Curium is a hard, brittle, radioactive silvery metal. It does not occur in nature and must be made in a nuclear reactor by neutron capture reactions from plutonium and americium isotopes. It tarnishes slowly in dry air at room temperature.
Romaine lettuce is a rich source of fiber and has very few calories, only 8 in a one-cup serving. In terms of vitamins, a cup of Romaine lettuce delivers more than 50% of your daily requirement for vitamin A, as well as significant levels of vitamin K and vitamin C.
Calories. Mesclun greens and romaine lettuce are both foods with a low energy density, which means they have a low calorie content compared to serving size. A 1-cup serving of mesclun greens contains just 10 calories, and the same size serving of shredded romaine lettuce contains 8 calories.ut you may wonder if one type of lettuce makes a better choice over another. When comparing mesclun greens, which are a mix of baby lettuces, to romaine lettuce, you will find that they both offer a number of health benefits, making either choice a healthy addition to your diet.