Chartreuse (liqueur) was not a secret but well known. At the death of the pharmacist, his heirs returned the manuscript to the monks who had been back at the Monastery since 1816. In 1838, they developed Yellow Chartreuse, a sweeter version of the Green Chartreuse, 40% alcohol liqueur (80° proof). The monks were again expelled from the monastery following a French law in 1903, and their real property, including the distillery, was confiscated by the government. The monks took their secret recipe to their refuge in Tarragona, Catalonia, and began producing their liqueurs with the same label, but with an additional label
Navan liqueur 2010, the Lapostolle family ceased making Navan. After repackaging and tweaking the formula, Navan did not sell the way the family had hoped. When creating Navan, more than 150 eaux-de-vie from 500 distilleries are blended. Natural vanilla from Madagascar is flown to France where it is blended with fine French cognac that has been aged for up to 10 years. Once blended, Navan ages an additional six months. Navan liqueur Navan (nah-váhn), is a vanilla liqueur produced by the House of Grand Marnier. Navan's name stands for "Natural Vanilla". The vanilla beans are imported from Madagascar. Alexandra Marnier Lapostolle, current