blackcurrant oil
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2015 ◽  
Vol 2015 ◽  
pp. 1-8 ◽  
Author(s):  
Marek Pieszka ◽  
Władysław Migdał ◽  
Robert Gąsior ◽  
Magdalena Rudzińska ◽  
Dorota Bederska-Łojewska ◽  
...  

The oils from strawberry, blackcurrant, raspberry, and apple seeds were characterized by a high content of unsaturated fatty acids (90.8%, 88.6%, 94.0%, and 86.9%, resp.). Strawberry and raspberry oils had high levels of C18:2 (45.4% and 49.0%) andαC18:3 (29.0% and 33.0%, resp.). Blackcurrant oil was the richest source ofγC18:3 (18.5%) and C18:4 (3.6%). Apple oil had high levels of C18:2 (55.5%) and C18:1 (29.4%). Blackcurrant oil had 229.5 mg/100 g of tocochromanols, predominantlyγ-tocopherol (117.8 mg/100 g) andα-tocopherol (84.3 mg/100 g). Raspberry oil was rich inγ-,α-, andδ-tocopherol (193.5; 65.6; and 32.2 mg/100 g, resp.). Strawberry oil containedγ- andδ-tocopherol, 49.0 and 6.1 mg/100 g, respectively. Apple contained all isomers ofα-,β-,γ-, andδ-tocopherols at 41.7, 62.7, 13.6, and 21.8 mg/100 g, respectively. The level of tocotrienols in the analysed oils ranged from 0.85 to 6.73 mg/100 g. Ten different phytosterols were found in the tested oils. The richest sources of phytosterols were blackcurrant oil (6824.9 μg/g) followed by raspberry (5384.1 μg/g), strawberry (4643.1 μg/g), and apple oil (3460.0 μg/g). The dominant compound in the analysed oils was sitosterol, from 2630 μg/g in apple oil to 3630 μg/g in blackcurrant oil.


2013 ◽  
Vol 2013 ◽  
pp. 1-10 ◽  
Author(s):  
Pao Chi Chen ◽  
Jun-Wei Huang ◽  
Jimmy Pang

This study used three kinds of wax and three kinds of oil, with fixed mixture ratio including UV-blocking materials of ethylhexyl methoxycinnamate, oxybenzone, and avobenzone, and applied hot high-pressure homogenization process to prepare nanolipid sunscreen formulations. The measured particle size of the sunscreen formulations was 100~300 nm around PDI of 0.2 having a moderate polydisperse system. The distribution of zeta potential was −50 mV to −35 mV, showing a stable system. The UV light-absorbing range of 9 groups of sunscreen formulations was 275 nm~380 nm ranging within UVA and UVB. The rheological analysis found that the viscosity change is shear, thinning exhibiting colloid behavior. Taguchi analysis found that the optimum combinations are the carnauba wax and the blackcurrant oil combination for crystallinity and the beeswax and CPG oil for UV absorption. In addition, UV-blocking ability shows that the SPF was 51.5 and PFA was three stars for SU9 formulation. Finally, the effect of temperature on the properties of sunscreen formulations was also explored.


2009 ◽  
Vol 24 (S2) ◽  
pp. S209-S213 ◽  
Author(s):  
Zhao Fa-lin ◽  
Wu Zhen-yu ◽  
Hou Yan ◽  
Zhang Tao ◽  
Li Kang

2005 ◽  
Vol 92 (3) ◽  
pp. 569-573 ◽  
Author(s):  
Karel Stránský ◽  
Marie Zarevúcka ◽  
Zdeněk Wimmer

2000 ◽  
Vol 27 (7) ◽  
pp. 531-536 ◽  
Author(s):  
Miroslav Vacek ◽  
Marie Zarevúcka ◽  
Zdeněk Wimmerb ◽  
Karel Stránský ◽  
Bohumı́r Koutek ◽  
...  

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