When studying the vitamin C content of dill greens, a dependence on the variety and a decrease in the vitamin C content depending on storage conditions were found.
when analyzing the content of vitamin C, sugars and provitamin A in the root tubers of sweet potatoes grown in the Ussuri urban district of Primorsky Krai, a dependence of the amount of provitamin A in the product on the variety is found, the content of sugars and vitamin C is approximately the same