Prickly Pear Fruit Powder Freeze Dryer

Prickly Pear Fruit Powder Freeze Dryer

The SOD contained in the prickly pear is a biologically active ingredient with poor stability. The vacuum freeze dryer can keep the activity of the active ingredient to the greatest extent in the processing and application of the prickly pear freeze-dried powder, avoid the damage of the active ingredient, and facilitate long-term storage and transportation. and sales.

Vacuum freeze dryer in prickly pear freeze-dried powder process and freeze-drying technology; vacuum freeze dryer in prickly pear freeze-dried powder process: raw material pretreatment - pre-freezing - sublimation drying (primary drying) - analytical drying ( Secondary drying) -- crushing -- packaging and storage.

Freeze-drying technology of prickly pear freeze-dried powder:

(1) The melting point of prickly pear juice is -26 to -24°C.

(2) The best process parameters for freeze-drying are: the thickness of the material is 1.4-1.6 cm; the cooling range in the pre-freezing stage is 0.4-0.5 °C/min; the heating temperature of the shelf in the sublimation stage should be controlled below 25 °C, The vacuum degree in the sublimation stage is 60-100Pa; the temperature in the analysis stage should be controlled below 55℃, and the vacuum degree is 20-50Pa; the whole freeze-drying cycle is about 17h. (3) The quality of the product obtained by freeze-drying is good, the SOD is basically not inactivated, the enzyme activity retention rate is above 95%, and the water content is less than 4%.

The prickly pear fruit powder freeze dryer is suitable for the production of all kinds of freeze-dried powder (freeze-dried strawberry powder, freeze-dried mango powder, freeze-dried celery powder, freeze-dried tea powder, freeze-dried milk powder...). Welcome to leave a message for consultation.

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