Romaine Lettuce
"Crunchy freshness in every bite"
A crisp and flavorful leafy green, Romaine lettuce is a versatile staple in salads, sandwiches, and more.
Also known as
Romaine, Cos, Roman lettuce
Botanical name
Lactuca sativa
Product Details
PLU Code
4640
4-digit conventional code
Category
Vegetables
Lettuce › All Sizes
Origin
Belgium, Netherlands, and North America
Temperature
0°C (32°F)
Shelf Life
up to 4 weeks
Status
Approved
About Romaine Lettuce
It's a cool-season crop that grows best in temperate climates with moderate temperatures. The leaves are rich in vitamins A and K, and minerals like potassium.
Nutrition Information
Romaine lettuce is low in calories and rich in nutrients. One 100g serving of romaine lettuce contains approximately 17 kcal of energy.
Macronutrient breakdown for 100g of romaine lettuce is
2.3g of protein 1.4g of fat and 3.3g of carbohydrates
Vitamins and minerals present in romaine lettuce include
folate 100 µg
thiamin 0.05g
vitamin B6 0.07g
vitamin C 15 mg
vitamin A 171 µg as beta-carotene
potassium 333 mg and
manganese 0.25 mg
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
Breathable packaging, such as mesh bags or ventilated boxes
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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