Comparison of chemical composition of fresh and frozen fruit of selected strawberry cultivars
Skupien, K. | Jakubowska, B.(Akademia Rolnicza, Szczecin (Poland). Katedra Technologii Rolnej i Przechowalnictwa)
The aim of the study was to determine the content of dry weight, soluble solids, titratable acidity, total sugar, saccharose, vitamin C and phenolics in fresh and frozen fruit (after 4 and 8 months of cold storage) of six strawberry cultivars: Pandora, Elsanta, Senga Sengana, Vicoda, Marmolada and Kent. Statistical estimation showed significant differences both between cultivars and between storage periods for the all chemical parametres. Senga Sengana fruit had significantly higher total acidity, Marmolada fruit significantly higher saccharose and Kent significantly higher total sugar level when compared to other cultivars. During the first 4 months of storage significant decrease was observed both in vitamin C and phenolics content. Significantly higher dry weight, soluble solids and total sugar content was found after 8 months of storage when compared to fresh fruit and after 4 months of storage. Significant correlation between two variables (cultivar x storage time) displays that constituent content in fruit of particular cultivars changed differently during cold storage
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