Courtesy: USDA national nutrient database for standard reference ©2010 HowStaffWorks. Table 9.4. Micronutrients in various lettuce types (per 100 g fresh). Empty CellUnitsButterheadRomaineRed leafGreen leafIceberg Vitamin A IU 3312 8710 7492 7405 502 Vitamin B6 mg 0.082 0.074 0.100 0.09 0.042...
Fresh, whole crispheads wrapped in cellophane or precut salad in air-seal packs are available in supermarkets and groceries around the year. Choose iceberg lettuce featuring a fresh, round, firm head with no discoloration on the outer leaves. Avoid spongy or soft; freeze-injury, burst, or mis...
Fresh lettuce is easy to find in supermarkets and farmers' markets, as well as being simple to grow at home. There is a variety of different kinds to choose from, which when combined will create an interesting and flavorsome salad. Lettuce leaf tea can be bought online or in health shops...
The outer leaves are usually dark green. The Leaf lettuces come in many varieties, none of which form a head. The next three types are seldom seen in the United States: Latin lettuce looks like a cross between romaine and butterhead; stem lettuce has long, narrow leaves and thick, ...
The romaine, also known as cos lettuce, has elongated upright leaves forming a loose, loaf-shaped head and the outer leaves are usually dark green. Leaf lettuce comes in many varieties, none of which form a head, and include the green oak leaf variety. Latin lettuce looks like a cross ...
“Lettuce” refers herein to plants of the speciesLactuca sativaL. The most commonly eaten parts of a lettuce plant are the head or a leaf. The head comprises a core and leaves, which may be divided in inner and outer leaves. “Cultivated lettuce” refers to plants ofLactuca sativa(e.g...
The romaine, also known as cos lettuce, has elongated upright leaves forming a loose, loaf-shaped head and the outer leaves are usually dark green. Leaf lettuce comes in many varieties, none of which form a head, and include the green oak leaf variety. Latin lettuce looks like a cross ...
The romaine, also known as cos lettuce, has elongated upright leaves forming a loose, loaf-shaped head and the outer leaves are usually dark green. Leaf lettuce comes in many varieties, none of which form a head, and include the green oak leaf variety. The next three types are seldom ...
‘Rex’, a green butterhead lettuce, was chosen as it is one of the most common cultivars of butterhead lettuce in CEA and ‘Rouxai’, a red oak leaf lettuce, was chosen for red pigmentation expression within the leaves. The plants were germinated in 1” rockwool cubes and watered with...
and 26 °C) and PPFD (150 and 300 µmol·m−2·s−1) on red oakleaf lettuce (Lactuca sativa)‘Rouxaï RZ’ shoot fresh (A) and dry (B) mass, leaf number (D), growth index (F), and chroma (G), and green butterhead lettuce ‘Rex’ shoot dry mass (C) and leaf numbe...