Journal
FOOD PACKAGING AND SHELF LIFE
Volume 4, Issue -, Pages 1-9Publisher
ELSEVIER
DOI: 10.1016/j.fpsl.2015.02.001
Keywords
Green chillies; MAP; Shelf life; Postharvest quality; Capsaicin
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The effect of passive modified atmosphere packaging (MAP) on postharvest shelf-life of green chillies was studied. Different types of polymeric packaging films such as microporous, low density polyethylene (PE-LD), polyolefin and anti-fog films were used for MAP of green chillies. The respiration rate of the chillies varied significantly (p < 0.05) among the control and modified atmosphere packed samples during storage at 8 +/- 1 degrees C (RH 85-95%). The anti-fog film packed chillies showed low respiration rates (19 mg CO2 kg/h) by delaying the progress in senescence. The physico-chemical characteristics of modified atmosphere packed and control chillies also showed significant (p < 0.05) changes in terms of physiological loss in weight, firmness, skin colour and ascorbic acid content. An increase in total phenolic content was observed in chillies, whereas a decrease in total antioxidant activity and capsaicin content was observed with progress in senescence during storage at 8 +/- 1 degrees C. The anti-fog film packed samples maintained pigment stability for a longer duration as compared to samples packed in other films. A shelf-life of 16, 18, 22 and 28 days was observed in chillies packed in microporous, PE-LD, polyolefin and anti-fog films, respectively, as compared to 15 days in the case of control samples. Anti-fog (RD45) film was effective to maintain postharvest quality of green chillies during low temperature storage (8 +/- 1 degrees C, RH 85-95%). (C) 2015 Elsevier Ltd. All rights reserved.
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