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Information about the Kentucky State University Cooperative Extension Program

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# Nutritional and Health Benefits of Leafy Greens

Marie Merci Uwimbabazi, Graduate Research Assistant

Megrael Ngudia, Undergraduate Research Assistant

Cora Teets, Research & Extension Associate

te Nzaramyimana, PhD, Assistant Professor for Urban Agriculture

## Introduction and Background

Leafy greens are categorized as part of fresh vegetables, known for their green color and tender texture.

The history of leafy greens dates back to ancient civilizations, where they became a staple food in the Mediterranean region before spreading across Europe. During European exploration and the transatlantic slave trade, leafy greens were introduced to different parts of the world.

In the 16th century, they were brought to the Americas by European settlers and enslaved Africans. Over time, African culinary traditions influenced the preparation of these greens, making them a staple in Southern cuisine. Ultimately, they became an essential part of diets and are now widely consumed throughout the United States due to their versatile culinary uses.

Since then, there has been a growing demand for salads and fresh vegetables, which increased the United States' per capita consumption to 155.4 pounds in 2023.

Leafy greens are rich in vitamins, minerals, fiber, and other phytonutrients with low calories, all of which contribute to essential health benefits.

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## Leafy Green Health Benefits

✿ Contain a great amount of essential nutrients

Combat cellular damage and support healthy aging

Reduce the risk of chronic diseases such as cancer and heart disease

Vital for healthy vision, immunity, bone health, and cell growth

Important for healthy muscles, nerve function, and oxygen transport

Promote healthy gut bacteria, aiding digestion, and regulating blood sugar levels

## Where to Find Leafy Greens

Grocery Stores and Supermarkets

Online Retailers

Community Supported Agriculture (CSA)

Farmers' Markets

Specialty and Ethnic Markets

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# Nutritional Benefits of Most Common Leafy Greens

The Dietary Guidelines for Americans recommends increasing average intakes of vegetables to improve human health conditions.

Overall, they are rich in vitamins (A, C, E, and K), minerals, fibers, and antioxidants.

Arugula: Vitamins K, A, C, folate, calcium, antioxidants

Beet Greens: Vitamins A, C, K, iron, fiber

➢ Boy choy: Vitamins A, C, K, folate, fiber, calcium

➢ Collard Greens: Vitamins K, A, C, folate, calcium

Kale: Vitamins A, C, K, calcium, antioxidants

✓ Napa (Chinese) cabbage: Vitamins C, K, folate, antioxidants

Spinach: Vitamins A, C, K, iron, folate, manganese

Swiss chard: Flavonoids, vitamins K, A, C, magnesium, iron

➢ Turnip Greens: Vitamins K, A, C, folate, calcium, fiber

➤ Lettuce: Vitamins K, A, folate, fiber

## Boost Your Health by Adding Leafy Greens to Your Diet!

There are many ways that leafy greens can be incorporated into the diet to make balanced and enjoyable meals.

✿  Make a Salad: You can make your delicious salad using different greens of different colors, textures and varieties.

❖  Wrap It Up: Make a wrap with tuna, chicken or turkey and add romaine lettuce, spinach, arugula, and other veggies for some extra flavor.

✿  Add to Soup: You can add green leaves into your favorite soup.

✿  Stir-Fry: You can add your chopped greens to meat or tofu stir-fried recipes

✿  Steamed: Steaming your greens until they are slightly soft, and ready to consume

✿  In an Omelet: Add steamed greens to your omelet it enhances the taste and nutrients.

✿  Smoothies: Greens can be used to make healthy and nutritious smoothies.

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The USDA recommends adults eat 2-3 servings of vegetables a day, and 2 cups of raw greens make up one serving!

## Sources

Americans' consumption of vegetables and legumes has moved closer to recommendations | Economic Research Service. (n.d.). https://www.ers.usda.gov/data-products/charts-of-note/chart-detail?chartId=85012#

ANutr, M. J. M. (2023, October 30). 21 Healthy and nutritious leafy green vegetables. Nutrition Advance. https://www.nutritionadvance.com/leafy-green-vegetables/

Experience the history of collard greens at Gram's BBQ (2024, April 16). a soul food journey. Gram's BBQ - Gram's BBQ. https://www.gramsbbq.co/collard-greens/#

Fox, M. (2021, March 22). Crop spot: Greens – Kentucky Horticulture Council. https://kyhortcouncil.org/2021/03/22/crop-spot-greens/ Myers, A. (2024, August 29). 12 Benefits of Leafy Greens. AMMD, LLC. https://www.amymyersmd.com/blogs/articles/benefits-of-leafy-greens  

Statista. (2025b, February 14). U.S. per capita consumption of fresh vegetables 2000-2023. https://www.statista.com/statistics/537688/per-capita-consumption-of-fresh-vegetables-in-the-us/#

Unknown Author. (n.d.). [Images of Leafy Greens]. Creative Commons. https://creativecommons.org/licenses/by-nc-nd/4.0/

USDA-ARS. (2023, September). Dark Green Leafy Vegetables. https://www.ars.usda.gov/plains-area/gfnd/gfhnrc/docs/news-articles/2013/dark-green-leafy-vegetables#