : 2015-09-23

Keywords: 1-MCP, Physicochemical Properties, tomato, waste,

Abstract :

Introduction: Tomato is an important economical vegetable crop in Iran. Approximately30% of the crop is lost during the harvest to consumption chain. The high generation ofethylene production in tomato is the main reason. In this study we investigate and evaluate theeffect of different concentrations of MCP on the physicochemical properties of this popularvegetable product.Materials and Methods: The Respona cultivator was selected from a farm in the city ofAsadabad. Tomatoes were collected at the point of colour change. Tomatoes were treated with1-MCP at different concentrations (0.35, 0.70, 1.00 and 1.35 ) for the period of 12 and 24hours and during storage for 4 weeks at 12± 2 with relative humidity of 85-90% wereexamined for total soluble solid, total acidity, colour and ethylene concentration. Thisexamination was carried out in a completely randomized design in triplicate order. Thestatistical analyses were carried out using SPSS software.Results: The results indicated that 1-MCP had significant effect (p<0.05) on the total solublesolid percent, acidity, colour and ethylene concentration. 1-MCP solution at concentrations of1.0 and 1.351l/l had the highest effect in the prevention of increased Brix of tomatoes.Ethylene concentration was decreased for all the samples as compared to the control andreductions were proportional to the increased concentrations of 1-MCP. 1-MCP also causeddecreases in the acidity and colour.Conclusion: The results showed the significant effect of MCP (p<0.05) on the soluble solids,acidity, color and accumulation of ethylene concentration.

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