The product is offered in kits consisting of a base obtained from concentration of orange / lemon / mandarin juice, preserved with a solution of sucrose and glucose with addition of citric acid, and a vial containing natural terpeneless orange / lemon / mandarin oil, preserved with pure alcohol. Recommended dosage: add 35 g of the juice to the base mix, depending on the desired degree of sourness. Complete by adding about 20 drops from the aroma vial, to give a more or less intense aroma.