Bright colors such as yellow and orange can be mood boosters. Yellow represents happiness, joy, and hope. Orange combines the happiness of yellow with the energy of red. Examples include: oranges, spaghetti squash, butternut squash, pumpkin, Yukon gold potatoes, sweet potatoes, lemon, Asian pears, yellow apples, carrots, bananas, yellow onions, parsnips, golden raspberries, golden beets, pineapples, yellow and orange peppers, corn, and ginger.
Yellow and orange foods receive their hues from carotenes, important antioxidants that give these fruits and vegetables their vitamin A. Citrus fruits are rich in vitamin C and protect us against free radical damage, strengthen blood vessels, and maintain collagen which forms tendons, cartilage, and ligaments. Citrus fruits help prevent allergies, inflammation, bruising, hemorrhoids, and varicose and spider veins. Vitamin C supports a healthy immune system, heart, vision, and digestion. Beta carotene is a well-known carotenoid, found in yellow and orange foods, that helps improve vision, fight cancer and pump up the immune system.
Bananas may reduce arterial plaque formation, prevent strokes, and protect against colon cancer. Along with vitamins A and C, pineapples contain bromelain – an anti-inflammatory enzyme that also aids in digestion. Sweet potatoes are high in fiber and contain more beta-carotene than any other vegetable.