Machine for jam/marmalade The history of jam, marmalade and other preserves begins with the history of food preservation. After all, it was only a few centuries ago that that exact expertise was created making it possible to store foods over long periods of time. The history of preserving food takes its start in the Paleolithic period 2,6 million years ago known as the stone age. Back when people started to preserve food which could make survival easier during times of scarcity. Short history on jam/marmalade Marmalade is a fruit preserve made from fruit, peel and berries boiled with sugar and water. Compared with jam a large quantity of water is added to the fruit in marmalade, the extra liquid being set by the high pectin content of the fruit. Marmalade often contains more sugar than jam. The history of Jam and marmalade dates to the ancient Greeks who used honey to preserve quinces. Why choose process equipment from Limitech Limitech’s Cooqer line is specially developed for the jam/marmalade industry. The Cooqer line consist of Cooqer 1, Cooqer 2 and Cooqer 3, which all can be found on our product site here. Two of the cooqers are laydown cooqers. The choice of cooqer depends on your process and needs. Limitech can here guide you to what is most beneficial for you.