• 한국축산식품학회지
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• 제31권3호
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• pp.339-348
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• 2011

Ground pork containing 0, 1, 2, or 3% rice bran fiber was prepared. pH increased as the amount of rice bran fiber added increased (p<0.05) but decreased during storage. The lightness and redness values of the raw ground pork decreased with the addition of rice bran fiber, and ground pork containing 3% rice bran fiber had the highest yellowness value during early storage (p<0.05). Moreover, adding rice bran fiber was not associated with color stability during storage. Samples containing 2 or 3% rice bran fiber had improved cooking loss, hardness, gumminess, and chewiness. Furthermore, rice bran fiber enhanced tenderness, juiciness, and overall acceptability on a sensory evaluation. These physico-chemical properties were maintained to the final storage period. The best results were obtained with ground pork containing 2 or 3% rice bran fiber. Rice bran fiber combined with useful antioxidants may be a more effective approach to increase the stability of ground pork during cold storage.

• 한국축산식품학회지
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• 제29권2호
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• pp.213-219
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• 2009

돼지고기 저지방 부위를 구성하고 있는 근육들 중 지방함량이 높은 5개 근육들의 냉장유통 중 품질변화를 예측하고자 냉장상태에서 14일 동안 저장하면서 근육별 이화학적 품질변화를 조사하였다. 수분함량, 지방함량, pH는 저장기간이 경과됨에 따라 유의적인 차이가 없었지만, 보수력에서는 supraspinatus, semitendinosus, longissimus dorsi 근육은 저장기간이 경과됨에 따라 유의적으로 증가하였다(p<0.05).포장감량은 모든 근육에서 저장기간이 경과점에 따라 감량이 증가하였지만(p<0.05), 가열감량과 경도는 저장기간에 따른 차이가 없었다(p>0.05). 결론적으로 돼지 저지방 부위 5개 근육들은 냉장저장 14일 동안 이화학적 특성의 변화정도에서 차이를 나타내었으며, 이러한 결과는 돼지 저지방 부위 근육을 활용한 구이용 상품화 추진에 기초 자료로 활용될 수 있을 것으로 사료된다.

• 한국축산식품학회지
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• 제35권4호
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• pp.557-563
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• 2015

The present study was carried out to investigate the effects of soy protein hydrolysates (SPHs) addition on the quality characteristics of pork patties. The SPHs was prepared by subcritical water process (SWP) at 180℃ without holding time and mixed with the pork patty components at varying concentrations (0-3%), and the patties were stored at 4℃ for 14 d. As quality parameters, instrumental color, thiobarbituric acid-reactive substances (TBARS), pH, water holding capacity (WHC) and shear force were measured at the end of storage. Regardless of SPHs concentration, the addition of SPHs significantly manifested low L* and high a* values compared to those of untreated control (p<0.05). For b* value, addition of SPHs in the 0.5-1.5% was unaffected, while >2.0% of SPHs caused significantly lower b* than control (p<0.05). The color changes in pork patties with and without SPHs were also identified in visual appearance where the pork patties containing 0.5-2.0% showed bright red color which was comparable to brownish color of control and patties containing >2.5% SPHs. Lipid oxidation was delayed by the addition of 0.5-1.5% SPHs, while it was accelerated by the addition of 3% SPHs. The pH of patties increased with increasing concentration of SPHs, whereas there were no significant differences in WHC and shear force of patties. Consequently, the results indicated that the addition of 0.5-1.5% SPHs had a potential advantage in suppressing oxidative deterioration of fat-containing meat products during chilled storage.

• 한국축산식품학회지
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• 제20권2호
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• pp.146-151
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• 2000

The objective of this study was to investigate the characteristics on the thermal denaturation of free drip released from pork loin during chilled storage using DSC(differential scanning calorimetry). DSC thermogram of drip released from normal pork(NORD) was characterized by a minor peak and two major peaks with temperature maxima at $61.5^{\circ}C$, $71.7^{\circ}C$ (associated with sarcoplasmic proteins) and $84.3^{\circ}C$ (associated with protein-protein interaction and aggregation). In the denaturation temperature of drip released from PSE pork (PSED), the peak(Tmax) at $59.0^{\circ}C$ was reduced by $2.5^{\circ}C$. When the thermograms were divided into segments correponding to the three peaks, $\Delta$H2 was shown to be reduced by 10% in PSED as compared to NORD. With the decrease in the solubility of sarcoplasmic proteins in PSE muscle, there was a corresponding increase the drip loss during the storage.

• 한국식품저장유통학회지
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• 제6권1호
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• pp.16-22
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• 1999

Microbial populations (total bacteria, lactic acid bacteria and coliforms), TBA, VBN and POV were investigated for evaluating the shelf life of pork loins gamma-irradiated at doses of 1, 3, 5 and 10 kGy with air-contained and vacuum-packaged methods. The initial microbial populations decreased with gamma irradiation depending upon the dose and microorganisms in the vacuum-packaged samples were inhibited more than those in the air-contained samples. POV, TBA and VBN values were higher in the air-contained samples than in the vacuum-packaged samples. In conclusion, the combination of gamma-irradiation and vacuum-packaging could extend the shelf life of chilled pork loin.

