New Use for High-Pressure Ar and N2 - 11/1/2012
Argon and nitrogen are the main gases used in modified atmosphere packaging (MAP), and studies have demonstrated their efficacy in reducing microbial growth and improving the quality retention of fresh produce.
Researchers have studied the effects of high-pressure argon and nitrogen on respiration rate, tissue browning and antioxidant power in fresh-cut pineapple.
The authors hypothesized that the inhibitory effect of HP Ar and HP N treatment on respiration rate and ethylene production may be due to the gas hydrate formation and residual Ar to N2 in micropores of pineapple wedges, which could limit the activity of intracellular water and enzymes in the fruits, thus slowing down their metabolic processes. Another explanation ould be that the HP Ar and HP N treatments create anaerobic conditions, thus both respiration rate and ethylene production are reduced.
Read the study and its findings here.
|11/27/2012||Welding Begins on Oregon Rail Project ...more | comments |
Welders will connect two, 80-foot lengths of rail by a thermite welding process that superheats aluminum, iron oxide and alloy elements to produce molten steel and permanently join the rails.
|11/27/2012||Airgas Chairman Sells 1.2 Million Shares ...more | comments |
Peter McCausland sells 1.2 million shares of Airgas common stock in privately negotiated overnight block trade.
|11/27/2012||New Gas Process for Controlled Ripening ...more | comments |
Researchers set to revolutionize fresh fruit industry with new technology that converts ethylene gas into a powder form.
|11/26/2012||Specialty Gas Growth Projections ...more | comments |
Report indicates slow and modest growth.
|11/26/2012||ITW Names Successor ...more | comments |
David Speer, ITW chairman and CEO, dies after illness. Scott Santi named successor.
|11/26/2012||Cee Kay Supply Healthy Employer Finalist ...more | comments |
Wellness program improves worker health.
|11/21/2012||Lucas-Milhaupt Acquires Inmet ...more | comments |
Company buys alloy maker and expands product line.
|11/21/2012||LNG Plant For Southwest Florida ...more | comments |
Air Products to build LNG plant in Florida.
|11/21/2012||Low-Supply Helium Makes Parade Appearance ...more | comments |
Should we be wasting our dwindling supply of helium on floating cartoon characters?
|11/14/2012||Lincoln Acquires Three Businesses ...more | comments |
Lincoln acquires shape cutting and engineered systems businesses.