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Oxygen
absorbers
Oxygen absorbers are designed to absorb oxygen not
only around foodstuffs but also any dissolved oxygen within the
foods. Removal of oxygen protects against mould growth, insect
growth and rancidity, loss of nutritive values, colour change
and loss of flavours due to oxidation.
Our range includes sachet and label form and we offer
two different brands, O-Buster or 504 sachets. These sachets irreversibly
absorb oxygen inside sealed packaging, reducing oxygen levels
to less than 0.01% and they will maintain this level even with
the ingress of oxygen into the product package over time.
 Advantages:
- Oxygen content is reduced within a few hours.
- Prevents growth of aerobic pathogens and spoilage organisms,
including moulds and extends shelf life.
- Eliminates/reduces the need for using preservatives such as
sulphur dioxide, sorbates, BHT's, benzoates, etc.
- Compatible with gas flushing/vacuum packaging to absorb any
oxygen not flushed or removed during packing, and will continue
to absorb any oxygen that may permeate the product package over
time.
O-Buster
& 504 Oxygen Absorbers vs. Ordinary Technologies
Packaging
Method |
Results |
Benefits |
O-Buster
& 504 |
Reduces and maintains the oxygen level in packaging
to below 0.01% and maintains this level despite oxygen ingress. |
Eliminates spoilage, organisms and oxidative chemical reactions
in packaging. Extends shelf life more so than other technologies. |
Vacuum &
Back Flush |
Achieves 0.5 - 2% residual oxygen levels. |
Temporarily controls aerobic microbial growth. |
Gas
Flushing |
Approximately 0.5% to 5% oxygen levels. |
Provides some control of aerobic microbial growth. |
O-Buster & 504 sachets are effective with many kinds of packaging
materials including EVOH and PVDC. Some important considerations
to keep in mind regarding certain types of packaging include:
- An adequate barrier should be used - plastic film must be
checked for its oxygen permeability.
- Hermetic seals are essential - non-hermetic seals reduce shelf
life by using up the oxygen absorber capacity prematurely.
- Package geometry - the package must be designed so as to allow
free circulation of air around the product.
Example of Specific Benefits:
- Significantly improves keeping qualities of polyunsaturated
fats and oils.
- Helps retain fresh-roasted flavour of nuts.
- Prevents oxidation of spice oleoresins present in spices themselves
and in seasoned foods .
- Prevents oxidation of vitamins A, C and E and extends life
of nutraceuticals.
- Inhibits mould in natural cheeses and other fermented dairy
products.
- Inhibits oxidation and condensation of red pigment of many
berries and sauces.
Typical Applications Include:
- Breads, biscuits, cakes, pastries
- Nuts and snacks
- Beef Jerky and Biltong
- Lamb, Beef, Pork and chicken
- Confectioneries
- Herbal tea
- Whole fat dry foods
- Processed, smoked and cured meats and fish
- Cheeses and dairy products
- Pharmaceutical's and vitamins
- Dried fruits and vegetables
- Spices and seasonings
- Flour and grain items
- Fresh and pre-cooked pasta
- Medical diagnostic kits and devices
- Pet food
- Museum and Artwork preservation
- Bio Certified and organic products
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