Rape oil

Rape oil — the oil received from colza can be carried to one of the most widespread at the universal level, its production makes about 14% of the total production of vegetable oils.

Colza – the annual plant from family of the Cruciferae family, it is cultivated already by more than 6 thousand years. This cold-resistant plant, it well grows in conditions of a temperate climate, but, according to most of researchers, the homeland of colza is the Mediterranean. Plants of colza are exacting to moisture.

The colza root rod, sprouts up to 2 meters in soil depth, the straight line stalk covered with a glaucescent plaque, leaves radical rozetochny and stem differ among themselves. Rather large flowers of colza in an inflorescence in the form of a brush have yellow or white coloring. They contain a lot of nectar therefore are appreciated as melliferous herbs.

Pods of colza have length to 10 cm and width to 3 cm, outside they are smooth. In one pod till 15-30 spherical seeds of black-brown color, with a diameter up to 2,5 mm. Seeds unevenly ripen on the plant height therefore they are surely stored some time before processing and ripen.

In agriculture colza is grown up both as winter and as summer culture. Besides this plant improves structure and fertility of the soil on which grows, enriches it with nitrogen. After crops their productivity increases in this place of grain crops.

Use of rape oil

Rape oil in the natural form is used in food, do mayonnaise, margarine of it. On the properties rape oil comes nearer to olive, it transparent, long does not spoil on air, does not turn rancid. The optimum ratio of physiologically important acids puts on advantage rape oil on the first place in comparison with other vegetable oils.

Use of rape oil not only as foodstuff, but also as raw materials for a number of technical products is possible. From it receive ether of fatty acids which are capable to reduce cetane number of fuel and are applied as biodiesel fuel.

The rubber industry, steelmaking production, lubricants, production of a film – here not the complete list of use of rape oil in the nonfood purposes.

The waste received from production of rape oil (cake) is a good forage for animals. But also green parts of plants of colza because of high content of phytalbumin in them are highly appreciated in agriculture, give them to fresh animals or in a silo.

Advantage of rape oil

Rape oil has pleasant taste. The advantage of rape oil consists available irreplaceable amino acids in its structure which are not synthesized in a human body – linoleic and linolenic.

Oil of colza contains a lot of vitamin E and And - the natural antioxidants protecting cells from damage by oxygen radicals. Except them in oil of colza there are a lot of group B vitamins.

The considerable advantage of rape oil is demonstrated by high content of microelements in it: calcium, copper, manganese, magnesium, zinc. Them contains in colza more, than in soy oil, and comprehensibility from rape oil is higher than them.

Colza oil has a positive impact on a metabolism, it reduces the content of "harmful" cholesterol, prevents formation of blood clots in vessels, prevents development of breast cancer in women.

Use of rape oil in cosmetology as a part of masks or bathtubs improves health and outward of skin.

Harm of rape oil

Harm of rape oil consists available in traditional grades of colza to 50% of erucic acid. Feature of this acid is that it is not capable to be split by organism enzymes therefore collects in fabrics and promotes growth delay, delays approach of puberty. Also erucic acid leads to disturbances in work of cardiovascular system, causes cirrhosis and infiltration of skeletal muscles. The safe threshold of content of this acid in oil makes 0,3 – 0,6%.

Besides, harm of rape oil is caused by sulfur-containing organic compounds which have toxic properties – glikozinolata, thioglycosides and their derivatives. They negatively influence a thyroid gland and other bodies, and impact to oil bitter relish.

Selectors removed colza grades in which the content of erucic acid and thioglycosides minimum or at all is reduced to zero. Bezerukovy grades (Spar, Agathe, Promin) considerably reduced harm of rape oil.

The grade of colza of Kanol does not contain thioglycosides. The oil received from it call channel, it is absolutely safe for the person, and it is used for frying, by seasonings of salads, etc.

It is not recommended to use rape oil at its individual intolerance, at diarrhea, cholelithiasis, chronic hepatitis as it negatively affects work of a liver and all digestive tract.