PROBLEM TO BE SOLVED: To provide a leaf vegetable which can be safely ingested.SOLUTION: The present invention relate to any one of leaf vegetables of lettuce, Boston lettuce, Korean lettuce, komatsuna or cabbage, which comprises an inner lobe located at the center part, an outer lobe located at the outermost part, and a middle lobe located between the inner lobe and the outer lobe, wherein the difference between the potassium content of the inner lobe and the potassium content of the middle lobe is smaller than the difference between the potassium content of the middle lobe and the potassium content of the outer lobe, and the potassium content of the outer lobe is higher than the potassium content of the middle lobe.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、外葉のカリウム含有量が中葉のカリウム含有量よりも多い葉野菜。【選択図】図３Ａ
