PROBLEM TO BE SOLVED: To provide: a storable duration improving and anti-fading agent for green vegetable, the agent having both of superior fungistatic action and superior green fading prevention action； green vegetable-containing food products containing the storable duration improving and anti-fading agent of the green vegetable； and a storable duration improving and anti-fading method for green vegetable-containing food products using the storable duration improving and anti-fading agent for green vegetable.SOLUTION: A storable duration improving and anti-fading agent for green vegetable is provided which contains lysozyme, glycine or its salt, an organic acid or its acid salt, sodium acetate, an oxidation inhibitor, and a carbonate. Green vegetable-containing food products are provided which contain the storable duration improving and anti-fading agent for green vegetable, and a storable duration improving and anti-fading method for the green vegetable-containing food products using the storable duration improving and anti-fading agent for green vegetable is provided.【課題】優れた静菌作用と、優れた緑色の退色防止作用とを併せ持つ緑色野菜の日持向上及び退色防止剤、前記緑色野菜の日持向上及び退色防止剤を含有する緑色野菜含有食品、及び前記緑色野菜の日持向上及び退色防止剤を用いた緑色野菜含有食品の日持向上及び退色防止方法の提供。【解決手段】リゾチーム、グリシン乃至その塩、有機酸乃至その酸性塩、酢酸ナトリウム、酸化防止剤、及び炭酸塩を含有する緑色野菜の日持向上及び退色防止剤、前記緑色野菜の日持向上及び退色防止剤を含有する緑色野菜含有食品、及び前記緑色野菜の日持向上及び退色防止剤を用いた緑色野菜含有食品の日持向上及び退色防止方法である。【選択図】なし
