Chemical changes in virgin olive oils as a function of ...
The stone mill is still the most common way of crushing olives in the south of France even if only small scale mills can use it due to the longer time of grinding compared to more modern crushers ().In the mill of this study the two granite stones used to grind the olives were 23. cm wide and turned at 17 rpm.. The maximum charge at one time was 250 kg of olive and the …