Seeds of oilseed rape (Brassica napus L.) varieties Adriana, fiber flax (Linum usitatissimum L.) varieties Luna, hemp (Cannabis sativa L.) varieties Beniko, blue poppy (Papaver somniferum L.) varieties Major, garden cress (Lepidium sativum L.), fennelflower (Nigella sativa L.) were analyzed for fat content and cold-pressed (room temp.) to det. the oil extn. efficiency. The oils were characterized by acid no., peroxide value and oxidative stability. All the seeds (except for cress) had a similar fat content to 30-40%. The oils met the quality requirements but showed low oxidative stability except for rapeseed oil.