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Summary: Oil from the seed of seven Brassicaceae species, Sinapis alba (yellow mustard), Camelina sativa (false flax), Brassica carinata (Ethiopian mustard), B. napus (rapeseed), B. juncea (oriental mustard), B. rapa (field mustard), and S. arvensis (wild mustard), were recovered by cold pressing and filtration without further refining. The physical, chemical, and lubricant properties of the oils were determined.