Volume 91 Issue 20 | p. 31 | Concentrates
Issue Date: May 20, 2013 | Web Date: May 22, 2013

Eliminating Ethylene

Platinum nanoparticles on mesoporous silica oxidize fruit-ripening gas at low temperatures
Department: Science & Technology
News Channels: Materials SCENE, Biological SCENE, Environmental SCENE
Keywords: ethylene, ripening, ethylene oxidation, nanoparticles, fruit

Fruits, vegetables, and flowers release the growth-regulating plant hormone ethylene, which in turn accelerates their aging, causing them to release more of the volatile two-carbon compound. Left unchecked, a trace amount of ethylene can lead to spoiled produce, even in a refrigerated container. Chemists at Japan’s Hokkaido University are now offering a nanoscale solution. Atsushi Fukuoka, Chuanxia Jiang, and Kenji Hara show that platinum nanoparticles supported on mesoporous silica readily oxidize ethylene . . .

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