Measuring device for fruit and vegetable living tissue undercooling point and freezing point and measuring method thereof
A measuring device and technology of supercooling point, which is applied in the field of freezing point measuring device and supercooling point of living tissue of fruits and vegetables, can solve the problems of not easy to measure freezing point, slow cooling rate of fruits and vegetables, and long experiment period, so as to shorten the time used for measurement, The effect of fast cooling rate and convenient operation
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[0040] Take cucumber as an example below to measure the subcooling point and freezing point of cucumber living tissue. The measurement method includes the following steps:
[0041] (a) First, open the constant temperature water bath box 1 and the constant temperature water bath pot 2, and set the temperature to 15°C to ensure that the environment inside the copper plate base 4 and the constant temperature water bath pot 3 is kept at a constant temperature of 15°C;
[0042] (b) switch 13 is turned on, and the output power of the voltage stabilized power supply 5 is adjusted according to the power requirements of different semiconductor refrigeration chips 3;
[0043](c) Cut the cucumber sample into a fixed size according to requirements and put it in the fruit and vegetable sample tank 10. The size and thickness of the cucumber sample and the fruit and vegetable sample tank 10 are the same, and there is no gap between the cucumber sample and the fruit and vegetable sample tank 1...
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