Kukui nut oil

Kukui nut oil
Raw material plant (noun)	Light walnut ( Aleurites moluccana )
origin	Seeds
colour	light yellow to orange
ingredients
Oleic acid	11-35%
Linoleic acid	37-49%
Linolenic acid	24-35%
Palmitic acid	5-9%
More fatty acids	Stearic acid 3–7%
properties
density	0.924-0.929
Melting point	−15 ° C
Iodine number	136-175
Saponification number	185-202
Manufacturing and Consumption
Most important production countries	India , Sri Lanka
use	Pharmacy, cosmetics, industry (paint, fuel), nutrition

Kukui nut oil , candlenut oil or Candle nut oil , Bankulnussöl , Lumbangöl , candles nut oil is a vegetable oil obtained from the seeds of the Kukuinussbaumes is recovered. Like tung oil, it is one of the so-called wood oils. It is also known as candlenut or lumbang oil in the English-speaking world .

General chemical structure of kukui nut oil, a triglyceride : (R ¹ , R ² and R ³ are alkyl or alkenyl radicals with mostly an odd number of carbon atoms), depending on the type of fatty acid bound (linolenic acid, linoleic acid, etc.)

Extraction

The oil can be obtained by extraction , hot or cold pressing . However, most of the antioxidants are destroyed by hot pressing , which is why the resulting oil is much less stable.

After pressing, the oil is filtered and cleaned. Additional antioxidants such as vitamin C ( ascorbyl palmitate ), vitamin A ( palmitate ) and vitamin E ( D- α-tocopherol ) can be added for stabilization .

properties

The color is light yellow to orange. The smell is sour, grassy, but also dull and chemical.

composition

What is noticeable in the triglycerides of the oil is the high proportion of unsaturated fatty acid residues in oleic, linoleic and linolenic acids, up to 90 percent.

use

In addition to being used in the kitchen, there are also uses in industry, pharmaceuticals and cosmetics.

Industry

Kukui nut oil was used as lamp oil , especially in Southeast Asia . More recently it has been used as a raw material for paints and varnishes and as fuel .

pharmacy

Kukui nut oil is successfully used to treat atopic dermatitis , neurodermatitis , psoriasis , acne , eczema and transepidermal water loss .

Cosmetics

Kukui nut oil is said to have a firming effect on the skin and a moisture-regulating effect on the other. As firming it is because of its high content of vitamins A and E. It also aims to strengthen the connective tissue and thus for example stretch marks prevention. The unsaturated fatty acids contained are supposed to support the build-up of epidermal ceramides and thus contribute to the regeneration of the skin barrier, which in turn should preserve the body's own moisture. Kukui nut oil is used to create a soft feel on the skin.

Furthermore, it is quickly absorbed without a greasy film and has a natural sun protection factor of 10. Accordingly, it is also used in cosmetics with which (light) protection against ultraviolet radiation is to be achieved.

It is used to make facial oils and hair conditioners.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q Sabine Krist, Gerhard Buchbauer, Carina Klausberger: Kukuinussöl . In: Lexicon of vegetable fats and oils . Springer Vienna, 2008, ISBN 3-211-75606-X , p. 225–227 ( limited preview in Google Book search).
↑ Alice R. Thompson: Kukui (Candle-Nut) Oil. In: Ind. Eng. Chem. 5 (8), 1913, pp. 644-645, doi : 10.1021 / ie50056a007 .
^ PH List, L. Hörhammer: Hager's handbook of pharmaceutical practice. Volume 7: Dosage forms and auxiliaries , Part B, Springer, 1977, ISBN 978-3-642-65823-5 , p. 172.
↑ ^a ^b Marina Bährle-Rapp: Aleurites moluccana . In: Springer Lexicon Cosmetics and Body Care . 4th edition. Springer, 2012, ISBN 978-3-642-24688-3 , pp. 18th f . ( limited preview in Google Book search).
↑ Mueller et al. 1995, according to Sabine Krist, Gerhard Buchbauer, Carina Klausberger: Lexicon of vegetable fats and oils . Springer Vienna, 2008, ISBN 3-211-75606-X .

[krist-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q Sabine Krist, Gerhard Buchbauer, Carina Klausberger: Kukuinussöl . In: Lexicon of vegetable fats and oils . Springer Vienna, 2008, ISBN 3-211-75606-X , p. 225–227 ( limited preview in Google Book search).

[2] Alice R. Thompson: Kukui (Candle-Nut) Oil. In: Ind. Eng. Chem. 5 (8), 1913, pp. 644-645, doi : 10.1021 / ie50056a007 .

[3] PH List, L. Hörhammer: Hager's handbook of pharmaceutical practice. Volume 7: Dosage forms and auxiliaries , Part B, Springer, 1977, ISBN 978-3-642-65823-5 , p. 172.

[Springer-4] Marina Bährle-Rapp: Aleurites moluccana . In: Springer Lexicon Cosmetics and Body Care . 4th edition. Springer, 2012, ISBN 978-3-642-24688-3 , pp. 18th f . ( limited preview in Google Book search).

[5] Mueller et al. 1995, according to Sabine Krist, Gerhard Buchbauer, Carina Klausberger: Lexicon of vegetable fats and oils . Springer Vienna, 2008, ISBN 3-211-75606-X .