• Denys J. Charles


Onion is a perennial or biennial herb with strong antioxidant properties and this correlates well with the total phenolic and flavonoid content. This chapter describes the botany, history, producing regions, flavor and aroma, parts used, and active constituents. The chapter also highlights the uses of onion in different recipes around the world. It is an important ingredient in all cuisines worldwide. Onion has been reported to have anticancer, antimicrobial, antibacterial, hypoglycemic, antiplatelet aggregation, antiasthmatic, antiallergic, lipid- and blood pressure-lowering, and antioxidant properties. Finally the medicinal uses, functional properties, and antioxidant properties of onion are discussed in great detail.


Onion Bulb Onion Skin Antiplatelet Aggregation Onion Extract Yellow Onion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Denys J. Charles
    • 1
  1. 1.Frontier Natural Products Co-opNorwayUSA

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