May is the month when we start picking cornflowers, cornflowers are harvested during sunny weather and only those fully bloomed with yellow malty powder on the slopes of the Kopaonik National Park. Sorrel syrup is a traditional drink of our ancestors. Apart from the fact that the mixture of syrup and water produces a delicious juice, it is also very medicinal. Zova flowers are extremely rich in glucose, tannins, flavonoids, carotenes, rutin and vitamin C. Zova berries contain alkaloids, carotenes, tannins, organic acids and vitamins A, B and C, strengthen immunity, in addition, zova has antiviral and antimicrobial effects. Use in dilution with water in a ratio of 1:6.