PROBLEM TO BE SOLVED: To provide a leafy vegetable which can be ingested at ease.SOLUTION: There is provided a leafy vegetable of any of lettuce, Boston lettuce, Korean lettuce, Japanese mustard spinach or cabbage which has inner leaves positioned at the center portion, outer leaves positioned at the outermost portion and middle leaves positioned in the middle between the inner leaves and the outer leaves, wherein the difference between the potassium content of the inner leaves and the potassium content of the middle leaves is smaller than the difference between the potassium content of the middle leaves and the potassium content of the outer leaves and the potassium content of the outer leaves is larger than the potassium content of the inner leaves and the middle leaves.SELECTED DRAWING: Figure 3A【課題】安心して摂取できる葉野菜を提供すること。【解決手段】中心部に位置する内葉と、最外部に位置する外葉と、前記内葉と前記外葉との間の中間に位置する中葉と、を備えるレタス、サラダ菜、サンチュ、コマツナまたはキャベツのいずれかの葉野菜において、前記内葉のカリウム含有量と前記中葉のカリウム含有量との差が、前記中葉のカリウム含有量と前記外葉のカリウム含有量の差よりも小さく、前記外葉のカリウム含有量が前記内葉および前記中葉のカリウム含有量よりも多い葉野菜。【選択図】図３Ａ
