PROBLEM TO BE SOLVED: To provide leafy vegetables which can be safely ingested.SOLUTION: The present invention provides a leafy vegetable in which the difference between the potassium content of an inner leaf and the potassium content of an intermediate leaf is smaller than the difference between the potassium content of the intermediate leaf and the potassium content of an outer leaf and in which the potassium content of the outer leaf is greater than the potassium content of the inner leaf, in any leafy vegetable of lettuce, leaf lettuce, Korean lettuce, Brassica campestris or Brassica oleracea having the inner leaf located at the center part, the outer leaf located at the outermost part, and the intermediate leaf located between the inner leaf and the outer leaf.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のカリウム含有量よりも多い葉野菜。【選択図】図３Ａ
