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Brief Hot-Water Dip Helps Keep Apples Fresh, With Variety-Specific Risks

Guides recommend 50–55 C water for about one minute to kill surface fungi without damaging sensitive fruit.

Overview

  • The heat treatment targets fungal spores on the peel that often lead to rot during storage.
  • Reports caution that Gala and Elstar can develop brown spots, while Boskoop and Jonagold generally tolerate the dip better.
  • Coverage presents the dip as a complement to cool, dark, humidity-controlled storage rather than a replacement.
  • Growers and fruit traders also employ hot-water treatments to protect larger quantities from spoilage.
  • Consumers are advised to test a small batch first because the parameters reflect practical guidance, not universal scientific consensus.