FreshUs - Oxygen Absorber
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FreshUs is oxygen absorber to protect packaged foods and other products against spoilage, mold growth, color change, loss of nutritive values, insect damage and loss of quality. By removing residual oxygen inside packaging to below 0.01% FreshUs effectively preserve packaged foods without use of food additives and preservatives. FreshUs not only extends shelf life but keeps product quality as was.

Compared to other packaging methods FreshUs shows better performance as shown in the chart below. FreshUs can replace or combine with these conventional Gas Flushing or Vacuum and back flushing methods to ensure product quality and extend shelf life.

Packaging Method
Gas Flushing
Approximately 0.5% to 5%
Residual Oxygen
Provides Some Control of
Aerobic Microbial Growth
Vacuum and
Back Flush
Achieves as little as 0.1%
Residual Oxygen
Controls Microbial Growth
Reduces and maintains Oxygen
content in packaging to below
Eliminates Aerobic Microbial
Growth and Oxidative Chemical
Reactions in Packaging
* Mold has been shown to grow in 20 days at 25 deg C at 0.2% residual oxygen (From "Techniques for the preservation of food by employment of an oxygen absorber," Nakamura and Hoshino, 1983)

S-type FreshUs is self activated type of FreshUs among several different types. S-type is used for dry foods and in an environment where not much moisture exists.


• Extends shelf life
• Keeps freshness and quality of food
• Prevents growth of molds and microorganism
• Prevents discoloration of food
• No need of moisture to activate
• Fast reaction


• Beef jerky & other dried meats
• Flour & grain items
• Spices & seasonings
• Nuts & snacks
• Dried fruits & vegetables
• Candies & confectionaries
• Bird seed & pet food
• Breads & cakes
• Cookies & pastries
• Pizza
• Tortilla
• Dietary supplements
• Vitamin & pharmaceuticals
• Art works

      950 W. Central Ave., Ste. C, Brea, CA 92821 | Tel : 714.529.4142 | Fax : 714.529.4780 |
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