Monday, September 6, 2021

Eating the Rainbow

 Harvard Health Publishing



Focusing on choosing a colorful variety of plant foods for your daily meals can help you live a longer, healthier life. Colorful fruits and vegetables contain phytonutrients, compounds that give plants their rich colors as well as their distinctive tastes and aromas.
When we eat plant foods, phytonutrients protect us from chronic diseases. Phytonutrients have potent anti-cancer and anti-heart disease effects. And research suggests that food patterns that include a variety of fruits and vegetables are associated with a reduced risk of many chronic diseases, including cardiovascular disease, and may be protective against certain types of cancers.
Our healthy living competition requires a total of 5 servings (a serving is usually 1/2 cup- so 2.5 cups) of fruits and vegetables each day! The American Cancer Society also recommends 2 1/2 cups per day of fruits and vegetables. The most recent US Dietary Guidelines recommend consuming even more: 2 1/2 cups of vegetables AND 2 cups of fruit (so 4.5 cups total) , based on a 2,000-calorie diet. And some health experts are urging 12 servings of fruits and vegetables a day (6 cups). If you are thinking MOST of what you eat should be fresh plant foods you are getting the idea!
Getting started
But besides volume we are looking at variety this week so try to include as many plant-based colors in your meals and snacks as possible. Each color provides various health benefits and no one color is superior to another, which is why a balance of all colors is most important. Getting the most phytonutrients also means eating the colorful skins, the richest sources of the phytonutrients, along with the paler flesh. Try to avoid peeling foods like apples, peaches and eggplant, lest you lose their most concentrated source of beneficial chemicals.
Phytonutrients in every color
Following is a rundown of fruits and vegetables sorted by color, along with the phytonutrients they contain, and which foods you’ll find them in.
Red: Rich in the carotenoid lycopene, a potent scavenger of gene-damaging free radicals that seems to protect against prostate cancer as well as heart and lung disease.
Found in: strawberries, cranberries, raspberries, tomatoes, cherries, apples, beets, watermelon, red grapes, red peppers, red onions
Orange and yellow: Provide beta cryptothanxin, which supports intracellular communication and may help prevent heart disease.
Found in: carrots, sweet potatoes, yellow peppers, oranges, bananas, pineapple, tangerines, mango, pumpkin, apricots, winter squash (butternut, acorn), peaches, cantaloupe, corn
Green: These foods are rich in cancer-blocking chemicals like sulforaphane, isocyanate, and indoles, which inhibit the action of carcinogens (cancer-causing compounds).
Found in: spinach, avocados, asparagus, artichokes, broccoli, alfalfa sprouts, kale, cabbage, Brussels sprouts, kiwi fruit, collard greens, green tea, green herbs (mint, rosemary, sage, thyme, and basil)
Blue and purple: Have powerful antioxidants called anthocyanins believed to delay cellular aging and help the heart by blocking the formation of blood clots.
Found in: blueberries, blackberries, elderberries, Concord grapes, raisins, eggplant, plums, figs, prunes, lavender, purple cabbage
White and brown: The onion family contains allicin, which has anti-tumor properties. Other foods in this group contain antioxidant flavonoids like quercetin and kaempferol.
Found in: onions, cauliflower, garlic, leeks, parsnips, daikon radish, mushrooms
Reach for the rainbow



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