PROBLEM TO BE SOLVED: To provide a leaf vegetable which can be safely ingested.SOLUTION: Any one leaf vegetable of lettuce, Boston lettuce, Korean lettuce, komatsuna, or cabbage comprises: inner leaves located at a center part； outer leaves located at an outermost part； and middle leaves located in a middle between the inner leaves and the outer leaves； wherein the difference between the sodium content of the inner leaves and the sodium content of the middle leaves is greater than the difference between the sodium content of the middle leaves and the sodium content of the outer leaves, and the potassium content of the inner leaves is lower than the potassium content of the outer leaves.SELECTED DRAWING: Figure 3B【課題】安心して摂取できる葉野菜を提供する。【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、前記内葉のナトリウム含有量と前記中葉のナトリウム含有量との差が、前記中葉のナトリウム含有量と前記外葉のナトリウム含有量の差よりも大きく、前記内葉のカリウム含有量が前記外葉のカリウム含有量よりも少ない葉野菜。【選択図】図３Ｂ
