The quality of irradiated red ginseng powder following transport from Korea to the United States

نویسندگان

  • J. H. Kwon
  • J. J. Ahn
  • G. R. Kim
  • H. W. Chung
  • D. H. Kim
  • J. W. Lee
  • M. W. Byun
  • K. S. Kim
  • S. H. Park
  • D. U. Ahn
چکیده

Irradiated red ginseng powder (2.4 kg) in commercial bottles was transported from Korea to Iowa State University (USA) via air(10 days) and sea-cargos (50 days) to prove its qualities and identity. The microbial loads of transported samples by both methods after 5 kGy irradiation were reduced from 10 to 10CFU/g in total aerobic bacteria and from 20CFU/g (minimum detection level) to negative in coliforms, respectively, which are in accordance with Korean microbial standard for ginseng powders. Sea-transported irradiated samples showed the increased thiobarbituric acid reactive substances (TBARS) and Hunter’s a (red) value, but sensory qualities of all the red ginseng samples were not significantly different depending on irradiation and transportation means. Irradiated samples could be identified from the non-irradiated ones by the analysis of photostimulated luminescence, thermoluminescence, and electron spin resonance. This trial proved the feasibility of inter-country transportation of irradiated red ginseng powder. & 2009 Elsevier Ltd. All rights reserved.

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تاریخ انتشار 2009