Ultrasonic-assisted oyster freezing method
The invention discloses a processing method for ultrasonic-assisted oyster freezing. The processing method comprises the following steps: shelling, meat taking, rinsing and sterilizing, soaking and preserving, ultrasonic-assisted soaking and freezing, freezing for ice film plating, and cryopreservat...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a processing method for ultrasonic-assisted oyster freezing. The processing method comprises the following steps: shelling, meat taking, rinsing and sterilizing, soaking and preserving, ultrasonic-assisted soaking and freezing, freezing for ice film plating, and cryopreservation. Ozone water is adopted for rinsing sterilization, the microbial membrane structure is destroyed, the ozone water is cleaner than clear water in rinsing, the sterilization effect is achieved, and the ozone water guarantees that the oysters have good quality before being frozen. An ultrasonic technology is combined with dipping freezing, so that the problems of long time, low freezing rate and the like of a traditional freezing method can be effectively solved. The method is assisted by ultrasonic waves for freezing oysters, the diameter of ice crystals formed during freezing is small, damage to muscle tissue of the oysters in the freezing storage process can be reduced, unfreezing loss can be reduced, and freez |
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