HUMAN NUTRITION

Detailed explanation-1: -The richest sources of beta-carotene are yellow, orange, and green leafy fruits and vegetables (such as carrots, spinach, lettuce, tomatoes, sweet potatoes, broccoli, cantaloupe, and winter squash). In general, the more intense the color of the fruit or vegetable, the more beta-carotene it has.

Detailed explanation-2: -Dark green leafy vegetables are great sources of nutrition. Salad greens, kale and spinach are rich in vitamins A, C, E and K, and broccoli, bok choy and mustard are also rich in many of the B-vitamins.

Detailed explanation-3: -Many orange and dark green vegetables and fruits contain carotenes, natural coloring substances, or pigments. The body can change these pigments into vitamin A. The deeper the green or orange color of the vegetable or the fruit, the more carotenes (and thus vitamin A) it contains.

Detailed explanation-4: -Red, Blue and Purple These brightly colored fruits and vegetables often also contain essential vitamins and minerals such as potassium, vitamin A, vitamin C and folate. Compounds in these fruits and vegetables also help keep your vision and immune system healthy and limit your risk for urinary tract infections.

Detailed explanation-5: -Green leafy vegetables tend to be rich in vitamin K, whereas fruits and grains are poor sources. The vitamin K activities of meats and dairy products tend to be moderate.