Our series #isolationbaking is back with a note from the Ordem dos Farmacêuticos. Arquivo, the archive of the Portuguese pharmaceutical guild, on how to prepare a compound containing citric acid, lemon zest, and sugar (probably very helpful for digestion). The handwriting suggests that it was prepared by a doctor, as it is basically unreadable – here is the link to the original document, any help with deciphering would be highly appreciated!