Extraction,analysis and application of antimicrobial components from welsh onion
The abuse of antibiotics causes serious health and environment problems,leading to great significance for the discovery of new natural antimicrobial agents.Welsh onion,a common and popular vegetable in China,exhibits antibacterial,detoxifying and deodorizing effects.In particular,its antibacterial activity is mainly attributed to the organic sulfur compounds in the volatile oil of welsh onion.Herein,we summarized the recent advancement of welsh onion-derived antibacterial compounds regarding the extraction,analysis,antibacterial mechanism and actual applications.In addition,we presented the outlook for the welsh onion-derived antibacterial compounds.Hopefully,this review can provide guidance for full utilization of welsh onion resource,especially for the development of more natural antibacterial agents based on welsh onion.