freeze-drying

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Related to freeze-drying: lyophilizer

freeze-drying

[frēz´-dri″ing]

a method of tissue preparation in which the tissue specimen is frozen and then dehydrated at low temperature in a high vacuum. See also lyophilization.

ly·oph·i·li·za·tion

(lī-of'i-li-zā'shŭn),

1. The process of isolating a solid substance from solution by freezing the solution and evaporating the ice under vacuum.

2. The process of imparting lyophilic properties to a substance.

Synonym(s): freeze-drying

freeze-drying

/freeze-dry·ing/ (frēz-dri´ing) a method of tissue preparation in which the tissue specimen is frozen and then dehydrated at low temperature in a high vacuum.

ly·oph·i·li·za·tion

(lī-of'i-lī-zā'shŭn)

The process of isolating a solid substance from solution by freezing the solution and evaporating the ice under vacuum.
Synonym(s): freeze-drying.

freeze-drying

a process by which biological material can be preserved by removal of water under a vacuum while the material is frozen.

freeze-drying,

n a method for preparing herbs or glandular extracts in which the material is rapidly frozen to between −40° F and −60° F and then dried under vacuum. This method ensures preservation of biologically active molecules in the extracts.

freeze-drying

1. a method of tissue preparation in which the tissue specimen is frozen and then dehydrated at low temperature in a high vacuum. See also lyophilization.

2. a process of removing water from frozen foods or vaccines. The material must be powdered, sliced or diced and be stored in moisture-proof containers.

References in periodicals archive ?

In addition, new PAT tools are in development including novel sensors distributed within the lyophilizer that can provide instantaneous readout of the system conditions during the freeze-drying cycle.

Incorporating Qbd into lyophilization manufacturing: using QbD principles in drug discovery and development, product quality can be predicted, controlled and consistently delivered

Use of alginate and cryo-protective sugars to improve the viability of lactic acid bacteria after freezing and freeze-drying.

Evaluation of cryoprotective potential of Jerusalem artichoke' inulin during freeze-drying and storage of Lactobacillus paracasei HII01

In general, the freeze-dried products cost the most, because freeze-drying is an energy-intensive process.

Dried and true: meat-rich dehydrated and freeze-dried dog foods have a lot to offer, especially to health-challenged and performance dogs

1 that freeze-drying and storage leads to a decline in the percentage of viable cells, but an increase in the number of viable but non cultivable cells.

Impact of protecting compounds on the viability, physiological state and lipid degradation of freeze-dried Pseudomonas Fluorescensbtp1 during storage

Freeze-dried bacteriocin powders were prepared by growing bacteriocin producers in dairy-based media, freezing the cell-free culture supernatants at -70 C, -85 C or -196 C, and then freeze-drying the samples.

Freeze-dried preparations of bacteriocins inhibit L. monocytogenes, S. aureus

Freeze-drying has the unique ability to preserve product in a dry state without loss of quality.

Chilling tales of technology

But through a vacuum freeze-drying procedure, the restoration firm was very successful in salvaging the documents, he said.

Damage control: quick responses by restoration firms can reduce the number of expensive claims

There are only a handful of freeze-drying companies in the United States.

MARRIAGE IN A BREAKFAST BOWL FUSION OF FRUIT, CEREALS PROVIDES A NEW FIELD FOR VENTURA COUNTY GROWERS, OTHERS

Lyoguard[R] Freeze-Dry Trays offer professionals in the pharmaceutical industry a cost-effective method of freeze-drying materials that results in a significant increase in product containment, decrease in product contamination, and dramatic reductions in clean up costs.

Freeze-dry trays

A thorough understanding of the process variables has led to the development of freeze-drying equipment that can preserve the physical and chemical characteristics of foods and other substances throughout the drying process, en-abling successful rehydration as well.

Improvements in Freeze Drying Expand Application Base

The Crowes, for example, have applied for a patent on a trehalose-based process for preserving liposomes with freeze-drying.

Death-defying dehydration: sugars sweeten survival for dried-out animals, membranes and cells