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Ceylon cinnamon (Cinnamomum verum Presl) quills are a miracle spice produced from Sri Lanka and frequently fumigated with sulphur as a postharvest treatment. Fumigated cinnamons are packed using different packaging materials based on market requirements. This study aimed to evaluate the quality of fumigated cinnamon packed in five commonly used packaging materials for two initial residual sulphur dioxide (SO2) statuses approximately 50 ppm and 150 ppm. Twelve kilograms of cut cinnamon were fumigated respectively with 24 g and 42 g doses of sulphur in a 120 ft3 chamber for 15 h to achieve the targeted residual SO2 levels. Fumigated cinnamon quills were immediately packed in five packaging materials namely metalized polyethylene terephthalate (M. PET), polyethylene terephthalate/linear low-density polyethylene (PET/LLDPE), polyethylene terephthalate/aluminum foil/liner low-density polyethylene (PET/AL/LLDPE), polypropylene (PP) and low-density polyethylene (LDPE) with respective thickness of 0.048 ± 0.001, 0.075 ± 0.001, 0.094 ± 0.001, 0.068 ± 0.001 and 0.075 ± 0.001 mm and stored under the ambient condition for nine weeks. Physical, chemical, and biological quality parameters of packed cinnamon were evaluated at three-week intervals. Packaging material had a significant impact on moisture content, water activity, residual SO2 levels, lightness coordinate (L*), yellowness to blue attributes (b*), and yeast and mold count (YMC) of cinnamon (p < 0.05). L* and b* values of cinnamon packed in M. PET and PET/AL/LLDPE did not vary significantly during the storage period. However, the residual SO2 levels in the quills significantly declined over time, and the highest SO2 residual levels were observed in cinnamon packed in PET/AL/LLDPE. The lowest level of YMC was found in cinnamon packed in PET/AL/LLDPE for both residual statuses after nine weeks. PET/AL/LLDPE material showed the highest potential to maintain the best quality of sulphur fumigated cinnamon and high barrier packaging can control the rate of quality deterioration, though the quality of cinnamon declines with time irrespective of the packaging materials.

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Effect of Packaging Materials on the Quality of Sulphur Fumigated Ceylon Cinnamon (Cinnamomum verum Presl)

  • 会议论文

  • 发表日期：

    2025年

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  • S. P. Kodippili,
  • A. A. Wijeweera,
  • C. U. Widanapathirana,
  • Mapa S. T. Mapa

摘要

Ceylon cinnamon (Cinnamomum verum Presl) quills are a miracle spice produced from Sri Lanka and frequently fumigated with sulphur as a postharvest treatment. Fumigated cinnamons are packed using different packaging materials based on market requirements. This study aimed to evaluate the quality of fumigated cinnamon packed in five commonly used packaging materials for two initial residual sulphur dioxide (SO2) statuses approximately 50 ppm and 150 ppm. Twelve kilograms of cut cinnamon were fumigated respectively with 24 g and 42 g doses of sulphur in a 120 ft3 chamber for 15 h to achieve the targeted residual SO2 levels. Fumigated cinnamon quills were immediately packed in five packaging materials namely metalized polyethylene terephthalate (M. PET), polyethylene terephthalate/linear low-density polyethylene (PET/LLDPE), polyethylene terephthalate/aluminum foil/liner low-density polyethylene (PET/AL/LLDPE), polypropylene (PP) and low-density polyethylene (LDPE) with respective thickness of 0.048 ± 0.001, 0.075 ± 0.001, 0.094 ± 0.001, 0.068 ± 0.001 and 0.075 ± 0.001 mm and stored under the ambient condition for nine weeks. Physical, chemical, and biological quality parameters of packed cinnamon were evaluated at three-week intervals. Packaging material had a significant impact on moisture content, water activity, residual SO2 levels, lightness coordinate (L*), yellowness to blue attributes (b*), and yeast and mold count (YMC) of cinnamon (p < 0.05). L* and b* values of cinnamon packed in M. PET and PET/AL/LLDPE did not vary significantly during the storage period. However, the residual SO2 levels in the quills significantly declined over time, and the highest SO2 residual levels were observed in cinnamon packed in PET/AL/LLDPE. The lowest level of YMC was found in cinnamon packed in PET/AL/LLDPE for both residual statuses after nine weeks. PET/AL/LLDPE material showed the highest potential to maintain the best quality of sulphur fumigated cinnamon and high barrier packaging can control the rate of quality deterioration, though the quality of cinnamon declines with time irrespective of the packaging materials.