Romaine Lettuce
"Adding a crunchy bite to your gourmet meals"
A crunchy and nutritious leafy green vegetable, prized for its delicate flavor and versatility in salads and cooking.
Also known as
Cos Lettuce, Loose-Leaf Lettuce, Roman Lettuce
Botanical name
Lactuca sativa
Product Details
PLU Code
3097
4-digit conventional code
Category
Vegetables
Lettuce › All Sizes
Origin
Originating from the Mediterranean region, with major producers including the United States, Mexico, and Italy.
Temperature
0°C (32°F)
Shelf Life
up to 4 weeks
Status
Approved
About Romaine Lettuce
Romaine Lettuce is rich in vitamins A and K, and is commonly used in salads, smoothies, and as a crunchy addition to sandwiches.
Nutrition Information
One hundred grams of romaine lettuce contains 23 kilocalories of energy, 4.8 grams of carbohydrates, 2.6 grams of fiber, 1.5 grams of sugar, and 2.1 grams of protein. It is rich in vitamins A and K, with 206 mcg of vitamin A and 136 mcg of vitamin K. It also contains essential minerals such as potassium, manganese, iron, and calcium.
Storage & Handling
Commercial storage guidance for all lettuce types: crisphead/iceberg, butterhead, cos/romaine and leaf. Storage life depends on initial quality, maturity, cultivar and handling; this is not a household shelf-life guarantee.
Temperature
0°C (32°F)
Humidity
98-100%
Packaging
Keep leaves dry; avoid wrapping tightly; use breathable packaging
Shelf Life
up to 4 weeks
Storage Notes: Lettuce is easily damaged by freezing and by ethylene, which causes russet spotting, so keep it just above freezing at very high humidity and away from ethylene-producing produce. Sensitive to ethylene: keep away from ethylene-producing fruit. Highest freezing point: -0.2°C. Source: USDA Agriculture Handbook 66 (rev. 2016).
Source: USDA Agriculture Handbook 66 (rev. 2016), pp. 386-389.
Applies to: all lettuce types: crisphead/iceberg, butterhead, cos/romaine and leaf.
Not verified by this source: packaging (retained from earlier enrichment).
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PLU Reference
4-digit codes: Conventional produce
93000-94999: Organic form of an assigned 3000-4999 code
83000 series: Future conventional assignments
84000 series: Corresponding future organic assignments
Prefix 8: Has no standalone GMO significance
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