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Plum Group Foods

Ingredient format

Aseptic

Sterilized, then filled into sterile packaging: shelf-stable at room temperature until opened.

What it is

What Aseptic means

Aseptic product is sterilized and then filled into packaging that has itself been sterilized, in a closed, sterile environment. The fruit or vegetable, usually as a puree, a concentrate or small pieces, is heated to kill the microorganisms that would spoil it, cooled, and sealed into its package without ever being exposed to the outside air.

The result is shelf-stable. Unopened, it can be stored and shipped at room temperature, with no freezer or cooler needed. Once a package is opened it has to be handled like a fresh product and kept refrigerated.

Aseptic ingredients for manufacturing usually come in large sterile bags, often inside drums, totes or boxes, sized to be emptied into a batch.

How it compares

Aseptic versus similar formats

The formats buyers most often weigh it against, and what actually differs.

  • Aseptic vs.

    Canned

    Canned product is sealed in its container first and then heated in it, so the heat has to work its way through the whole can. Aseptic product is heated before it is packed, which usually means a shorter time at high temperature and less effect on color and flavor. Aseptic packs are also generally much larger than cans.

    About Canned →

  • Aseptic vs.

    Frozen Puree

    Frozen puree has to be kept frozen and thawed before use. Aseptic puree is stored at room temperature until opened, which saves on frozen storage and freight and removes the thawing step.

    About Frozen Puree →

  • Aseptic vs.

    HPP

    HPP (high pressure processing) uses pressure rather than heat to control microorganisms, so the product tastes closer to fresh. It is not shelf-stable, though: HPP product needs cold storage. Aseptic product is heat-treated and shelf-stable at room temperature until opened.

    About HPP →

In manufacturing

What it's used for

Aseptic is used where a manufacturer wants a consistent, ready-to-use puree or base without frozen storage. Common uses include:

  • Juices, smoothies and other beverages
  • Sauces, salsas and dressings
  • Fruit preparations for yogurt and other dairy
  • Bakery fillings
  • Baby food and purees
  • Soups and soup bases

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