Vegetables
Romain lettuce
Synonym: cos lettuce
botanical name: Lactuca sativa var. longifolia
The origin of romaine lettuce is not clear. It probably comes from the Mediterranean region. Everywhere that head lettuce grows, romaine lettuce thrives as well. Romaine lettuce is seen at the markets more frequently in southern countries than in Germany.
Availability
Romaine lettuce is available the year round, but the supply is greatest from May to October.
Appearance, taste, characteristics
The loose head of romaine lettuce is oval. It can weigh up to 1 kg. The outer leaves are green, the inner ones yellow. They have a coarse quality firm, rough and crisp. There are also red varieties.
It was once the custom to bind romaine lettuce together in order that its heart remained yellow. Today, it has been bred to form a head by itself. Romaine lettuce tastes somewhat bitter and is very aromatic.
Ingredients
100 g contain:
|
RöRomaine lettuce, fresh |
|
| Energie (kcal) |
20 |
| Wasser (g) |
95 |
| Eiweiß (g) |
2 |
| Fett (g) |
- |
| Kohlenhydrate (g) |
2 |
| Ballaststoffe (g) |
1 |
| Vitamin C (mg) |
4 |
| Vitamin A (RÄ) (µg) |
40 |
| Kalium (mg) |
290 |
| Natrium (mg) |
8 |
| Calcium (mg) |
6 |
| Magnesium (mg) |
36 |
| Eisen (mg) |
1,0 |
Quality criteria, optimal storage conditions
If the leaves are wilted or yellowed, this indicates that the lettuce has been stored improperly. It should be fresh and crisp. Romaine lettuce will keep for 23 days in the refrigerator.
Form of consumption, use, processing, practical tips for preparation
Romaine lettuce can be eaten cooked or as a raw salad. The outer leaves and the hard ribs should be removed prior to eating. The inner leaves are best for salad, while the outer, somewhat firmer leaves can be steamed. The thick stems can also be eaten, prepared like asparagus. After being blanched briefly, romaine lettuce can be frozen.
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