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freeze-drying |
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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.
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.
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. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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