A Comparative Study of Suitability of Low-Density Polyethylene and Coextruded Laminate Pouches for Storage Stability and Shelf Life Prediction of Instant Puran Powder

  • Nilesh Balasaheb Kardile
  • Prabhat Kumar NemaEmail author
  • Barjinder Pal Kaur
  • Shubhangi Mahadeo Thakre
Research Article


Puran is a stuffing of puran poli (sweet flat bread)—an Indian traditional cuisine made from a mixture of cooked chickpea splits and jaggery. The shelf life of puran and puran poli is just 2 days under ambient conditions which guarantors the intervention of packaging studies for the product. This work is the first-ever report on the packaging and shelf life study of puran powder to the best of our knowledge. In this work, instant puran powder (IPP) by vacuum drying (at 60 °C) was prepared to reduce the processing time of puran poli, while increasing its storability. IPP was packed in low-density polyethylene (LDPE) and coextruded laminate (CL) pouches. Shelf life prediction was done using the developed kinetic models based on moisture content and water activity. Accelerated storage study of IPP samples was conducted at 38 ± 2 °C and 90 ± 2% relative humidity (RH) over a 4-month period. The IPP packed in LDPE showed significant (p < 0.05) increase in adsorbed moisture, water activity, total color difference and browning index throughout the storage period in both the storage conditions. On the other hand, the IPP packed in CL pouches which were stored at 28 °C ± 2 °C and 75% RH was stable and acceptable throughout the storage period. The predicted shelf life of IPP packed in LDPE and CL pouches were 2.42 months and 13.41 months, respectively. The study clearly suggests that CL packing is more suitable for storage of IPP.


Puran poli Instant puran powder Accelerated storage Kinetic modeling Coextruded laminates Shelf life 


Compliance with ethical standards

Conflict of interest

There is no conflict of interest among the authors.


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Copyright information

© Indian Institute of Packaging 2019

Authors and Affiliations

  • Nilesh Balasaheb Kardile
    • 1
  • Prabhat Kumar Nema
    • 1
    Email author
  • Barjinder Pal Kaur
    • 1
  • Shubhangi Mahadeo Thakre
    • 2
  1. 1.Department of Food EngineeringNational Institute of Food Technology Entrepreneurship and ManagementSonepatIndia
  2. 2.College of Agricultural Engineering and TechnologyParbhaniIndia

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