A method for preventing new-type browning of fresh-cut yam
A yam and browning technology, applied in the fields of fruit and vegetable preservation, food preservation, food science, etc., can solve the problems of high safety cost, environmental pollution, etc., and achieve the effect of high safety, broad market prospect, and high application value
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Embodiment 1
[0022] Select 10 kg of iron rod yams in the physiological maturity stage, without mechanical damage, and uniform in thickness.
[0023] Put the iron rod yam into the ultrasonic wave and clean it for 5min. The frequency of the ultrasonic cleaning is 40KHz. After peeling, it is cut into yam slices with a thickness of 0.3mm, put into 100ppm sodium hypochlorite solution, and clean for 10min. Soak in a compound solution of 4% ascorbic acid and 20ppm hypotaurine by mass percentage for 20 minutes, take it out, ventilate and drain it, put it in a PE fresh-keeping box, seal it with a plastic wrap, and store it at a constant temperature and constant temperature of 5°C and a relative humidity of 85%. Store in a wet box.
Embodiment 2
[0033] Select 10 kg of hairy yams that are in the physiological maturity stage, have no mechanical damage, and have uniform thickness.
[0034] Put hairy yam into ultrasonic wave and clean it for 10min. The frequency of said ultrasonic cleaning is 40KHz. After peeling, it is cut into yam slices with a thickness of 3mm, and then put into 100ppm sodium hypochlorite solution to clean it for 10min. Soak in the compound solution of ascorbic acid and 20ppm hypotaurine for 20 minutes, take it out, ventilate and drain it, put it into a PE fresh-keeping box, seal it with a plastic wrap, and store it in a constant temperature and humidity box with a temperature of 5°C and a relative humidity of 85%.
Embodiment 3
[0045] Select 10 kg of hairy yams that are in the physiological maturity stage, have no mechanical damage, and have uniform thickness.
[0046]Put the hairy yam into an ultrasonic wave and clean it for 10 minutes. The frequency of the ultrasonic cleaning is 40KHz. After peeling, it is cut into yam slices with a thickness of 3mm, and then put into a 100ppm sodium hypochlorite solution to clean it for 10 minutes. Soak in the composite solution of ascorbic acid and 10ppm hypotaurine for 1 hour, take it out, ventilate and drain it, put it into a PE fresh-keeping box, seal it with a plastic wrap, and store it in a constant temperature and humidity box with a temperature of 5°C and a relative humidity of 85%.
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