Consuming Eggs with Raw Vegetables Increases Nutritive Value
Study identifies increased absorption of carotenoids
Newswise — Boston (March 28, 2015) – There is burgeoning research showing that co-consuming cooked whole eggs with your veggies can increase carotenoids absorption. With the recent scientific report from the 2015 Dietary Guidelines Advisory Committee lessening past concern over cholesterol in eggs, this is particularly good news.
“Americans under consume vegetables, and here we have a way to increase the nutritive value of veggies while also receiving the nutritional benefits of egg yolks,” said Wayne Campbell, Ph.D., Professor of Nutrition Science, Purdue University.
Campbell, working with postdoc fellow Jung Eun Kim, Ph.D., R.D., conducted a study to assess the effects of egg consumption on carotenoid absorption from a raw mixed-vegetable salad. Sixteen healthy young men ate three versions of the salad – one with no egg, one with 1.5 scrambled whole eggs, and another with 3 scrambled whole eggs. Those who ate the highest egg amount with the salad of tomatoes, shredded carrots, baby spinach, romaine lettuce, and Chinese wolfberry increased absorption of carotenoids 3-9 fold. This is a very significant effect, said Campbell. The carotenoids found in the salad include beta-carotene, alpha-carotene, lycopene, lutein, and zeaxanthin, the latter two being found in egg yolk as well.
The research grew out of his group’s previous study showing that by adding certain oils to mixed raw vegetables, the consumer experienced enhanced absorption of carotenoids.
“Next time you visit a salad bar, consider adding the cooked egg to your raw veggies,” said Campbell. “Not only are lutein and zeaxanthin available through whole eggs, but now the value of the vegetables is enhanced.”
The research findings will be presented at the American Society for Nutrition’s Annual Meeting during Experimental Biology 2015. Campbell believes the beneficial effects seen in this college-age population will extend to all populations and ages. His group would like to expand their research to explore the effects on other fat-soluble nutrients including vitamin E and vitamin D.
Jung Eun Kim will present the findings during the Experimental Biology 2015 meeting on Sunday, March 29 from 1:45 p.m. – 2:45 p.m. at the Poster Presentation, Boston Convention and Exhibition Center. The study was funded by grants from the American Egg Board.
About Experimental Biology 2015Experimental Biology is an annual meeting comprised of more than 14,000 scientists and exhibitors from six sponsoring societies and multiple guest societies. With a mission to share the newest scientific concepts and research findings shaping clinical advances, the meeting offers an unparalleled opportunity for exchange among scientists from across the United States and the world who represent dozens of scientific areas, from laboratory to translational to clinical research. www.experimentalbiology.org
About the American Society for Nutrition (ASN)ASN is the preeminent professional organization for nutrition research scientists and clinicians around the world. Founded in 1928, the society brings together the top nutrition researchers, medical practitioners, policy makers and industry leaders to advance our knowledge and application of nutrition. ASN publishes three peer-reviewed journals and provides education and professional development opportunities to advance nutrition research, practice and education. www.nutrition.org ###
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