据生物学家通过对比实验发现，当横放的蔬菜已开始打蔫、变黄、明显失鲜时，竖放的蔬菜还要再过一天，才能出现这种情况。在放置两天后，横放的蔬菜与坚放的蔬菜相比，叶绿素、“磷酸腺苦的含量分别减少工20％和30％以上。据分析，这是因为横放的蔬菜为了尽量恢复其生长时的原 According to biologists through comparative experiments found that when the horizontal vegetables have begun to fight, yellow, obviously lost, the vertical release of vegetables even another day, to appear this situation. After placing for two days, compared with vegetables and vegetables placed horizontally, the content of chlorophyll and ghrelin decreased by 20% and 30%, respectively, according to the analysis, because of the horizontal growth of vegetables in order to restore its growth as much as possible When the original