Culture dish of changeable colour

The utility model provides a culture dish of changeable colour, at the bottom of transparent ware lid and ware, constitute by the bilayer at the bottom of the ware, the central part at the bottom of the ware is equipped with the cavity, and reversible heat altered look material is filled inside to the sky, and this chromic material is the complex of crystal violet lactone, boric acid and tetradecyl alchohol. According to the change of colour, judge actual cultivation temperature very easily, be favorable to controlling bacterium growth and reproduction's best temperature. 本实用新型提供种可变色的培养皿，包括透明的皿盖和皿底，皿底由双层组成，在皿底的中央部位设有空腔，空内中填充可逆热变色材料，该变色材料为结晶紫内酯、硼酸和十四醇的复合物。根据颜色的变化，很容易判断实际的培养温度，有利于控制细菌生长繁殖的最佳温度。