CHANGES IN THE CONTENT OF VITAMIN C IN POTATO TUBERS DEPENDING ON VARIETY

摘要

At work we watched on the basis of cultivar dependence to changes in the content of vitamin C in potato tubers harvested in field conditions in the locality – Matejovce. The concentration of ascorbic acid we set in 6 varieties of potato tubers (Arlet, Spinela, Malvína, Megan, Svella, Timea) with different maturing period. We showed a significant correlation between early and medium early potato varieties. In a sampling of potatoes is determined by the average content of vitamin C ranged from 2.60 to 8.21 mg. 100 g-1 fresh matter, while the maximum level reported medium early variety Arlet. The content of vitamin C decreased in the following order: Spinela (8.10 mg.100 g-1 fresh matter) > Megan (4.47 mg.100 g-1 fresh matter) >Timea (4.15 mg.100 g-1 fresh matter) >Malvína (2.82 mg.100 g-1 fresh matter) Svella> (2.60 mg.100 g-1 fresh matter).