Camelina Oil

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Oil production

For the production of camelina oil, the camelina seeds, which contain around 30-40% oil, need to be pressed. To this end there are two possible methods: either through a cold pressing using a screw press / oil press; or through an extraction. Extraction, although it does yield somewhat more oil, does destroy important and valuable substances contained within the seeds. The seeds are cleaned and dried. Then, they are gently preheated up to the press temperature. If the storage temperature is already high enough for the mechanical pressing, then the seeds do not need preheating. The seeds, having been treated beforehand, are fed into plant oil press for a mechanical pressing. A careful and efficient pressing of camelina seeds is possible using a press –such as the Florapower Universalpress –that de-oils the seeds both gently in the cold-press process and especially efficiently in the hot-press process.

Alternatively, in order to obtain the oil, the seeds are first crushed into a coarse mass. This sandy substance is subsequently saturated with an equal volume of water, then roasted at 60-90° C and pressed. The oil is left alone, and then filtered through gauze. However, the shelf life of the oil is relatively short, which is attributed to the high amount of unsaturated fatty acids in the oil. Consequently, the seeds must be processed shortly after purchase.

Oil press for processing camelina seeds

Characteristics and shelf life

Camelina seed oil is a semi-drying oil whose color varies from light yellow to golden yellow to light orange. It exhibits a green, herbaceous, pyrazine and slightly citrus scent, which is often reminiscent of a freshly cut meadow. Taste-wise, the oil is described as slightly spicy and reminiscent of mustard seed oil. In color and in taste, it is somewhat similar to rapeseed oil. The oil solidifies around -18 to -11°C. In contrast, at room temperature it is liquid, yet dries relatively quickly.

The fatty acid composition of camelina oil is largely made of unsaturated fatty acids, the largest portion of which is α-linoleic acid (around 37.8%). Also present are oleic acid (13.4%), linoleic acid (16%) and erucic (about 2.76%); as well as eicosenoic acid (5.33%), palmitic acid, and stearic acid (around 2-3%). Beyond this range of fatty acids, the oil also contains many volatile substances, such as various alcohols and organic acids, sterols, and tocopherols, among others. The high portions of Vitamin E and γ-tocopherol are of particular importance. The high percentage of unsaturated fatty acids in camelina oil, however, unfortunately also account for its relatively brief shelf life.


In the pharmaceutical and medical industries

Studies have shown (see the Lexikon der pflanzlichen Fette und Öle) that regular consumption of camelina oil increases the portion of α-linoleic acid in serum lipids while simultaneously reducing cholesterol. Furthermore, camelina oil can yield wax esters, which in turn represent potential fundamental substances for special lubricants in technology and for certain applications in the realm of cosmetics and of pharmacy. Camelina oil also seems to have a beneficial effect on arteriosclerosis, since it has a very good ratio of omega-3 and omega.6 fatty acids. This oil further represents a good source of omega-3 fatty acids –which are important for the human body –and therefore constitutes a fine alternative to fish oil. The high α-linoleic acid content in camelina oil, moreover, is considered valuable in the cosmetic realm and is thus used in the production of oils, creams, lotions, soaps, and so on.

In folk medicine

Camelina oil has long been used in the area of folk medicine. It is supposed to strengthen the immune system and also have a pain-relieving, antiseptic and wound-healing effect. It is used to help against various ailments and diseases, such as stomach and intestinal ulcers, gastritis, colic, digestion problems, bruises and bruising, skin abrasions, sprains, contusions, skin diseases, acne, inflammations, and frostbite, among other things. Even in the treatment of animals, it finds application, such as in trichophytia- or wound treatment.

In industry

Camelina oil also has a variety of industrial applications. It aids in the production of soaps and paints, for example. Additionally, it serves in the manufacture of luminous, soot-free lamp oil. This oil is also readily used in oleochemistry in order to produce environmentally friendly polymers, lacquers, varnish (with linseed oil), and paints, since camelina oil, on account of its high polyunsaturated fatty acid content, ranks among the quick-drying oils.

In the kitchen

In the kitchen, camelina oil can be used interchangeably with linseed oil. It is especially valued for cold dishes, yet should not be heated. From a nutritional perspective, the high α-linoleic acid content and the low amount of erucic acid (< 4%) are of special importance.

The press cakes, which are formed during the pressing of camelina seeds, can be used too, yet in Germany the use of camelina seed press cakes in animal feed is not currently allowed. This is due to the constant contamination of imported camelina seeds over the past years. However, in the near future, this ban could possibly soon be reversed using a re-assessment of imported press cakes. Generally the residual oil content in the cakes is around 8 to 17%. The portion of glucosinolate, tannins, and sinapine are relatively low, making it harmless as animal feed. The phytic acid and its product, inositol pentaphosphate, occur however in somewhat larger amounts. In addition, the cakes also contain small amounts of sinapine and tannins (comparable to soy protein).

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In addition to their own knowledge acquired through press trials, the following sources were used to create the article:

  • Öle, natürlich kaltgepresst, Basiswissen & Rezepte, Marcus Hartmann, Hädecke, 2008
  • Heilende Öle, Pflanzenöle als Nahrungs- und Heilmittel, Neue Erkenntnisse, Günter Albert Ulmer Verlag Tuningen
  • Lexikon der pflanzlichen Fette und Öle, Krist, Buchbauer, Klausberger, SpringerWienNewYork, 2008