Despite their nutritional similarities, fruits and vegetables are not nutritionally equal. Both fruits and vegetables have significant differences, and they’re used for different purposes. But is it okay to substitute fruit for vegetables?
It’s not permissible to substitute fruit for vegetables entirely. The Dietary Guidelines for Americans recommend consuming 2 1/2 cups of vegetables and 2 cups of fruit per day. It is possible to substitute fruit for certain vegetables in a meal as long as the recommended daily servings of fruit and vegetables are met for the day.
This article will discuss the Dietary Guidelines for Americans in more detail. In addition, I’ll examine the nutritional differences between fruits and vegetables and the possible substitutions you could make.
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The Daily Recommendation for Fruits and Vegetables
The Dietary Guidelines for Americans
The Dietary Guidelines for Americans is published by the United States Department of Agriculture (USDA) and the U.S. Department of Health and Human Services.
The aim of the Dietary Guidelines is to promote health and prevent disease.
The core elements making up a healthy dietary pattern include the following:
- Vegetables of all types
- Fruits, especially whole
- Protein foods
For the purpose of this article, we’ll be concentrating on fruits and vegetables. The daily recommendation for fruits and vegetables:
- Vegetables – 2 1/2 cups per day
- Fruits – 2 cups per day
The above cups may vary according to your age. Most adult women range from 2-3 cups and men 2 1/2 to 4 cups.
Eliminating vegetables or fruits entirely from your diet would be an unhealthy choice. Consuming the recommended balance between the two will provide the different nutrients offered from each type of food.
Eliminating one particular vegetable due to a fussy eater is okay as long as the vegetable is substituted with an equivalent option.
Some Nutrients Are Only Found in Fruits or Vegetables
Vegetables provide phytochemicals called glucosinolates fruits don’t contain. Phytochemicals or phytonutrients are chemicals plants produce to protect themselves from pests and diseases.
Vegetables come from the plant’s leaves, stems and roots, the parts most susceptible to pests and diseases.
The fact that vegetables come from the parts of plants most exposed to attack by disease and plants may explain why vegetables contain phytochemicals that fruits don’t.
However, what might be surprising is the phytochemicals continue their protective function in the human body after the fruits and vegetables containing them are consumed.
On the other hand, fruits are better sources of certain nutrients than vegetables. For example, fruits offer more fiber than leafy green vegetables. Still, while the sweeter taste presents a reason for serving fruits to children who won’t eat vegetables, it also offers caution. Fruits have higher levels of natural sugars than vegetables.
If you’re looking for a way to encourage children and others to eat vegetables, consider picking up the some cookbooks. Many of them contain kitchen-tested recipes from many cuisines and include information about vegetables with tips and techniques for preparing and cooking them.
Check out some of these vegetable cookbooks on Amazon, vegetable cookbooks.
Vegetables Are Superior Sources of These Nutrients Compared to Fruits
Certain nutrients found in vegetables are better than those found in fruits. That’s why while you can substitute fruit for vegetables in your dishes, it’s always best to include them both whenever possible.
You can benefit from the nutrients both vegetables and fruits can offer.
Like milk and other dairy products, vegetables represent a source of calcium. Calcium helps maintain strong bones throughout your life. Because your nervous system requires calcium to function properly, this nutrient also affects your muscles, including your heart muscle.
Although results aren’t fully conclusive, calcium may also reduce high blood pressure and protect you from diabetes and cancer.
Both fruits and vegetables contain calcium.
B Vitamins and Folates
In addition, vegetables also provide a major source of B vitamins. B vitamins include:
- B1 (thiamin)
- B2 (riboflavin)
- B3 (niacin)
- B7 (biotin)
- B9 (folate)
B vitamins help support the following:
- Maintain the health of the cells.
- Assist in creating new blood cells.
- Help convert food into energy.
- Help protect against disease.
- Help reduce the body’s physiological reactions to stress.
Both fruits and vegetables contain these nutrients.
Leafy green and orange, yellow, olive-green and red vegetables are good sources of carotenoids like the following:
These nutrients act as antioxidants, protect your eyes from macular degeneration, slow the aging of the brain, and improve the function of the immune system.
The Linus Pauling Institute at Oregon State University hosts the Micronutrient Information Center on their website. Tables 2 through 6 from the report on carotenoids 1 demonstrate that, while fruits do provide some carotenoids, the following vegetables are superior sources:
- Sweet potatoes
- Bell peppers
Fruits do offer some types of anti-inflammatory phytochemicals. However, cruciferous vegetables, vegetables from the Brassica family, provide the only source of phytochemicals known as glucosinolates.
Glucosinolates are believed to provide protection from cancer. The Brassica family includes:
- Brussels sprouts
- Bok choy
- Collard greens
Smoothie Tip: Add frozen fruit instead of ice. This increases the nutrient density and taste of the smoothie. If you’re interested in a Vitamix blender, check out my review, Vitamix Venturist V1220 Review.
Fruits Contain More of These Nutrients Than Vegetables
There are nutrients available in both fruits and vegetables. However, the nutrients below are more available in fruits than vegetables.
While both vegetables and fruits contain vitamin C, citrus fruits represent a particularly good source. Vitamin C helps protect against:
- Cardiovascular disease
- Eye disease
- Immune system deficiencies
- Prenatal health problems
- Aids in the body’s absorption of iron
Additional sources of vitamin C include:
- Green peas
- Red and green peppers
Berries contain anthocyanins. Anthocyanins are among a group of compounds known as polyphenols. Polyphenols may protect against heart disease and blood clots, improve brain function, and aid digestion.
- Red berries
- Purple berries
Vegetable sources include cabbage.
Naturally, both fruits and vegetables contain fiber, but fruits offer more fiber than leafy green vegetables.
Leafy vegetables may consist of 84 to 95 percent water and provide only 1.2 to 4 grams (0.04 to 0.14 oz) of fiber per 100 grams (3.52 oz) of the vegetable.
On the other hand, fruits may consist of 61 to 89 percent water and provide 2 to 15 grams (0.07 to 0.52 oz) of fiber per 100 grams (3.52 oz) of fruit.
What Counts as One Cup of Fruit or Vegetables
We already know the recommendation is to consume 2 1/2 cups of vegetables per day and 2 cups of fruit for most adults. Instead of chopping up a vegetable or fruit, you may want to eat it whole, like a carrot, apple or a celery stalk.
This makes it impossible to measure what you’re eating into a cup. The following graph provides the equivalent of common vegetables equaling one cup.
|Vegetable||The amount counting as
1 cup of vegetables.
|Carrots||2 medium carrots|
|Raw leafy greens||2 cups of fresh greens|
|Sweet potato||1 large sweet potato baked|
|White potato||1 medium white potato
boiled or baked
|Corn||1 large ear of corn|
|Tomatoes||1 large tomato
2 small tomatoes
|Bell peppers||1 large bell pepper|
|Celery||2 large stalks|
The following graph provides the equivalent of common fruits equaling one cup.
|Fruit||The amount counting as
1 cup of fruit.
|Apple||1 small apple
1/2 large apple
|Banana||1 large banana|
|Grapes||22 seedless grapes|
|Grapefruit||1 medium grapefruit|
|Kiwi||2 to 3 kiwis|
|Orange||1 large orange|
|Peach||1 large peach|
|Strawberries||8 large strawberries|
|Watermelon||1 small wedge or slice|
|Plum||3 medium plums
2 large plums
|Pear||1 medium pear|
Fruits Have More Sugar Than Vegetables
One important disadvantage of substituting fruit for all vegetables is fruits contain higher levels of natural sugars than vegetables. Dried fruits concentrate sugar levels, and fruit juices eliminate the fiber slowing the absorption of sugar.
When serving fruits, it’s best to serve whole fresh or frozen fruits. In addition, it’s great to offer fruit as substitutes for desserts and other sweet treats like candy bars, cookies, doughnuts, cupcakes, cakes, etc.
Find out 15 healthy mashed potato substitutes in my article, Mashed Potato Substitutes: 15 Healthy Alternatives.
6 Tips for Giving the Fussy Eater in Your Life the Right Vegetables
If you’re a fussy eater or have one in your household, it’s probably going to take some time to find vegetables the fussy eater will eat. In addition, it may be difficult to find a way to prepare vegetables differently the fussy eater will like.
