Polar Lipids

Polar Lipids

Biology, Chemistry, and Technology
2015, Pages 57-75
Polar Lipids

3 - Sunflower Lecithin

https://doi.org/10.1016/B978-1-63067-044-3.50007-8Get rights and content

Publisher Summary

This chapter focuses on sunflower lecithin. Sunflower lecithin is not produced in considerable amounts worldwide. This fact is mainly because of the low lecithin content of crude sunflower oil as compared with 2.9% for soybean, 1.9% for rapeseed, 2.4% for cottonseed, and 2.0–2.7% for corn oil (normalized at 70% of insolubles in acetone). In Argentina, the production of sunflower oil is of utmost importance from an economic point of view. In this country, sunflower lecithin could represent an alternative to soybean lecithin because it is considered a non-Genetically Modified Organism (GMO) product, which is currently preferred by certain consumers. The chapter presents the phosphatide composition of vegetable lecithins obtained from different oils. Distribution of the main phospholipid components of sunflower lecithin appears to be rather similar to that of soybean lecithin. Moreover, the fatty acid composition of the phosphatides reflects the fatty acid composition of the oil in which these phosphatides occur, but it tends to have higher palmitic acid content and lower oleic acid content than the oil, as illustrated by the chapter. Sunflower lecithin is a promising alternative to soybean lecithin because it is the product of a non-GMO. Lecithin modification under industrial conditions with adequate techniques of analysis may be useful for evaluating the potential applications of these sunflower byproducts to the production of new emulsifiers.

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