초록

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Abstract ▼ AI-Helper

Polyethylene films contained 0, 10, 20, 30 and 40% of raw-ore powder(PERO) were prepared. The characteristics feature of the film and the powder were investigated in order to use packaging material for kimchi quality. Kimchi was packaged in the PERO bass md stored at 10$^{\circ}C$. The ki...

Polyethylene films contained 0, 10, 20, 30 and 40% of raw-ore powder(PERO) were prepared. The characteristics feature of the film and the powder were investigated in order to use packaging material for kimchi quality. Kimchi was packaged in the PERO bass md stored at 10$^{\circ}C$. The kimchi was examined for a pH, acidity, number of total microbe and lactic acid bacteria, E. coli, color values and sensory evaluation. The ore powder at 20$^{\circ}C$ produced infrared rays at 800-1100nm. The growth of E. coli md Staphylococcus aureus was extremely inhibited in the EMB and nutrient broth containing 10% of raw-ore powder but, that of lactobacillus plantarum and Leuconostoc mesenteriodes was slightly promoted in MRS broth containing 1%. The ripening by pH and acidity was slightly accelerated in kimchi in PERO bag(PERO-kimchi) compared to control kimchi but the maintenance of ripened-kimchi taste was prolonged in PERO-kimchi. The number of lactic acid bacteria of PERO-kimchi was more numerous than that of contol sample but that of E. coli wag exremely legs. The color L* values of PERO-kimchi was lower than control but a* and b* values were higher. Sensory evaluation of PERO-kimchi was higher score than control sample in crispness and overall taste about 10 to 20% of raw-ore contents for kimchi-packaging material was desirable.

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