Onion Powder

Commercial onion powders are prepared using dehydration, freeze-drying, vacuum-shelf drying and flow drying. Some commercial onion powders are irradiated as treatment against potential microbial contamination. It readily absorbs water upon contact, so commercial varieties may be packaged in airtight containers with a liner atop the container Onion powder with a moisture content of 4–5 percent is prone to caking when stored in warmer environments, with increased temperatures corresponding to a shorter time for the occurrence of caking.Of general acceptance is that commercial onion powder is around ten times stronger in flavor compared to fresh onion