Heirloom tomatoes

Heirloom tomatoes

Vegetable

Item Rating: 83/100

1 serving (100 grams) contains 18 calories, 0.9 grams of protein, 0.2 grams of fat, and 3.9 grams of carbohydrates.

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26.9
calories
1.3
protein
5.8
carbohydrates
0.3
fat

Nutrition Information

1 cup (149.3g)
Calories
26.9
% Daily Value*
Total Fat 0.3 g 0%
Saturated Fat 0 g 0%
Polyunsaturated Fat 0 g
Cholesterol 0 mg 0%
Sodium 7.5 mg 0%
Total Carbohydrates 5.8 g 2%
Dietary Fiber 1.8 g 6%
Sugars 3.9 g
protein 1.3 g 2%
Vitamin D 0 mcg 0%
Calcium 14.9 mg 1%
Iron 0.4 mg 2%
Potassium 353.7 mg 7%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

Food Attributes

🥓 Keto friendly
🍯 Low sugar
🧂 Low sodium
🧂 Low salt
🍞 Low carbs

Source of Calories

74.6%
16.7%
8.7%
Fat: 2 cal (8.7%)
Protein: 5 cal (16.7%)
Carbs: 23 cal (74.6%)

About Heirloom tomatoes

Heirloom tomatoes are a variety of tomatoes known for their unique appearance, vibrant colors, and rich flavors. Unlike hybrid tomatoes, they are grown from seeds passed down through generations, often dating back 50 to 100 years. Originally cultivated in Europe and the Americas, heirloom tomatoes are now celebrated in cuisines worldwide, especially in salads, sauces, and fresh dishes. Nutritionally, they are low in calories and high in water content. These tomatoes are excellent sources of vitamins A and C, potassium, and antioxidants like lycopene, which contribute to their health benefits.

Health Benefits

  • Rich in vitamin C, which supports immune health and acts as an antioxidant protecting cells from damage.
  • Contains lycopene, a powerful antioxidant linked to reduced risk of heart disease and certain cancers.
  • High levels of potassium improve electrolyte balance and support cardiovascular health.

Dietary Considerations

Allergens: None known
Suitable for: Vegan, vegetarian, paleo, mediterranean

Selection and Storage

Store heirloom tomatoes at room temperature away from sunlight to maintain flavor and texture. Refrigeration may cause them to lose taste and become mealy.

Common Questions About Heirloom tomatoes Nutrition

What is the nutritional content of heirloom tomatoes?

Heirloom tomatoes are low in calories, with about 30 calories per cup (180g). They contain approximately 1 gram of protein, 7 grams of carbohydrates, and offer a good source of vitamins A, C, and potassium. They are also high in antioxidants like lycopene, which may support heart health.

Can I eat heirloom tomatoes on a keto diet?

While heirloom tomatoes have natural sugars, they are low in net carbs—roughly 5 grams per cup—and can fit into a keto diet in moderation. They are an excellent option for adding flavor and nutrients without significantly impacting your carb limit.

What are the health benefits and concerns of eating heirloom tomatoes?

Heirloom tomatoes are rich in antioxidants like lycopene, which may reduce inflammation and support heart health. They also provide vitamin C to boost your immune system and potassium for electrolyte balance. There are few health concerns unless you have a sensitivity to nightshades or require a very low-acid diet.

How many heirloom tomatoes should I eat per serving?

A standard serving size is one medium heirloom tomato, weighing about 150–200g, or 1 cup chopped. This serving size is ideal for adding nutrition and flavor to meals while keeping calorie and carbohydrate consumption in check.

How do heirloom tomatoes compare to regular tomatoes in taste and nutrition?

Heirloom tomatoes are prized for their distinct flavors, often sweeter or richer than regular tomatoes, depending on the variety. Nutritionally, both types are similar, but heirloom tomatoes tend to have slightly more antioxidants due to diverse pigmentation and careful cultivation methods.

Data Sources & Scientific References

Our nutrition data comes from trusted, authoritative sources to ensure accuracy and reliability. Below are specific scientific references and authoritative sources for this food item.

Additional Authoritative Sources:

Daily value percentages based on FDA guidelines. Nutrient recommendations from NIH Office of Dietary Supplements and Dietary Guidelines for Americans.

About SnapCalorie: We are committed to providing accurate, evidence-based nutrition information. Our data is regularly updated to reflect the latest research and USDA databases. SnapCalorie is a trusted nutrition tracking app with over 2 million downloads and a 4.8/5 star rating.