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Journal of Food Science and Technology

, Volume 56, Issue 7, pp 3185–3194 | Cite as

Effects of processing techniques on drying characteristics, physicochemical properties and functional compounds of green and red chilli (Capsicum annum L.) powder

  • Md. Mostafa Kamal
  • Md. Rahmat Ali
  • Md. Mahfuzur Rahman
  • Mohammad Rezaul Islam Shishir
  • Sabina Yasmin
  • Md. Sazzat Hossain SarkerEmail author
Original Article
  • 37 Downloads

Abstract

This study was aimed to investigate the effect of processing techniques on the characteristics of green and red chilli powder. Four samples, such as pretreated green chilli paste (PTGP), pretreated green chilli longitudinal slit (PTGL), pretreated whole red chilli (PTWR) and untreated green chilli paste (UTGP), were prepared and dried at 60 °C in a cabinet dryer. The pretreatment was blanching in acetic acid solution and soaking immediately in a combined solution of Na2S2O5 and CaCl2. Pretreated samples took a shorter drying time than the untreated sample in reducing moisture content from 86.31 to 8%. Pretreatment before drying resulted in retaining total chlorophyll (~ 86%), phenolic compounds (~ 32%), green color, and pungency of chilli. Analysis result indicated that more than 60% retention of β-carotene was found while retention of ascorbic acid was comparable. Conclusively, this research reveals a good nutritional profile in cabinet dried green chilli powder, which may open the scope for commercial production.

Keywords

Green chilli Drying Blanching Chemical soaking Chlorophyll Ascorbic acid Phenolic compounds 

Notes

Acknowledgements

We thankfully acknowledged the laboratory facilities of the Department of Food Processing and Preservation, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Association of Food Scientists & Technologists (India) 2019

Authors and Affiliations

  • Md. Mostafa Kamal
    • 1
  • Md. Rahmat Ali
    • 1
  • Md. Mahfuzur Rahman
    • 2
    • 3
  • Mohammad Rezaul Islam Shishir
    • 4
  • Sabina Yasmin
    • 2
  • Md. Sazzat Hossain Sarker
    • 2
    Email author
  1. 1.Department of Food Processing and PreservationHajee Mohammad Danesh Science and Technology UniversityDinajpurBangladesh
  2. 2.Department of Food Engineering and TechnologyHajee Mohammad Danesh Science and Technology UniversityDinajpurBangladesh
  3. 3.Department of Nuclear EngineeringMilitary Institute of Science and TechnologyDhakaBangladesh
  4. 4.Department of Food Science and NutritionZhejiang UniversityHangzhouChina

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