through heat, harmful decomposition products can arise. Furthermore, cold-pressed
oils turn rancid very easily and thus they have a low shelf-life [KRIST et al., 2008].
An example for cold pressing is the decentralised production of cold pressed vegetable
oil, which creates useful animal feed in form of press cakes. This kind of pressing is
usually used for oil fruits like olives. Low investment costs and low logistical expenses
are advantageous. Also short local transportation distances and stimulation of local
economy are an advantage. The energy consumption with 80 kWh/t seed is relatively
low (six times lower than for industrial extraction). The press cakes have a higher feed
value (12 until 17% oil content) and chemical solvents or thermal conditions of the
seeds are not used [FERCHAU, 2000].