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Removing water quickly is very important because the longer a harvested plant or compound retains water, the higher the chance it has of spoiling, losing nutrition, and losing potency.

The only downside is that the interior is now so cold that defrost time has doubled! I use a large high volume fan to defrost the unit, not the heat trays. It used to be a 15 minute job, now it is closer to 30 minutes.

The current and emerging food crisis in the United States has millions of Americans very concerned about the future. From supply chain shenanigans to food processing plants “inexplicably” being compromised to bird flu decimating the poultry industry, it’s no wonder there has been a sharp rise in the “prepper” food industry.

That means that if you find any authorized online retailer that has a lower price than us, just let us know and we'll match their price!

Monitoring the FDer internal temps and once I see -40F I start the dry cycle, except for high sugar content food which I give an Em excesso hour. I'm still experimenting with Ice cream and a few fruits to determine optimal freeze time to get the best results. The cooling cycle ends up much shorter.

The bottom line regarding freeze-dried food is that hoe freeze dryers are an investment! An investment that pays you back and makes you more resilient in the process.

Learn how to safely preserve berries through a variety of methods, such as canning, freezing and other methods.

Used freeze-dryers can be purchased from previous owners, or sometimes the manufacturer will have returned units refurbished for sale.

Before purchasing a freeze dryer (an expensive product and therefore a large investment), it’s important to know a reliable place to buy it from.

Most other methods for extracting water also destroy enzymes and terpenes due to heat being used in the extraction process. Because freeze drying does not use heat during operation, the enzymes and terpenes in freeze dried products are not destroyed.

Never buy a freeze-dryer that isn’t sold by a reputable brand or any location that could have tampered with the device. Most companies vet their authorized resellers extensively, so they may be safe. However, used units sold elsewhere may not have been re-tested by the manufacturer for issues.

Odds are the problem is the vacuum hose or its end connections, the drain valve, or the door gasket. Based upon my experience I'd double check the fittings while installed on the FDer.

Place the product on the trays and push the button to start the machine. Freeze-drying can preserve foods other preservation methods cannot, such as most get more info dairy or egg products.

As long as the food is dried to a low residual moisture, vacuum packaging is safe. Remember, vacuum packaging is not a food safety process itself. In fact, removing oxygen from a package may make it more of a concern for the botulism bacteria to grow and produce toxin if there is a moist environment.