Sugar and organic acid contents of vegetables consumed in Finland during 1988-1989
1992
Haila, K. | Kumpulainen, J. | Hakkinen, U. | Tahvonen, R.
Vegetables of domestic and foreign origin were obtained from large wholesale outlets in Southern and Central Finland in 1988-1989 and then analyzed for sugars and major organic acids simultaneously, by gas chromatography. The results showed great variation in the sugar and organic acid contents of the vegetable samples. The sugar and organic acid contents of tomato and Chinese cabbage differed significantly (P < 0.05) between samples collected during different seasons. The malic acid content of cauliflower and the sugar contents of onion were significantly (P < 0.05) different between samples in different seasons. Average sugar concentrations of vegetables available in Finland were often lower than those reported in both the literature and the current food composition tables.
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