## Abstract Vegetable oils are potential substitutes for petroleumβbased lubricants because they are environmentally friendly, renewable, less toxic and readily biodegradable. The addition of free fatty acids has been shown to increase the lubrication performance of vegetable oils at elevated tempe
Sunflower seed oil : The influence of temperature on the composition of the fatty acids
β Scribed by D. N. Grindley
- Publisher
- John Wiley and Sons
- Year
- 1952
- Tongue
- English
- Weight
- 444 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0022-5142
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β¦ Synopsis
Abstract
Sunflower seed has been cultivated in Khartoum during both the summer and winter, and the analytical results for the respective oils are given. It is observed that increased temperature during the period of ripening of the seed leads to a very much reduced linoleic acid content in the oil. The importance of marketing crops grown in the same area during different seasons separately is stressed.
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The seed oil of Peschiera australis (Apocynaceae) was analyzed for its fatty acid composition by gaschromatography-mass spectrometry. Oleic acid was the main fatty acid (75%) beside other usual compounds. The UV, IR and NMR spectroscopic data of the oil pointed to the presence of the alkaloides tab
## Abstract The component acids and glycerides of okra seed oil (iodine value 94.0, free fatty acid 0.1%, unsaponifiable matter 1.2%) from the Sudan have been investigated. The acids comprised palmitic 23.8%, stearic 7.4%, oleic 27.1% and linoleic 41.7% (wt.). The glycerides included about 40% of s