Lemon liqueur proof neutral spirits to extract from it the lemon oil (an essential oil). The extraction is then diluted with simple syrup. Different varieties of lemon are used to produce different flavors. The variety of lemon used is usually dictated by region. Various alcohols can be used to give distinct flavors. A higher proof alcohol maximizes extraction of the lemon flavor, whereas darker alcohols add complexity of flavor. Many commercial brands of lemon liqueur are produced in Italy, in several styles (see Italian liqueur). In Italy, especially in Campania, lemon liqueur is consumed as a chaser ("ammazzacaffè") to coffee. Lemon liqueur
Maple liqueur determined by its colour, clarity, density, and how strong the maple flavour is. As the sap harvesting season progresses, the maple syrup that is produced becomes darker and more caramel in colour. These darker syrups also tend to have the most intense maple flavour, compared to the lighter taste one would get from syrup produced early in the season. Darker syrups create a more intense maple flavour in the liqueur as well and because of this are often preferred when producing maple liqueur. The darker the syrup that is used, the more intense and full bodied the resulting liqueur will