Abstract
In this study, the effects of storage conditions on sun-dried tomatoes have been investigated. Sun-dried tomatoes (cv.Rio Grande) treated with either NaCl (67%) or Na-meta bisulphite (4000-5000 ppm) was used as plant material. Sun-dried tomatoes were placed in glass jars (500 ml) in different atmospheres (air, 97% N2+3% O2 and 11% N2+3% O2 +86% CO2) with or without an oxygen absorber. Half of sundried tomatoes were kept in cold storage (4±1 oC) and the other half in normal storage conditions for 10 months. Samples were taken at the beginning, 5th month and end of storage period, and the quality and spoilage of the samples were examined. Visible colour, alcohol extractable colour, titratable acidity, TSS and moisture content were determined as quality parameters. The results showed that modified atmospheres (N2, CO2) and Ageless oxygen absorber preserved the colour and quality of sun-dried tomatoes. Especially in room conditions, Ageless oxygen absorber was found to be effective in both types of products (treated with either NaCl or Na-meta bisulphite).
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