Freeze drying can extend a food's shelf life, but how does it work? This article explains how freeze drying works, whether freeze dried foods are healthy, and tips for freeze drying at home.

Freeze-drying is complete when all the dry ice is gone (though, as before, you can test the food by removing a small piece and seeing if it turns black). This process should only take about a day.

Does your work require you to freeze dry samples? Are your results inconsistent? Is your freeze dry cycle taking too long? Learn how to optimize your lyophilization process. This webinar will discuss ...

Does your work require you to freeze dry samples? Are your results inconsistent? Is your freeze dry cycle taking too long? Learn how to optimize your lyophilization process. This webinar will discuss ...