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Influence of postharvest temperatures on physicochemical quality of tomatoes (Lycopersicon esculentum Mill. (CROSBI ID 157309)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Žnidarčič, Dragan ; Ban, Dean ; Oplanić, Milan ; Karić, Lutvija ; Požrl, Tomaž Influence of postharvest temperatures on physicochemical quality of tomatoes (Lycopersicon esculentum Mill. // International journal of food, agriculture and environment, 8 (2010), 1; 21-25

Podaci o odgovornosti

Žnidarčič, Dragan ; Ban, Dean ; Oplanić, Milan ; Karić, Lutvija ; Požrl, Tomaž

engleski

Influence of postharvest temperatures on physicochemical quality of tomatoes (Lycopersicon esculentum Mill.

Tomato fruits (cv. Belle) were harvested at the middle-red ripe stage and exposed at 5oC and 10oC for up to 28 days. Weight loss percentage was faster for fruits held at 10oC compared to 5oC. While the weight lost during storage at 10oC was 18.7%, fruits at 5oC over the same period showed a 9.6% loss. There were only slight changes in soluble solids and titratable acids content during the storage period studied. Although soluble solids increased slightly over the storage period, there were no significant differences between the two temperatures. The titratable acidity, expressed as citric acid, tended to be lower at 5oC, with a significant difference observed only on Day 14 of storage. Total reduction of initial vitamin C content was 3.5 mg/100 g (at the 5oC) and 2.5 mg/100 g (at the 10oC). The results showed that lower temperature did not significantly reduce vitamin C content in comparison with higher temperature, with the exception on Day 7 of storage. At both temperatures and at every stage of storage time pericarp firmness decreased as storage time increased. The decrease in firmness was delayed by the lower temperature. The colour development (value a) of skin increased with increasing storage duration at both temperatures, but there were no differences among temperatures.

Lycopersicon esculentum Mill.; temperature; storage; physicochemical quality

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Podaci o izdanju

8 (1)

2010.

21-25

objavljeno

1459-0255

Povezanost rada

Poljoprivreda (agronomija)

Indeksiranost