6 Tips for Fussy Eaters Who Won’t Eat Vegetables:
1. Try encouraging sweeter-tasting vegetables like sweet potatoes or beets.
2. You can also glaze acorn or butternut squash with honey or sweeten frozen winter squash with honey or natural maple syrup. Technically, botanists classify squashes as fruits because the flower of the squash vine produces them.
3. Chefs, however, classify squashes as vegetables because of their taste.
4. Mix fruits with vegetables as you attempt to get the fussy eater to accept vegetables. Choose fruits containing the highest nutrients normally provided by vegetables like B vitamins and carotenoids.
5. Add vegetables to dishes the fussy already likes. Adding vegetables to macaroni and cheese or topping pizza with vegetables is a great idea.
6. Try stir-fried vegetables or carrot and celery sticks with a dipping sauce.
Ensure You Always Have the Right Fruits and Vegetables at Home
You may also face times when someone who usually eats vegetables doesn’t feel like eating them and may not feel like eating anything at all. Instances of diminished appetite can be due to illness or medication.
In such a case, nutrition is important, but taking in calories may be more important. In that situation, if you or the other adult will eat fruits instead of vegetables, by all means, eat fruit.
Make sure you always have the right fruits and vegetables at home. That way, you’ll always have the fruits and vegetables your family member is willing to eat.
Find out what fruits and vegetables they like so you can always have those ready in your kitchen.
Grapes and Oranges Are Good Substitutes for Vegetables
As mentioned earlier, there may be times when substituting fruit for a vegetable is necessary. Whether it’s for a child, you or an adult, you’ll want to substitute fruits coming close to the same nutritional values as vegetables.
Below are some suggestions for those times when it may be necessary to substitute a fruit for a vegetable:
- Grapes offer a source of antioxidants similar to onions.
- Oranges, kiwi and green peppers provide nearly equal amounts of vitamin C.
- Dried apricots and avocados provide more fiber than green peas.
- Sweet potatoes, squash and carrots provide vitamin A and folic acid.
- Fruit juices and fruits offer vitamin C and also provide folic acid.
- Those who dislike plain vegetables may enjoy pasta and vegetable dishes. Try adding finely chopped vegetables to pasta sauces or Asian stir-fries with or without meat.
- If your children or others reject cooked vegetables, try offering them salads or raw vegetable sticks.
Many low carb substitutes for sweet potatoes are different due to flavor. Check those out in my article, Keto Substitute for Sweet Potatoes: 8 Healthy Substitutes.
Wrapping Up Fruits for Vegetables
The Dietary Guidelines for Americans recommend eating 2 1/2 cups of vegetables and 2 cups of whole fruit per day.
It’s possible to find fruits supplying some of the nutrients contained in vegetables. There are, however, other nutrients like the glucosinolates found only in vegetables from the Brassica family that no fruit can provide.
The healthiest diets include both vegetables and fruits, so the best thing to do is keep looking for vegetables and ways of serving them that everyone will enjoy.
For more information on the nutrients contained in specific fruits and vegetables, search FoodData Central 2, a database hosted by the U.S. Department of Agriculture.
Read Next – More Fruit and Vegetable Articles
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- Oregon State University: Carotenoids
- USDA: FoodData Central
- U.S. Department of Health and Human Services: Current Dietary Guidelines
- U.S. Department of Health and Human Services: About the Dietary Guidelines
- Food and Agriculture Organization of the United Nations: Food-based dietary guidelines – Unites States of America
- Harvard Health Publishing: A look at the 2020-2025 Dietary Guidelines for Americans
- USDA: Dietary Guidelines
- Harvard T.H. Chan: Vegetables and Fruits
- CDC: How to Use Fruits and Vegetables to Help Manage Your Weight
- USDA MyPlate: Vegetables
- National Center for Biotechnology Information: Health Benefits of Fruits and Vegetables
- National Center for Biotechnology Information: Fruit and Vegetable Intake: Benefits and Progress of Nutrition Education Interventions-Narrative Review Article
- American Heart Association: How to Eat More Fruit and Vegetables
- Tufts: Fruits & Vegetables
- USDA MyPlate: Fruits