牢记这几类食物，隔夜就别再吃了！

Group 1 - The article emphasizes the importance of food safety during high temperatures, particularly regarding the consumption of cut fruits and leftover meals [1][11] - Cut watermelon should ideally be consumed fresh, and if stored, it should be wrapped and refrigerated, with a maximum storage time of 48 hours to prevent bacterial growth [1][3] - Leftover food, especially certain types like leafy greens and seafood, should be avoided due to the risk of spoilage and potential health hazards [4][8] Group 2 - Leafy vegetables can lose nutrients and become unsafe if stored improperly, as they may convert nitrates into harmful nitrites [6] - High-protein seafood can produce degradation products if not consumed on the same day, potentially causing gastrointestinal discomfort [8] - Starchy foods like potatoes should be sealed and frozen if not consumed immediately, to minimize bacterial growth [10] Group 3 - Recommendations for summer eating include preparing only what can be consumed in one sitting and ensuring any leftovers are properly stored and reheated before consumption [11][13] - The article outlines a "three do's and three don'ts" approach for summer food safety, emphasizing cooking food thoroughly, separating raw and cooked items, and avoiding the consumption of raw water and unwashed produce [13]