1 serving (85 grams) contains 15 calories, 1.0 grams of protein, 0.1 grams of fat, and 3.0 grams of carbohydrates.
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Nutrition Information
Calories |
10 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 0.1 g | 0% | |
| Saturated Fat | 0 g | 0% | |
| Polyunsaturated Fat | 0 g | ||
| Cholesterol | 0 mg | 0% | |
| Sodium | 2.7 mg | 0% | |
| Total Carbohydrates | 2 g | 0% | |
| Dietary Fiber | 1.3 g | 4% | |
| Sugars | 0.7 g | ||
| protein | 0.7 g | 1% | |
| Vitamin D | 0 mcg | 0% | |
| Calcium | 10.7 mg | 0% | |
| Iron | 0.3 mg | 1% | |
| Potassium | 77.3 mg | 1% | |
* 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
Source of Calories
About Romaine hearts
Romaine hearts, the tender interior leaves of romaine lettuce, are a staple in salads and dishes worldwide, especially in Mediterranean and American cuisines. Originating from the Middle East and later popularized in Europe, romaine lettuce has become a globally favored vegetable due to its crisp texture and mild flavor. Romaine hearts are low in calories, with only about 8 calories per cup, and are rich in essential nutrients such as vitamin K, which supports bone health, and vitamin A, which aids vision and immune function. They also contain fiber for digestive health and small amounts of folate and potassium, making them a nutrient-dense choice in meal preparation.
Health Benefits
- Supports bone health due to high vitamin K content (48% of the Daily Value per cup).
- Promotes eye health with vitamin A, providing over 80% of the Daily Value per cup.
- Aids digestion through dietary fiber, which contributes to gut regularity and overall digestive function.
Dietary Considerations
Selection and Storage
Store romaine hearts unwashed in the refrigerator, ideally in a sealed plastic bag or container. Consume within 5-7 days for optimal freshness.
Common Questions About Romaine hearts Nutrition
Is romaine hearts high in protein?
Romaine hearts are not high in protein, as they contain approximately 1 gram of protein per cup (47 grams). They are primarily valued for their low calorie and high vitamin content rather than their protein levels.
Can I eat romaine hearts on a keto diet?
Yes, romaine hearts are keto-friendly. They are low in carbohydrates, with just 1 gram of net carbs per cup, making them an excellent choice for salads or wraps on a ketogenic diet.
What are the health benefits of eating romaine hearts?
Romaine hearts are rich in vitamins A, C, and K, providing antioxidants that support immune health, skin, and vision. Additionally, they contain folate and fiber, which contribute to heart health and digestion. Their low calorie content makes them great for weight management.
What is the recommended serving size for romaine hearts?
A standard serving size of romaine hearts is around 1 cup (about 47 grams). This portion contains approximately 8 calories, making it easy to incorporate into meals without adding significant calories.
How do romaine hearts compare to other lettuce types?
Compared to iceberg lettuce, romaine hearts are more nutrient-dense, offering higher levels of vitamins A, C, and K. They also have a slightly stronger flavor and sturdier texture, making them ideal for Caesar salads and wraps. However, they are similar in calorie content to other lettuce varieties.
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.
