Formation of Phospholipid Association Colloids in Rapeseed Oil and Their Effect on Lipid Autoxidation in the Presence of Sinapic and Ferulic Acid

2019 ◽  
Vol 122 (2) ◽  
pp. 1900243 ◽  
Author(s):  
Ewa Rokosik ◽  
Aleksander Siger ◽  
Magdalena Rudzińska ◽  
Przemysław Siejak ◽  
Krzysztof Dwiecki
Keyword(s):  
Ferulic Acid ◽  
Rapeseed Oil ◽  
Association Colloids ◽  
Lipid Autoxidation

scholarly journals Isolation of Eicosanol Ferulic Acid Ester from Linseed Oil and Rapeseed Oil

1961 ◽  
Vol 10 (10) ◽  
pp. 625-629
Author(s):  
Toshitake TAMURA ◽  
Taro MATSUMOTO
Keyword(s):  
Ferulic Acid ◽  
Acid Ester ◽  
Rapeseed Oil ◽  
Linseed Oil

Antioxidant activity and synergism of canolol and α-tocopherol in rapeseed oil is affected by the presence of phospholipid association colloids

LWT ◽  
2020 ◽  
Vol 133 ◽  
pp. 110095
Author(s):  
Ewa Rokosik ◽  
Aleksander Siger ◽  
Magdalena Rudzińska ◽  
Krzysztof Dwiecki
Keyword(s):  
Antioxidant Activity ◽  
Rapeseed Oil ◽  
Association Colloids

scholarly journals Column chromatography as a method for minor components removal from rapeseed oil

2019 ◽  
Vol 70 (3) ◽  
pp. 316 ◽  
Author(s):  
E. Rokosik ◽  
K. Dwiecki ◽  
M. Rudzińska ◽  
A. Siger ◽  
K. Polewski
Keyword(s):  
Aluminum Oxide ◽  
Silicic Acid ◽  
Activated Charcoal ◽  
Rapeseed Oil ◽  
Minor Components ◽  
Minimum Level ◽  
Bulk Oil ◽  
Free Sterols ◽  
Association Colloids ◽  
Β Carotene

The purpose of this study was to verify the influence of different chromatographic column beds (silicic acid, activated charcoal, aluminum oxide, silica gel) on the concentration of individual minor components (sterols, tocopherols, carotenoids and chlorophyll) in rapeseed oil. With the use of a combination of these beds, a three-stage optimized method for removing minor components from rapeseed oil was developed. It was demonstrated that the combination of silicic acid and activated charcoal removed about half of the sterols present from the oil. Aluminum oxide turned out to be the most effective bed in removing tocopherols, purifying the oil to their minimum level (2.6 mg/kg). All adsorbents used had similar capacity to purify oil from pigments (carotenoids and chlorophyll). In the three-stage purification process free sterols were almost completely removed (to the level 90.0 mg/kg). Purification of β-carotene and chlorophyll from the oil was also very effective. Tocopherols were completely removed with this method, except for a small amount of α-tocopherol (0.4 mg/kg), which results from its relatively weak interaction with a hydrophilic bed. The developed method may be used in studies on the effect of association colloids on bulk oil autoxidation processes.

Rapeseed Oil and Sunflower Oil Diets Enhance Platelet In Vitro Aggregation and Thromboxane Production in Healthy Men when Compared with Milk Fat or Habitual Diets

1992 ◽  
Vol 67 (03) ◽  
pp. 352-356 ◽  
Author(s):  
Marja Mutanen ◽  
Riitta Freese ◽  
Liisa M Valsta ◽  
Irma Ahola ◽  
Antti Ahlström
Keyword(s):  
Sunflower Oil ◽  
Milk Fat ◽  
Rapeseed Oil ◽  
Controlled Trial ◽  
Collagen Concentration ◽  
Aggregation Pattern ◽  
Thromboxane Production ◽  
Low Erucic Acid ◽  
Platelet Thromboxane

SummaryIn this highly controlled trial, 26 normolipidemic men (average age 28 years, range 18 to 60) were fed a baseline diet high in milk fat (MF) (fat 36% of energy, saturates 19%, monounsaturates 11%, polyunsaturates 4%), followed by a diet high in sunflower oil (SO) (fat 38% of energy, saturates 13%, monounsaturates 10%, polyunsaturates 13%) and another diet high in low erucic-acid rapeseed oil (RO) (fat 38% of energy, saturates 12%, monounsaturates 16%, polyunsaturates 8%). All diets were mixed natural diets with the same cholesterol contents. The baseline milk fat diet was given for 14 days and the oil diets for 24 days in a blind cross-over design. The platelet in vitro aggregation (slope %/min) induced by 1, 2 and 3 pM ADP and collagen (25 pg/ml PRP) was highly significantly (p <0.001) increased after both oil diets when compared with the results from the milk fat diet. The aggregation pattern determined by threshold collagen concentration confirmed increased collagen sensitivity of the platelets after the rapeseed oil diet (p <0.001). The enhancement of platelet aggregation was associated with increased in vitro platelet thromboxane production after the oil diets vs. the milk fat diet (p <0.05 after the sunflower oil diet and p <0.001 after the rapeseed oil diet).

Polyurethanes based on hydroxylated rapeseed oil: thermal and dynamic mechanical properties

2015 ◽  
Vol 37 (2) ◽  
pp. 162-167
Author(s):  
V.A. Vilensky ◽  
◽  
L.V. Kobrina ◽  
S.V. Riabov ◽  
Y.Y. Kercha ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Rapeseed Oil ◽  
Dynamic Mechanical Properties ◽  
Dynamic Mechanical

Evaluation of Ethoxylated Rapeseed Oil Fatty Acids Methyl Esters as Nonionic Co-Surfactants in Hand Dishwashing Liquids

2019 ◽  
Vol 56 (4) ◽  
pp. 279-286 ◽  
Author(s):  
Tomasz Wasilewski ◽  
Yong-Qiang Sun ◽  
Wiesław Hreczuch ◽  
Artur Seweryn ◽  
Tomasz Bujak
Keyword(s):  
Fatty Acids ◽  
Rapeseed Oil ◽  
Methyl Esters
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