Trying to eat more vegetables? Snacking on carrots might help
Eating baby carrots just three times a week was enough to see benefits
2024-06-30
(Press-News.org) Chicago (June 30, 2024) — A new study found that eating a snack of baby carrots just three times a week significantly increased skin carotenoids in young adults. Levels of these phytonutrients were boosted even more when this healthy snack was combined with a multivitamin containing the carotenoid beta carotene.
Carotenoids, which are responsible for the bright red, orange and yellow colors of many fruits and vegetables, can be measured in the skin to gauge fruit and vegetable consumption since diet is the only source of these pigments. Higher levels of skin carotenoids are associated with increased antioxidant protection and a lower risk of chronic diseases such as heart disease and certain cancers. This marker also reflects improved skin health and immune function.
“Previous studies have demonstrated that skin carotenoid levels can be increased by consuming three times the recommended serving of fruits and vegetables every day for three weeks,” said Mary Harper Simmons, a Master of Science in Nutrition student at Samford University. “Our findings suggest that a small, simple dietary modification — incorporating baby carrots as a snack — can significantly increase skin carotenoid accumulation.”
Simmons will present the findings at NUTRITION 2024, the flagship annual meeting of the American Society for Nutrition held June 29–July 2 in Chicago.
For the study, the researchers randomly assigned 60 young adults to groups that received a four-week intervention of either Granny Smith apple slices (control), 100 grams (about half a cup) of baby carrots, a multivitamin supplement containing beta carotene or a combination of baby carrots and the supplement. Before and after the intervention, they used a noninvasive research-grade spectroscopy instrument called a VeggieMeter to detect and quantify carotenoids in the skin of the study participants.
The researchers found that compared to pre-intervention levels, skin carotenoid scores were significantly increased by 10.8% in the group receiving the baby carrots and by 21.6% in the group receiving the carrots and the supplement. Skin carotenoid levels were not changed in the control group or in those receiving only the supplement.
“We found that the combination of baby carrots and a multivitamin supplement that contains beta carotene can have an interactive effect on skin carotenoid accumulation,” said Simmons. “To get a beneficial effect, people should choose a multivitamin that contains beta carotene, and remember to eat baby carrots at least three times a week.”
Since carotenoid accumulation was not increased by multivitamin supplementation alone there could be differences in how carotenoids are absorbed, depending on whether they are from food or supplements. The researchers would like to explore the mechanism behind these findings and study the effects of other carotenoid-rich foods, such as sweet potato or green leafy vegetables.
Simmons will present this research at 8-8:12 a.m. CDT on Sunday, June 30, during the Carotenoids and Retinoids in Focus: Insights into Delivery, Vision, and Disease Prevention oral session in McCormick Place (abstract; presentation details).
Please note that abstracts presented at NUTRITION 2024 were evaluated and selected by a committee of experts but have not generally undergone the same peer review process required for publication in a scientific journal. As such, the findings presented should be considered preliminary until a peer-reviewed publication is available.
About NUTRITION 2024
NUTRITION 2024 is the flagship meeting of the American Society for Nutrition and the premier educational event for nutritional professionals around the globe. NUTRITION brings together lab scientists, practicing clinicians, population health researchers, and community intervention investigators to identify solutions to today’s greatest nutrition challenges. Our audience also includes rising leaders in the field – undergraduate, graduate, and medical students. NUTRITION 2024 will be held June 29–July 2, 2024 in Chicago. https://nutrition.org/N24 #Nutrition2024
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 four peer-reviewed journals and provides education and professional development opportunities to advance nutrition research, practice, and education. Since 2018, the American Society of Nutrition has presented NUTRITION, the leading global annual meeting for nutrition professionals. http://www.nutrition.org
Find more news briefs from NUTRITION 2024 at: https://www.eurekalert.org/newsroom/nutrition2024/home.
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[Press-News.org] Trying to eat more vegetables? Snacking on carrots might help
Eating baby carrots just three times a week was enough to see benefits
