Grape syrup is a condiment made with concentrated grape juice. Leaving these cells immersed in grape juice resulted in active alcoholic fermentation. Wine was also sweetened by the addition of grape juice syrup. Charles promoted the sale and consumption of grape juice. Replicas filled with citric acid or grape juice have been shown to produce a voltage. The liquid consumed is typically wine or grape juice. Hot filling is traditionally used to package grape juice. The national beverage is arak, a strong anise-flavored liquor made from fermented grape juice. The "Kiddush" is a blessing recited over wine or grape juice to sanctify the Shabbat. A mead that is fermented with grape juice is called a "pyment". Unleavened bread and unfermented (non-alcoholic) grape juice is used. As the temperance movement grew, so did the popularity of grape juice. They then had to drink a glass of grape juice to receive the next clue. Much grape juice is produced in this region. Grape juice allowed to ferment produces wine.