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Fresh vs frozen

Fresh vs frozen

We’ve always been told that fresh is better than frozen. But is that really the case? Here are some reasons why frozen vegetables are actually cooler than fresh.

  • Fresh and ripe: Our food is picked or harvested at the peak of its freshness and ripeness, and snap frozen within hours. This maximises nutrient levels, keeping those levels similar to fresh food. In fact, our frozen food may nutrient levels be even higher when compared to food that has been picked fresh but is kept for days before it’s used.
  • Snap efficiency: The snap freezing process is highly efficient and very fast, preventing the formation of ice crystals which can damage food by changing its texture and taste.
  • Bacteria, be gone: Freezing is a natural way of preventing nasty bacterial growth. It also eliminates the need for undesirable chemical preservatives.
  • Looking good: Freezing is an ideal storage method for vegetables as it ensures colour, flavour and texture are maintained for long periods.
  • No great loss: Freezing causes very little nutrient loss and preserves the vitamins in food.
  • No sweat: Due to low freezing temperatures, frozen vegetables are not susceptible to heat damage, as is the case with some other methods of preservation.
  • Readily available: Frozen food makes it possible to add more variety to your menu by ensuring you can obtain out of season vegetables all year round.
  • Reusable: Modern freezing techniques, such as Individually Quick Frozen (IQF) methods make portion control and serving easier while minimising wastage – frozen products such as berries are free-flowing so you can use only what you need, then reseal the pack and return it to the freezer until required.
  • Energy saver: Many frozen foods require only light cooking and can be quickly prepared with minimal energy.
  • That shelf life: Frozen food has a much longer storage life than fresh.
  • The right price: Frozen food is often a more cost-effective choice than fresh food – it is competitively priced and often offers more consistency of product.

McCain freezing methods include:

  • Blast freezing – trays of uncovered product are placed on racks in an insulated tunnel or room. Air at -29°C is blown through at high velocity. The process takes between three and 12 hours.
  • Plate freezing – product is sandwiched between refrigerated plates for 30-90 minutes.
  • Belt/tunnel freezing – uncovered product enters an enclosure on a perforated belt and makes contact with high velocity air at a temperature of -30°C. This process can be completed in as little as 3-5 minutes.
  • Individually Quick Frozen (IQF) – this process is similar to belt or tunnel freezing, but in this case the air velocity is so high that product is partially fluidised, therefore completely surrounded by cold air. IQF products freeze so quickly that they don’t weld together. The process is particularly suitable for peas, mushrooms and other products which need to be free-flowing from the packaging while frozen.

 

Source: http://mccainfoodservice.com.au/professional-advice/frozen-vs-fresh-the-case-for-frozen-vegetables/

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