Onion powder

Onion powder is dehydrated, ground onion that is commonly used as a seasoning.[1] It is a common ingredient in seasoned salt and spice mixes,[1] such as beau monde seasoning.[2] Some varieties are prepared using toasted onion.[1][3] White, yellow and red onions may be used.[1] Onion powder is a commercially prepared food product that has several culinary uses. Onion powder can also be homemade.[4]

Onion powder

Onion salt is a spice preparation using dried onion and salt as primary ingredients.

Commercial production

Commercial onion powders are prepared using dehydration, freeze-drying, vacuum-shelf drying and flow drying.[5] Some commercial onion powders are irradiated as treatment against potential microbial contamination.[6] It readily absorbs water upon contact, so commercial varieties may be packaged in airtight containers with a liner atop the container.[7] 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.[8] Of general acceptance is that commercial onion powder is around ten times stronger in flavor compared to fresh onion.[7]

Onion salt

Early commercial preparations of onion salt were simply a mixture of onion powder and salt.[9] An example ratio for earlier commercial preparations is one part salt to every five parts of dehydrated onion.[9] Contemporary versions typically utilize dried granulated onion and salt, and usually include an anticaking agent.[10] The salt may serve to prevent the loss of onion flavor in the mixture, by preventing the evaporation of onion oil.[9] The development of commercial onion salt preparations included formulating products that reduced the strong odor of onion in the product and on the breath of consumers who eat it.[9]

Commercial preparation of onion salt involves the testing and sorting of onions by the degree of onion flavor they have, as flavor constituents can vary considerably among various onion varieties.[9] This is performed prior to mixing, in order to produce a consistent final product.[9] Some commercial onion salt preparations are never touched by human hands, as the stages of processing are all performed using automated processes.[9]

Culinary uses

Onion powder may be used as a seasoning atop a variety of foods and dishes, such as pasta, pizza, and grilled chicken. It is also a primary ingredient in beau monde seasoning.[2] It is also sometimes used as a meat rub.[1] Onion powder is also an ingredient in some commercially prepared foods, such as sauces, soups,[11] and salad dressings. It can also be used in many other recipes such as burgers or meatloaf.

Onion salt is used as a seasoning atop finished dishes[9] and as an ingredient in many types of dishes, such as meat and vegetable dishes, casseroles and soups.

See also

References
  1. Engineers, N.B.C. (2015). The Complete Book on Onion & Garlic Cultivation with Processing (Production of Onion Paste, Flakes, Powder & Garlic Paste, Powder, Flakes, Oil). pp. 169–175. ISBN 978-81-7833-159-1.
  2. Whaley, E. (1998). Mrs. Whaley Entertains: Advice, Opinions, and 100 Recipes from a Charleston Kitchen. Algonquin Books. p. 117. ISBN 978-1-56512-782-1.
  3. Lusas, E.W.; Rooney, L.W. (2001). Snack Foods Processing. CRC Press. p. 510. ISBN 978-1-4200-1254-5.
  4. Deming, Linda (August–September 2014). "Homemade Onion Powder". Mother Earth News. Retrieved September 18, 2015.
  5. Debnatha, Sukumar; Hemavathya, J, Bhat, K.K (September 2002). "Moisture sorption studies on onion powder". Food Chemistry. 78 (4): 479–482. doi:10.1016/S0308-8146(02)00161-9.CS1 maint: multiple names: authors list (link)
  6. Rabinowitch, H.D.; Brewster, J.L. (1989). Onions and Allied Crops: Biochemistry Food Science Minor Crops. Taylor & Francis. p. 80. ISBN 978-0-8493-6302-3.
  7. Heath, H.B. (1981). Source Book of Flavors: (AVI Sourcebook and Handbook Series). AVI sourcebook and handbook series. Springer. p. 154. ISBN 978-0-87055-370-7.
  8. Water Activity: Theory and Applications to Food. Ift Basic Symposium. Taylor & Francis. 1987. pp. 93–94. ISBN 978-0-8247-7759-3.
  9. Coffee and Tea Industries and the Flavor Field. Spice Mill Publishing Company. 1914. p. 77.
  10. Panda, H. (2010). Handbook on Spices and Condiments (Cultivation, Processing and Extraction). Asia Pacific Business Press Inc. p. 74. ISBN 978-81-7833-132-4.
  11. "Why onions can cause more than tears". BBC News. February 10, 2015. Retrieved September 18, 2015.

Further reading
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