What are the advantages & disadvantages of freeze drying? (2024)

Table of Contents
In general Advantages: Disadvantages: At home Advantages: Could be good or bad: Disadvantages: Read our most recent blog posts about freeze drying : Unboxing and Setup of the Harvest Right XL Freeze Dryer: A Closer Look 3 Freeze Dryer Sizes Compared – Freeze Drying Corn The Freeze Dryer Doesn’t Store the Data Logs Forever – Lesson Learned Freeze Drying Watermelon sticks Chopping potatoes quickly for freeze drying Making silicone mats for the 3-tray freeze dryer Making Freeze-dried Strawberry Powder Food temperature monitor – take-1 Freeze-dried Skittles How much does it costs to freeze dry Pork Chops?

In general

Advantages:

  • Great snacks
  • Little to no chemical changes to food
  • Little physical changes to food
  • Nutritional value is almost completelymaintained – it is healthy
  • Long-term storage — 20+ years
  • Lightweight food
  • No refrigeration required

Disadvantages:

  • Water required for reconstitution (except for simple snacks)
  • Slow process — average cycle is 24+ hours
  • Some dislike the dry, styrofoam texture
  • Not all foods can be freeze dried
  • Airtight containers are required for long-term storage
  • No space savings — the food’s cellular structure is mostly retained
  • Sometimes, normal dehydration is better
  • Production cost

At home

Advantages:

  • Custom recipes
  • Great food variety
  • Allergy awareness
  • Self reliance
  • Knowledge & novelty
  • Food quality

Could be good or bad:

  • Learning curve
    • Machinery
    • Learning how different food types dry
    • Packaging

Disadvantages:

  • Cost (when comparing other food preservation methods)
    • Machine
    • Materials
    • Time
    • Power consumption
      • Freeze drying is one of the most energy-intensive methods to preserve food [source]
    • Machine maintenance
  • Noise [source]
  • Space / Footprint
  • Commercial vendors can flash freeze products before placing it in the freeze dryer
    • Flash freezing creates smaller ice crystals, which causes less damage to the cell structures

Read our most recent blog posts about freeze drying :

What are the advantages & disadvantages of freeze drying? (2024)
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