• 한국축산식품학회지
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• 제24권4호
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• pp.342-348
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• 2004

국내 시장에 유통중인 국내 및 수입산 냉장ㆍ냉동 목심의 관능적 품질 특성을 조사하기 위하여 총 6종의 수입산 및 국내산 냉장ㆍ냉동 목심을 구입하여 연령 및 성별로 구분된 60명의 관능검사요원을 대상으로 조사ㆍ분석하였다. 제품의 외관평가 조사결과, 소비자들은 지방색 및 지방부착도에서 높은 선호 경향을 나타낸 국내산 냉동 목심 A를 가장 선호하는 것으로 조사되었다(p<0.001). 척도 묘사 분석법을 이용하여 분석한 연령별 기호도 조사에 의하면 젊은 층인 20대의 소비자들은 국내산 냉장 목심 A를 30대와 40대의 소비자들은 북미산 냉동 목심 A를 가장 선호하였다. 삼점검사법을 이용한 외관 및 조리육의 식별 특성 조사에 있어서는 국내산 냉동 목심 B와 북미산 냉동 목심 A의 조합에서 가장 높은 식별강도를 나타내었다(p<0.001).

• 한국축산식품학회:학술대회논문집
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• 한국축산식품학회 1999년도 심포지움 및 제24차 추계학술발표회
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• pp.109-109
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• 1999

• 한국축산식품학회지
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• 제30권3호
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• pp.427-434
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• 2010

돼지고기 저지방 부위를 구성하고 있는 근육들 중 지방함량이 높은 5개 근육들의 냉장유통 중 품질변화를 예측하고자 냉장상태에서 14일 동안 저장하면서 근육별 이화학적 품질변화를 조사하였다. 육색소(oxy-myoglobin, metmyoglobin, total-myoglobin) 함량은 저장기간에 따른 차이가 없었다(p>0.05). 냉장저장 중 구이용으로 가능한 근육들의 저장성에서 POV 값은 모든 근육들에서 냉장저장 14일간 유의적인 변화가 없었지만(p>0.05), TBARS 값은 모든 근육들은 냉장저장 기간이 경과할수록 유의적으로 증가하였다(p<0.05). 유리지방산은 longissimus dorsi 근육이 냉장저장 기간이 경과함에 따라 유의적으로 높아졌다(p<0.05). 지방산 조성에서 냉장저장 14일까지는 모든 근육들에서 포화지방산, 불포화지방산, 단일불포화지방산, 다중불포화지방산에 유의적인 변화가 없었다(p>0.05).

• 한국식품영양학회지
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• 제14권3호
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• pp.255-262
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• 2001

랩포장 및 진공포장이 냉장 돈육이 저장성에 미치는 영향을 조사하기 위해 돈육의 등심부의를 랩포장 및 진공포장한 후 냉장저장하면서 저장기간에 따른 세균수,휘발성 염기질소, pH, 보수력 드립감량, 가열감량 및 경도의 변화를 측정하였다. 랩포장의 경우 일반세균수는 저장 10일에 2.0$\times$$10^{7}$ CGU/㎤의 수준에 달하였고, 휘발성 염기질소 함량은 저장 15d일에 26mg%로서 식육의 부패수준인 20mg%를 초과하였으며 , pH는 저장 7일 이후 급속하게 증가되어 저장 10일에 5.98의 수준이었다. 반면에 진공포장의 경우에는 일반세균수가 저장 30일에 7.7$\times$$10^{6}$ CGU/㎤의수준에 달하였고, 휘발성 염기질소 함량은 저장 30일에 19.8mg%로서 부패수준인 20mg%에 근접하였으며, pH는 저장기간이 경과됨에 따라 매우 완만하게 증가되어 저장 30일에 pH5.75의 수준이었다. 보수력은 저장 1일에는두 시험구가 75.0%의 수준으로 비슷하였으나, 저장기간이 경과됨에 따라 랩포장이 진공포장에 비해 급속하게 증가되었다. 드립감량과 가열감량은 저장초기인 저장 7일까지는 진공포장이 랩포장에 비해 다소 높은 수준이었으나 그 이후에는 랩 포장이 높은 수준이었다. 경도는 두 시험구 모두 저장 1일에 가장 높았고, 저장 기간이 경과됨에 따라 점차 저하되었으며, 랩포장에 비해 전공포장이 비교적 완만하게 저하되었다.

• Asian-Australasian Journal of Animal Sciences
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• 제16권11호
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• pp.1695-1700
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• 2003

A total of 30 pork loin sections were utilized to evaluate the effects of FIR ceramic sheet in PE and vacuum package on preserving the quality of chilled pork stored at 4 and $0^{\circ}C$. Based on meat color, results indicated that pork loin packaged in ceramic sheet and control treatment showed that the samples of the control treatment tended to darken gradually in comparison with the samples at 0 day, but FIR treatment had few changes. Among the total plate counts of sliced loin in PE and loin in vacuum package under different storage times at 4 and $0^{\circ}C$, results showed that FIR ceramic sheet package treatment had lower total plate counts and significant differences (p<0.05). In VBN value, both treatments tended to rise high with the increasing of storage time, but the FIR treatment was significantly lower (p<0.05) than the control treatment. Its results had a corresponding relationship with the total plate counts. Regarding the drip loss of sliced loin in PE and loin in vacuum package, it showed that FIR ceramic sheet package treatment had lower drip loss and significant differences (p<0.01). These results showed that the use of FIR ceramic sheet package, including PE and vacuum package, is an effective method of maintaining the quality of meat.