I need to eliminate the fat fraction in order to obtain a better product in the next stage of bioactive extraction. By processing the mustard seeds as they are, I obtain a sub-optimal result in terms of titre
Hexane extraction of the oil works for most botanicals. All though I do not know the process, the oil can be reisolated through other processes, …well known in the foods processing businesses.
Another method is to crush and press. And, one can try centrifugation of crushed material - Good for oils, but not fats.