Tester for testing putrescibility of inside of apple

The utility model belongs to the technical field of the food processing and relates to a tester for testing the putrescibility of inside of an apple. The tester comprises a rack, wherein an irradiating lamp, a turn plate, a cushion pad and a workbench are sequentially arranged on the rack from top to bottom, the turn plate is driven to rotate by a belt pulley, a plurality of optical filters which can be rotated to correspond to the irradiating lamp are arranged on the turn plate, a condensing lens is arranged between the turn plate and the cushion pad, the axis of the cushion pad is provided with a light transmitting through groove, the irradiating lamp, the condensing lens and the light transmitting through groove are formed in the same vertical direction, the workbench is fixed on a mounting plate, one end of the mounting plate is connected with the output shaft of a vertical lifting air cylinder, the other end of the mounting plate is arranged on a vertical guide rod in a clearance fitting manner, a detection groove coaxial with the light transmitting through groove is formed in the workbench, and a light transmission amount detector is arranged at the bottom of the detection groove. The tester has a simple structure and can judge the putrescibility of the apple by measuring the light transmission amount.