Effect of Electron Beam Irradiation on Microbial Qualities of Whole Black Pepper Powder and Commercial Sunsik

전자선 조사가 통후추 분말과 시판 선식의 미생물학적 안전성 및 품질에 미치는 영향

  • Published : 2005.04.30

Abstract

Electron beam irradiation was applied to examine microbial safety and qualities of black pepper powder and commercial Sunsik. Whole black pepper powder and commercial Sunsik were irradiated at 2, 4, 8, 12, and 16 kGy. Microorganism contamination in black pepper powder and commercial Sunsik were significantly decreased by irradiation. Decimal reduction doses ($D_{10}\;value$) of total bacteria count in black pepper powder and commercial Sunsik were 5.32 and 1.56 kGy, respectively. $D_{10}\;value$ of yeast and mold were 2.54 and 2.14 kGy for black pepper powder and commercial Sunsik, respectively. Electron beam irradiation caused negligible changes in Hunter color L, a, and b values. Sensory evaluations of black pepper powder and commercial Sunsik showed no significant changes among samples. These results indicate electron beam irradiation improves microbial safety and qualities of black pepper powder and commercial Sunsik.

Keywords

electron beam;black pepper powder;Sunsik;D value

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