Which foods can be lyophilized with a freeze dryer
Which foods can be lyophilized with a freeze dryer
At present, thedryer is divided into an electric heating freeze dryer and a silicone oil heating freeze dryer.
Both of them are pre-freeze-dried in situ, reducing the cumbersome operation of drying and domestically, and achieving automation.
It adopts PLC control with programming function.
The main difference is that the temperature difference between the electric heating separators is large, and the products with high color requirements for individual samples are not recommended.
The temperature difference between the silicone oil heating separators is only plus or minus 1 degree, which is currently advanced and suitable for most samples. Preferred product for pharmaceutical units
The freeze-dried food of the freeze-drying machine has gradually entered our daily life because of its good preservation, good nutrition, easy to carry and easy storage. So, which foods can be lyophilized?
Almost all water-containing foods can be lyophilized, but for certain foods with high sugar content or gum content and foods with too low eutectic point temperature, lyophilization is relatively difficult. Examples of various types of foods that can be lyophilized are as follows:
○ Vegetables: shallots, carrots, garlic, onions, ginger, peppers, yam, spinach, cauliflower, green beans, edible fungi, etc.
○ Fruits: apples, peaches, pears, apricots, red dates, strawberries, bananas, pineapples, cantaloupes, etc.
○ Meat: beef, lamb, pork, chicken, snake meat, turtle, etc.
○ Aquatic products: fish fillets, shrimp, crab meat, cuttlefish, silver fish, etc.
○ Convenient foods: instant noodle accessories, beef noodles, meatballs, soups, pet food, etc.
○ Instant beverages: coffee, milk, soy milk, juice, royal jelly, etc.
○ Seasonings: Various seasonings for cooking.
○ Medicines: antler, deer blood, medlar, medlar, earthworm, ginseng, Codonopsis, angelica, rhubarb, various health foods, etc.
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