Loss of water soluble nutrients and longer drying duration
in conventional water blanching and hot air drying could
be responsible for above observation. reported higher vitamin C retention in MW dry-blanched bell
pepper as compared to water blanched. Long drying time also
leads to flavour, colour and nutrients loss in the products The results
showed that the combination of IR dry blanching and IR based
hybrid drying yields better product quality in terms of water
soluble nutrients.