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ThesisItem Open Access Drying Of Red Chillies (Capsicum Annum L.)And Its Subsequent Effect On Storage(Punjab Agricultural University; Ludhiana, 2005) Tarsem Chand; Jarnail SinghThesisItem Open Access Design and evaluation of modified atmosphere packaging for litchi (Litchi chinensis Sonn.)(PAU, 2014) Virk, Ramandeep KaurThe study on design and evaluation of modified atmosphere packaging for litchi was undertaken to select the suitable polymeric film for extending the shelf-life of litchi based on respiration rate of litchi and permeability of commercially available films at different temperatures. The litchi fruits of cv. Culcuttia were packed in LDPE (100 gauge) without perforations, 12, 14 and 16 perforations. The fruits were stored under room temperature (40±3°C and 40-65% RH) and low temperature (2±1°C and 93-95% RH). Control fruits were also kept at both storage conditions. The analysis was carried out to estimate the quality and shelf-life of stored litchi. It was found that LDPE (100 gauge) with 14 perforations of 0.5mm was the best film for extending the shelf-life of litchi. To enhance the effect of MAP on litchi, various postharvest treatments viz. Sulphur fumigation, acid treatments (0.25 and 0.5% salicylic acid, 2 and 4% citric acid and 2 and 4% hydrochloric acid) alone and in combination with sulphur fumigation were given to litchi fruits. Among the postharvest treatments, the fruits treated with SO2+HCl (2 and 4%)+perforated LDPE and SO2+ 4%CA+ perforated LDPE were able to retain the overall quality of fruits for maximum storage duration of 28 days.ThesisItem Restricted Studies On Drying Behaviour Of Red Chillies (Capsicum Annum) In Solar Dryers(Punjab Agricultural University; Ludhiana, 2005) Mehta, Sanjeev; Amarjit Singh