Common food

Photo: Wikipedia
This is the crisp, green foundation of a classic Caesar salad, stripped of its creamy dressing to reveal the pure, refreshing character of romaine lettuce. Its sturdy, ribbed leaves offer a satisfying crunch with a mild, slightly sweet and nutty flavor. Nutritionally, it's an ultra-light, low-calorie base packed with water and fiber.
People love it for its reliable, refreshing crunch that acts as a perfect canvas for bold flavors, from tangy vinaigrettes to savory proteins. It's a cultural staple of casual dining, symbolizing a quick, healthy, and satisfying meal.
On its own, it can be perceived as bland or overly fibrous for some. Those with sensitive digestion might find the raw fiber challenging. To counteract this, always pair it with a source of fat (like olive oil or avocado) and protein (like chicken or egg) to create a balanced meal, enhance nutrient absorption, and improve satiety.
The Caesar salad was invented in Tijuana, Mexico, by Italian-American restaurateur Caesar Cardini in 1924, reportedly during a Fourth of July rush when kitchen supplies were low.
| Water | 83.8 g |
| Energy | 77.0 kcal |
| Protein | 4.0 g |
| Total lipid (fat) | 3.4 g |
| Carbohydrate, by difference | 7.5 g |
| Fiber, total dietary | 1.8 g |
| Total Sugars | 1.2 g |
| Calcium, Ca | 108 mg |
| Iron, Fe | 0.40 mg |
| Magnesium, Mg | 15.0 mg |
| Phosphorus, P | 83.0 mg |
| Potassium, K | 250 mg |
| Sodium, Na | 238 mg |
| Zinc, Zn | 0.65 mg |
| Copper, Cu | 0.05 mg |
| Selenium, Se | 4.8 ug |
| Vitamin C, total ascorbic acid | 4.0 mg |
| Thiamin | 0.08 mg |
| Riboflavin | 0.11 mg |
| Niacin | 0.54 mg |
| Vitamin B-6 | 0.07 mg |
| Folate, total | 49.0 ug |
| Folic acid | 3.0 ug |
| Folate, food | 46.0 ug |
| Folate, DFE | 51.0 ug |
| Choline, total | 10.5 mg |
| Vitamin B-12 | 0.13 ug |
| Vitamin B-12, added | 0.00 ug |
| Vitamin A, RAE | 398 ug |
| Retinol | 21.0 ug |
| Carotene, beta | 4524 ug |
| Carotene, alpha | 0.00 ug |
| Cryptoxanthin, beta | 0.00 ug |
| Lycopene | 0.00 ug |
| Lutein + zeaxanthin | 2000 ug |
| Vitamin E (alpha-tocopherol) | 0.18 mg |
| Vitamin E, added | 0.00 mg |
| Vitamin D (D2 + D3) | 0.00 ug |
| Vitamin K (phylloquinone) | 72.6 ug |
| Fatty acids, total saturated | 1.7 g |
| SFA 4:0 | 0.05 g |
| SFA 6:0 | 0.04 g |
| SFA 8:0 | 0.03 g |
| SFA 10:0 | 0.06 g |
| SFA 12:0 | 0.07 g |
| SFA 14:0 | 0.23 g |
| SFA 16:0 | 0.82 g |
| SFA 18:0 | 0.34 g |
| Fatty acids, total monounsaturated | 1.0 g |
| MUFA 16:1 | 0.04 g |
| MUFA 18:1 | 1.0 g |
| MUFA 20:1 | 0.01 g |
| MUFA 22:1 | 0.00 g |
| Fatty acids, total polyunsaturated | 0.35 g |
| PUFA 18:2 | 0.25 g |
| PUFA 18:3 | 0.11 g |
| PUFA 18:4 | 0.00 g |
| PUFA 20:4 | 0.00 g |
| PUFA 20:5 n-3 (EPA) | 0.00 g |
| PUFA 22:5 n-3 (DPA) | 0.00 g |
| PUFA 22:6 n-3 (DHA) | 0.00 g |
| Cholesterol | 8.0 mg |
| Alcohol, ethyl | 0.00 g |
| Caffeine | 0.00 mg |
| Theobromine | 0.00 mg |
Is romaine lettuce healthier than iceberg?
Generally, yes. Romaine is higher in vitamins A, C, and K, as well as folate and fiber. However, iceberg is very low in calories and high in water content, so both can fit into a healthy diet.
Why is the outer part of romaine sometimes bitter?
The outer, darker green leaves are more exposed to sunlight, which increases the production of compounds like lactucaxanthin, which can impart a slightly bitter taste. They are also more fibrous. Many people prefer the milder, sweeter inner heart.
How do I keep romaine lettuce fresh longer?
Wash and thoroughly dry the leaves, then wrap them in a dry paper towel and store in a sealed container or bag in the crisper drawer. The paper towel absorbs excess moisture, which is the main cause of wilting and slime.