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Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Yes, heirloom tomatoes are highly nutritious and low in calories, providing only 18 calories per 100g. They are packed with antioxidants like lycopene, which supports heart health, and are excellent sources of Vitamin C and potassium.
They are rich in lycopene, which may reduce the risk of heart disease and certain cancers. Additionally, their high Vitamin C content supports immune function, while Vitamin K and potassium contribute to bone health and blood pressure regulation.
Yes, heirloom tomatoes are keto-friendly. With only 3.89g of carbohydrates per 100g, they can easily fit into a low-carb or ketogenic diet when consumed in standard serving sizes.
Yes, heirloom tomatoes are a natural plant-based fruit. They are 100% vegan and naturally gluten-free, making them suitable for almost any dietary restriction.
Heirloom tomatoes generally have a much deeper, more complex flavor than standard hybrid tomatoes. Depending on the variety, they can range from very sweet and fruity to earthy, smoky, or intensely acidic.
Store heirloom tomatoes at room temperature, stem-side down, and away from direct sunlight. Never refrigerate them, as temperatures below 55°F (13°C) can make the texture mealy and destroy the delicate flavor compounds.
While they are most famous for being eaten raw in salads to showcase their flavor, they can also be roasted, grilled, or sautéed. Cooking heirloom tomatoes actually increases the bioavailability of the antioxidant lycopene.
Heirloom Tomatoes is a versatile ingredient found in cuisines around the world. With 18 calories per 100g and 0.88 grams of protein, it's a nutritious addition to many dishes.
Explore more ingredients in the fruit category with complete nutrition information.
View all fruit →Discover 1 recipes featuring heirloom tomatoes with step-by-step instructions.
Browse recipes →A ripe heirloom tomato should feel heavy for its size and have a slight give when gently pressed. Since they come in many colors like green or purple, don't rely on redness; instead, look for a fragrant, earthy aroma near the stem.
Because they are not bred for long shelf lives like commercial varieties, heirloom tomatoes typically last only 2 to 5 days once fully ripe. It is best to consume them as soon as possible after purchase or harvest.
Heirloom tomatoes come from seeds passed down through generations and have not been genetically cross-bred for uniform appearance. This preservation of genetic diversity results in unique ridges, varied sizes, and colors ranging from deep purple to striped yellow.