News in the onion postharvest knowledge

Onions are a cornerstone of global agriculture and gastronomy, with worldwide production around 85-90 million tons annually. India and China account for almost 50% of global production, followed by the United States, Egypt, and Turkey.

The Netherlands is the world's largest exporter by volume, closely followed by India and Spain. Export growth is observed from countries like Egypt and Peru, which are gaining market share in Europe during the off-season months (when there is no local harvest).

The following are advances in post-harvest handling based on papers published during 2025.

Contents

• Review about nutritional benefits, post-harvest challenges, and innovative preservation strategies of onions
• Postharvest of the IGP Red Onion of Tropea Calabria
• Ozono can improve onion storage
• Preservation of fresh cut onions using 0.05% sodium benzoate
• Other realities 
  • Current scenarios in onion postharvest management in India
  • Mitigation of postharvest losses in India
  • Characterization of 3 onion pathogens, Penicillium spp., Fusarium spp., and Colletotrichum spp in India
  • Viability of an onion dehydrator in Philippines
  • Study about storage for sub-Saharan África conditions
  • Production and postharvest constraints in Ethiopia
  • Fungal species affecting onions during postharvest in Nigeria
  • Postharvest loses in onion (and pepper) in Nigeria
• Green onions
  • Calcined oyster shell powder,  4% to 6%, maintained the overall quality of green onions under refrigeration
  • Post-Harvest Safety Enhancement: Combatting Antibiotic-Resistant Pathogens on Retail Fresh Green Onions

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Picture, https://www.calfruitos.com/es/blog/tipo-de-cebollas-usos-y-propiedades-289