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<h4 class="logo">Oxygen Absorber Australia</h4>

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<ul>

<li><a href="#about">About</a></li>

<li><a href="mailto:info@wholesalegroup.com.au">Contact</a></li>

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<h1 class="hero_header">OxySorb Oxygen Absorbers</h1>

<p class="tagline">Australian supplier of oxygen absorbers, oxygen scavengers and silica gel desiccants.</p>

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<a href="https://www.wholesalegrouponline.com/15-oxygen-absorbers">Shop online today</a>

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<h2>What are oxygen absorbers?</h2>

<p>Oxygen absorbers, also called oxygen scavengers, are small sachets or packaging additives used to remove oxygen from sealed food, pharmaceutical and storage packaging. They help preserve product quality by reducing oxidation and supporting shelf-life extension.</p>

<p>Most commercial oxygen absorbers are iron-based because iron is cost-effective and readily oxidised. Other systems may use ascorbic acid, zinc, manganese, boron or other compounds, but these are generally more expensive or used for specialised applications.</p>

<h2>How OxySorb works</h2>

<p>When an oxygen absorber is removed from low oxygen transmission master packaging, atmospheric moisture activates the sachet. Moisture is adsorbed by the activated carbon and reacts with iron particles, with salt acting as a catalyst. The iron oxidises to form iron oxide and oxygen levels in a sealed pack can fall below 0.01%. Approximately 1 g of iron can absorb about 300 mL of oxygen.</p>

<p>OxySorb oxygen absorber capacities include 20 cc, 50 cc, 100 cc, 200 cc, 300 cc, 400 cc, 500 cc, 1000 cc and 2000 cc.</p>

<p>The simplified reaction is:</p>

<p>Figure 1. Chemical reaction of an iron-based oxygen absorber.</p>

<h2>Main benefits</h2>

<ul>

<li>Reduces oxidation of flavour compounds in coffee, nuts, spices and seasoned foods.</li>

<li>Helps protect vitamins A, C and E and can extend shelf life of suitable products.</li>

<li>Inhibits mould growth in products such as bread, beef jerky and cheese.</li>

<li>Reduces non-enzymatic browning in selected fruit and vegetable products.</li>

<li>Supports oxygen deprivation control for insects and weevils in suitable storage, museum or gallery environments.</li>

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<h2>Oxygen indicator</h2>

<p>OxySorb oxygen absorbers are packed with an oxygen indicator. The indicator may contain methylthionine chloride, also known as methylene blue, at less than 1%, and Rhodamine dye at less than 1%. It changes from pink to blue when exposed to oxygen and atmospheric moisture.</p>

<h2>When an absorber may not be required</h2>

<p>Foods with water activity below 0.6 may not require an oxygen absorber if hermetically sealed in packaging with an oxygen transmission rate below 1 cc/m²/24 hours under ambient conditions.</p>

<h2>Choosing the correct absorber size</h2>

<p>Correct sizing should be confirmed with a technical specialist. Product water activity, moisture, headspace, package size, film barrier, oxygen transmission rate, expected shelf life, storage conditions, residual oxygen and product chemistry can all affect oxygen demand.</p>

<h2>Reuse as soil fertiliser</h2>

<p>OxySorb oxygen absorbers may also be reused as a soil fertiliser or conditioner. This application is described in an Australian patent registered by Wholesale Group International Pty Ltd, IP Australia Patent Number 2017101028.</p>

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<h2>Videos and SOPs</h2>

<p>For instructions on opening and resealing oxygen absorber and silica gel desiccant bags, see the videos below.</p>

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<h2>References and further reading</h2>

<p>Useful background includes the <a href="https://en.wikipedia.org/wiki/Oxygen_scavenger">oxygen scavenger overview</a>, the review by <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4375217/">Cichello 2015</a>, and the <a href="https://mobile.facebook.com/Oxygen-Absorber-Australia-254107208649490/">Oxygen Absorber Australia Facebook page</a>.</p>

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<h2>Traceability and intellectual property</h2>

<p>OxySorb technology includes biodegradable oxygen absorber and traceability developments. NutriBlock is a blockchain-based agri-food traceability system designed to trace batch manufacture, shipping, warehousing, dispatch and laboratory testing.</p>

<p>

<a href="https://nutriblock.io/">NutriBlock</a> |

<a href="https://pericles.ipaustralia.gov.au/ols/auspat/applicationDetails.do?applicationNo=2018101359">Traceability patent</a>

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<h3>SOP downloads and videos</h3>

<p><a href="https://www.youtube.com/watch?v=thNJPNi31mM">Video 1 - YouTube</a></p>

<p><a href="https://www.youtube.com/watch?v=aFpmVPvJzx8">Video 2 - Fresh, unoxidised oxygen absorber material</a></p>

<p><a href="https://www.youtube.com/watch?v=c_AfsiOTzTg">Video 3 - Resealing opened oxygen absorbers</a></p>

<p><a href="https://www.youtube.com/watch?v=6t29TNk7ecY">Video 4 - Oxygen absorber dispenser machine SOP</a></p>

<p><a href="Oxygen Absorbers Introduction.pdf">Oxygen Absorber Introduction</a></p>

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<h3>OxySorb intellectual property</h3>

<p><a href="https://search.ipaustralia.gov.au/trademarks/search/view/1456077?q=Wholesale+Group+International">OxySorb trademark Australia 1456077</a></p>

<p><a href="https://search.ipaustralia.gov.au/trademarks/search/view/1910214?q=OxySorb">OxySorb trademark Australia 1910214</a></p>

<p><a href="https://search.ipaustralia.gov.au/trademarks/search/view/1859027?q=OxySorb">OxySorb trademark Australia 1859027</a></p>

<p><a href="https://pericles.ipaustralia.gov.au/ols/auspat/applicationDetails.do?applicationNo=2017204636">Australian Patent 2017204636</a></p>

<p>Authorised distributor of the OxyFree trademark in Australia.</p>

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