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2004•Korean Journal of Human EcologyRequires access

Physico-chemical changes in irradiated beef and pork loins

Kyong-Ae Lee, Yoon‐Jin Lee

Open publisher page 1 citations

Abstract

Effects of irradiation on physico-chemical properties of beef and pork loins were examined. Beef and pork were irradiated at dose levels of 0, 0.5, 1, 2, 3, and 5 kGy with a use of Co-60 source. The drip loss of beef increased from 0 kGy to 5 kGy, whereas that of pork remained unchanged. TBA values of beef and pork increased due to irradiation. Irradiation caused a decrease in the lightness, redness, and yellowness of beef, whereas it did an increase in the same properties of pork. Irradiation also contributed to an increase in the solubility of salt soluble protein.

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What this paper is about

Effects of irradiation on physico-chemical properties of beef and pork loins were examined. Beef and pork were irradiated at dose levels of 0, 0.5, 1, 2, 3, and 5 kGy with a use of Co-60 source. The drip loss of beef increased from 0 kGy to 5 kGy, whereas that of pork remained unchanged. TBA values of beef and pork increased due to irradiation. Irradiation caused a decrease in the lightness, redness, and yellowness of beef, whereas it did an increase in the same properties of pork. Irradiation also contributed to an increase in the solubility of salt soluble protein.

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Available abstract

Effects of irradiation on physico-chemical properties of beef and pork loins were examined. Beef and pork were irradiated at dose levels of 0, 0.5, 1, 2, 3, and 5 kGy with a use of Co-60 source. The drip loss of beef increased from 0 kGy to 5 kGy, whereas that of pork remained unchanged. TBA values of beef and pork increased due to irradiation. Irradiation caused a decrease in the lightness, redness, and yellowness of beef, whereas it did an increase in the same properties of pork. Irradiation also contributed to an increase in the solubility of salt soluble protein.

Key concepts: Food science, Irradiation, Chemistry, Lightness, Solubility, Organic chemistry, Optics, Physics

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