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Abstract Detail


Minority Affairs Symposium - Plants and Human Nutrition

Damude, Howard [1], Farrall, Leonard [2], Ripp, Kevin [2], Cahoon, Edgar [3], Liu, Zhan-Bin [2], Stecca, Kevin [2], Schweiger, Bruce [2], Booth, J. Russ [2], Kinney, Anthony [2].

Making a healthy oil even healthier:  Production of omega-3 polyunsaturated fatty acids in soybean.

Multiple studies have shown that inclusion of omega-3 long chain polyunsaturated fatty acids (LC-PUFAs), especially EPA (eicosapentaenoic acid, 20:5) and DHA (docosahexaenoic acid, 22:6), in the diet can have multiple health benefits including positive effects on cardiovascular and mental health. Although marine oils can be a rich source of EPA and DHA, processed fish oil is undesirable as a food ingredient because of the associated objectionable flavors and contaminants that are difficult and cost-prohibitive to remove. Oilseed plants engineered to produce EPA and DHA offer a safe, sustainable and cost-effective alternative to fish oils as a source of LC-PUFAs for food ingredients. Given the potential benefit, we have directed much effort towards producing an oilseed-derived source of LC-PUFAs. Towards this end, we have placed EPA and DHA biosynthetic pathways into soy and have produced commercially relevant levels of these omega-3 LC-PUFAs in the seed oil. The approaches, recent advances and future prospects of this work will be discussed.


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1 - DuPont Experimental Station, Crop Genetics, PO Box 80353, Wilmington, DE, 19880, USA
2 - DuPont Experimental Station, Crop Genetics
3 - Donald Danforth Plant Science Center, Plant Genetics Research Unit

Keywords:
Lipids
lipid metabolism
polyunsaturated
omega-3
Soybean.

Presentation Type: ASPB Major Symposium
Session: S03
Location: International Ballroom/Hilton
Date: Sunday, July 8th, 2007
Time: 2:00 PM
Number: S03001
Abstract ID:2375


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