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Parboiling is a pre-cooking method used in rice processing which involves soaking, steaming, and drying paddies before milling. Parboiling enhances rice quality by modifying its physical and chemical properties, improving tensile strength and milling yield. This study optimizes the process through a two-stage soaking method—80 °C for 45 min followed by 65 °C for 3.5 h—achieving ideal moisture levels (38–40%) in 5–6 h. A newly designed hybrid chamber with perforated steam pipes enables cost-effective, semi-automated operation, making the technology accessible for moderate-scale farmers. The optimized steaming process (15–20 min) ensures consistent gelatinization, reducing defects. This innovation improves efficiency while maintaining high-quality parboiled rice.

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Enhancing Soaking and Steaming Parameters to Optimize the Parboiling Process

  • 会议论文

  • 发表日期：

    2026年

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  • Sumit Kumar Singh,
  • Ashok Kumar Mandal,
  • Twinkle Kumar,
  • Rohit Kumar,
  • Mohit Kumar Sharma,
  • Gullipalli Jahnavi,
  • Animesh Kumar Amar,
  • Bablu Kumar Patel

摘要

Parboiling is a pre-cooking method used in rice processing which involves soaking, steaming, and drying paddies before milling. Parboiling enhances rice quality by modifying its physical and chemical properties, improving tensile strength and milling yield. This study optimizes the process through a two-stage soaking method—80 °C for 45 min followed by 65 °C for 3.5 h—achieving ideal moisture levels (38–40%) in 5–6 h. A newly designed hybrid chamber with perforated steam pipes enables cost-effective, semi-automated operation, making the technology accessible for moderate-scale farmers. The optimized steaming process (15–20 min) ensures consistent gelatinization, reducing defects. This innovation improves efficiency while maintaining high-quality parboiled rice.