Rose hip oil
| Rose hip oil | |
|---|---|
| Raw material plant (noun) |
( Rosa mosqueta ), dog rose ( Rosa canina ) and other wild roses such as the potato rose ( Rosa rugosa ) and the mountain rose ( Rosa pendulina ) |
| origin |
Seeds from the fruits (rose hips) |
| colour |
clear light yellow to orange-red |
| ingredients | |
| Oleic acid | 14.7-18.4%; 29.3% |
| Linoleic acid | 48.5-56.7% |
| Linolenic acid | 9.4%; 16.5-18.5%; 34% |
| Palmitic acid | 1.7-3.2% |
| More fatty acids | 4.5% other saturated fatty acids; Stearic acid 1.7–2.5%, arachidic acid approx. 2% |
| Other ingredients | Phytosterols up to 6.5 g / kg, tocopherol up to 1.1 g / kg |
| properties | |
| density | 0.9270 kg / l at 15 ° C |
| Iodine number | 152-169 |
| Saponification number | 189-193 |
| Manufacturing and Consumption | |
| use | Cosmetics, pharmacy |
Rosehip oil , rosehip seed oil or wild rose oil is a vegetable oil obtained from the seeds of rose hips various wild roses , especially the dog-rose ( Rosa canina can be won). The clear light yellow to orange-red oil can be used in pharmaceuticals and medicine as well as in cosmetics .
Extraction and properties
Rose hip oil is obtained from the seeds contained in the rose hips, the fruits of the roses, by mechanical pressing or extraction and then refined . The oil is usually stabilized by adding tocopherol (vitamin E). The oil can be kept for three months if stored in a cool, dark place.
Rose hip oil is clear, light yellow to orange-red in color. It has a smell that is described as sweet and sour, nutty, metallic, greasy, fruity, floral and aldehyde-like . The oil is liquid at room temperature. Rose hip oil is composed mainly of glycerides of oleic acid, linoleic acid and α-linolenic acid . In addition, 100 ml of rose hip seed oil contains around 47 mg of α- and β-tocopherol.
The oil has a refractive index of 1.478 to 1.4793, the acid number is 0.5.
use
In pharmacy and medicine
In pharmacy and medicine, rose hip oil is mainly used to treat dry, flaky and cracked skin. It is also used for eczema, psoriasis and pigmented skin, as well as for treating burns and injuries to the skin. Above all, the elasticizing and coloring effect of the oil is used. Other uses include treating injuries to the gums and oral mucosa, where the oil is said to accelerate healing.
In cosmetics
In the field of cosmetics, rose hip oil is used like other vegetable oils in ointments and creams, especially in night creams. The tretinoin contained in traces is said to accelerate the skin regeneration process and build up collagen , which improves the moisture absorption capacity.
literature
- S. Krist, G. Buchbauer and C. Klausberger: Lexicon of vegetable fats and oils. Springer Verlag, Vienna 2008, ISBN 978-3-211-75606-5 , pp. 141-142.
Individual evidence
- ↑ a b c d e Musa Özcan: Nutrient Composition of Rose (Rosa canina L.) Seed and Oils. In: Journal of Medicinal Food. 5 (3), 2004, pp. 137-140, doi : 10.1089 / 10966200260398161 .
- ↑ a b c d e f g h S. Krist, G. Buchbauer and C. Klausberger: Lexicon of vegetable fats and oils. Springer Verlag, Vienna 2008, ISBN 978-3-211-75606-5 , pp. 141-142.
- ↑ Anna Prescha, Magdalena Grajzer et al: The Antioxidant Activity and Oxidative Stability of Cold-Pressed Oils. In: J. Am. Oil Chem. Soc. 91 (8), 2014, pp. 1291-1301, doi : 10.1007 / s11746-014-2479-1 .
- ↑ A. Prescha, M. Grayzer include: Characteristics of rose hip (Rosa canina L.) cold-pressed oil and its oxidative stability of studied by the differential scanning calorimetry method. In: Food Chem. 188, 2015, pp. 459-66, doi : 10.1016 / j.foodchem.2015.05.034 .
- ↑ Wild rose oil | Oils and butters | Olionatura . ( olionatura.de [accessed on July 18, 2018]).
- ↑ J. Concha, C. Soto, R. Chamy, ME Zuñiga : Effect of rosehip extraction process on oil and defatted meal physicochemical properties . In: Journal of the American Oil Chemists Society . 83, No. 9, 2006, pp. 771-775. doi : 10.1007 / s11746-006-5013-2 .