IMAGES PROVIDED BY:
1) Thinkstock Photos
2) Thinkstock Photos
3) Thinkstock Photos
4) Thinkstock Photos
5) Thinkstock Photos
6) Getty Images
7) Thinkstock Photos
8) Thinkstock Photos
9) Thinkstock Photos
10) Getty Images
11) Thinkstock Photos
"Anthocyanins," Pennington Biomedical Research Center, 2009.
Linus Pauling Institute: "Phytochemicals."
Journal of the Science of Food and Agriculture: "Phytochemicals in fruits of two Prunus domestica L. plum cultivars during ripening."
Food & Nutrition Research: "Anthocyanidins and anthocyanins: colored pigments as food, pharmaceutical ingredients, and the potential health benefits."
Journal of Agricultural and Food Chemistry: "Blueberry Supplementation Improves Memory in Older Adults," "Anthocyanins in purple-orange carrots (Daucus carota L.) do not influence the bioavailability of beta-carotene in young women."
Plant, Soil and Environment: "Red and purple coloured potatoes as a significant antioxidant source in human nutrition -- a review."
Advances in Nutrition: "White Potatoes, Human Health, and Dietary Guidance."
American Journal of Clinical Nutrition: "Effects of Montmorency tart cherry (Prunus Cerasus L.) consumption on vascular function in men with early hypertension."
Arthritis Foundation: "How Cherries Help Fight Arthritis."
Critical Reviews in Food Science and Nutrition: "Cherries and health: a review," "Grape phytochemicals and associated health benefits."
Journal of Nutrition: "Unraveling the Relationship between Grapes and Health."
Plant Physiology: "The Purple Cauliflower Arises from Activation of a MYB Transcription Factor."
BioMed Research International: "Bioactive Compounds and Antioxidant Activity of Fresh and Processed White Cauliflower."
Harvard Health Publishing: "Nutritional psychiatry: Your brain on food."
CNS & Neurological Disorders Drug Targets: "Gut emotions -- mechanisms of action of probiotics as novel therapeutic targets for depression and anxiety disorders."
Journal of Applied Microbiology: "Probiotics and their fermented food products are beneficial for health."
Psychiatry Research: "Fermented foods, neuroticism, and social anxiety: An interaction model."
Kansas State University News Services: "The power of purple: Purple foods provide healthy nutrients and antioxidants."
World's Healthiest Foods: "Beets."
U.S. Department of Agriculture National Nutrient Database for Standard Reference, release 28: "11080, Beets, raw."
Nutrients: "The Potential Benefits of Red Beetroot Supplementation in Health and Disease."
ChemMatters: "Eating with Your Eyes: The Chemistry of Food Colorings."
Environmental Health Perspectives: "DIET AND NUTRITION: The Artificial Food Dye Blues."