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Arka high humidity storage box for shelf life extension of Green leafy vegetables

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A high humidity storage box of size 740x515x210mm made of transparent acrylic sheet of 6mm thickness was designed, fabricated and evaluated for freshness retention of coriander leaves. Green leafy vegetables stored in novel high humidity storage box which maintained a temperature of 20°C and 95% RH had a shelf life of 3 days under ambient condition as compared to 2 days under commercial practice. Samples stored in the high humidity storage box had higher freshness retention compared to those stored in commercial practice. Moreover, green leafy vegetables stored in these boxes showed lesser physiological loss in weight (PLW%) better retention of ascorbic acid, iron and calcium compared to those stored under commercial practice. Therefore, novel custom designed zero energy high humidity storage box hold potential for storage and shelf life extension of green leafy vegetables.