出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/05/19 22:48 UTC 版)
A packaging gas used to pack sensitive materials like food into a modified atmosphere environment. The gas used is usually inert, or of a nature that protects the integrity of the packaged goods, inhibiting unwanted chemical reactions such as food spoilage or oxidisation. Some may also serve as a propellant for aerosol sprays like cans of whipped cream. For packaging food the use of various gases is approved by regulatory organisations. Their E numbers are included in the following lists in parentheses: