• 제목/요약/키워드: pork lard

검색결과 15건 처리시간 0.024초

Effect of Paprika (Capsicum annuum L.) on Inhibition of Lipid Oxidation in Lard-Pork Model System During Storage at $4^{\circ}C$

  • Park, Jae-Hee;Kim, Chang-Soon
    • Food Science and Biotechnology
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    • 제16권5호
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    • pp.753-758
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    • 2007
  • This study was conducted to investigate the antioxidant activity of paprika in the lard-pork model system adding ground fresh paprika (3%) and paprika powders (5%). Paprika powders were obtained through 4 drying methods (freeze, vacuum, far infrared-ray, and hot-air). In the lard and meat-fat mixture (containing lard 30%) containing paprika powders, the rate of increase in the peroxide value (POV) and thiobarbituric acid (TBA) value decreased notably during the refrigerated storage ($4^{\circ}C$) compared to the control without paprika. Therefore, paprika powders showed potent antioxidant activity and especially the freeze dried paprika powder revealed the most effective activity among them. However, its antioxidant activity was still lower than that of the fresh paprika because the addition of fresh paprika in the lard and meat-fat mixture merely increased the POV and TBA value. In linoleic acid oxidation, the addition of capsanthin 500 ppm to mixed linoleic acid and 10 ppm of $FeCl_3$ (LF) inhibited the formation of peroxides by 15.2% compared to LF, showing its iron scavenging ability. When mixed antioxidants (${\beta}$-carotene 200 ppm + ascorbic acid 100 ppm, capsanthin 200 ppm + ascorbic acid 100 ppm) were added in LF, synergistic effects were obtained with 57.7 and 60.4% of inhibition of peroxide formation, respectively.

Determination of Shelf Life Model of Pork Cutlet and Pork Lard during Accelerated Storage Conditions

  • Park, Jung-Min;Lee, Su-Han;Koh, Jong-Ho;Kim, Jin-Man
    • 한국축산식품학회지
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    • 제38권4호
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    • pp.664-678
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    • 2018
  • This study was carried out to establish shelf life for pork cutlet of ground meat and pork lard by using various quality indicators and to understand how quality changes in these products are accelerated by temperature. The samples were selected and purchased from markets in Korea, and the chosen quality indicators were total aerobic counts and coliform group in microbiological analyses, thiobarbituric acid reactive substances assay, volatile basic nitrogen, pH, acid value, and peroxide value in physical chemical analyses, and sensory evaluation. The pork cutlet samples were stored at $-18^{\circ}C$, $-6^{\circ}C$, and $-1^{\circ}C$, whereas pork lard samples were stored at $10^{\circ}C$, $25^{\circ}C$, $35^{\circ}C$, and $45^{\circ}C$. These temperature conditions were set to real distribution conditions. The samples were then analyzed using various models including of reaction orders, arrhenius equation, and $Q_{10}$ value. The quality limits for each sample were calculated, and shelf life was estimated. The results of this experiment highlighted the importance of temperature control during the distribution process of these products and revealed that temperature is a useful parameter for the establishment of a basic database for shelf life.

식물성유와 동물성유 CLA가 유화형 Sausage의 지방산패도, 육색 및 지방산 조성의 변화에 미치는 영향 (Effects of CLA-vegetable Oils and CLA-lard on TBARS, Color and Fatty Acid Composition of Emusion-type Sausage)

  • 박구부;문성실;이정일;하영래;주선태
    • 한국축산식품학회지
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    • 제21권1호
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    • pp.71-79
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    • 2001
  • Emulsion-type sausages were manufactured to investigate the effects of CLA-vegetable oils and CLA-lard on quality of emulsion-type sausage. Each treatments replaced pork back fat with CLA-sesame oil (CLA-SO), CLA-lard (CLA-LD) and CLA-safflower seed oil (CLA-SSO) were stored during 1, 7, 14, 21 and 28 days at 4$^{\circ}C$. The changes in physico-chemical properties, thiobarbituric acid reactive substances(TBARS) and fatty acid composition of each treatments were measured during 1, 7, 14, 21 and 28 days at 4$^{\circ}C$. The pH values of all treatments significantly(p<0.05) decreased as storage time increased. Sausage products containing CLA-vegetable oils showed higher pH value than that of CLA-lard among the treatments. Color a*-value of CLA-SSO was higher than that of other treatments. During storage, TBARS values of treatments were significantly (p<0.05) increased, sausage products containing CLA-vegetable oils showed lower (p<0.05) TBARS value than CLA-lard, and TBARS of sausage products containing CLA-SSO was the lowest. This result indicated that CLA concentration in emulsion-type sausage did affect the lipid oxidation stability. Fatty acids composition was changed by addition of CLA-vegetable oils and CLA-lard. All kinds of fatty acids content decreased whereas CLA content extremely increased by replacement of CLA-vegetable oils and CLA-lard. The level of CLA content in CLA-vegetable oils was higher than CLA-lard. It may be concluded that emulsion-type sausage could be manufactured using CLA-vegetable oils as a pork fat substitutor without any negative effects on general components or physico-chemical properties.

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바이오디젤 구성분자와 유도세탄가 상관관계 연구 (The Study of Correlation between Biodiesel Components and Derived Cetane Number)

  • 임영관;박소라;김종렬;임의순;정충섭
    • 한국자동차공학회논문집
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    • 제19권3호
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    • pp.122-129
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    • 2011
  • Biodiesel produced from triglyceride which is main component of animal fats and vegetable oils by methanolysis was known for remarkable cetane number. In this study, the derived cetane number of 3 kinds of biodiesel came from vegetable oils such as soybean oil, palm oil, and perilla oil and 2 kind of biodiesel which were produced from beef tallow and pork lard were analyzed using IQT (Ignition quality tester). In IQT test result, the derived cetane number of palm- , beef tallow- and pork lard's biodiesel were more excellent than other biodiesels. After analysis of biodiesel composed molecular by gas chromatography-mass and determination of the derived cetane number of pure biodiesel components using IQT, we have found that the low olefin contented and long alkyl chained biodiesel have excellent derived cetane number.

Determining the Reuse of Frying Oil for Fried Sweet and Sour Pork according to Type of Oil and Frying Time

  • Park, Jung Min;Koh, Jong Ho;Kim, Jin Man
    • 한국축산식품학회지
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    • 제40권5호
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    • pp.785-794
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    • 2020
  • Food Codex regulations have set freshness limits for oils used to fry food, such as potato and fish products, and fried food itself; however, no such freshness limits have been set for meat products, such as sweet and sour pork. The freshness standard suggest that acid values (AVs) and peroxide values (POVs) for frying oil should be less than 2.5 and 50, respectively, whereas AVs and POVs for common fried food should be less than 5.0 and 60, respectively. Therefore, in this study, we investigate the effect of the number of frying cycles on oxidation-promoted changes in the oils used to fry sweet and sour pork and fried food itself during repeated frying over 10 d by determining their AVs and POVs, which were found to be highly correlated. Soybean, canola, palm, and pork lard oils could be reused approximately 37, 32, 58, and 87 times, respectively, to fry sweet and sour pork based on oil freshness, and 78, 78, 81, and 286 times, respectively, based on the freshness of fried food. Our data may help establish food-quality regulations for oils used to fry animal-based foods.

돈지 모형계에서 생 파프리카와 원적외선 건조 파프리카 분말의 지질 산화 억제 효과 비교 (The Effect of Fresh Paprika and Paprika powder dried by far-infrared ray on Inhibition of Lipid Oxidation in Lard Model System)

  • 박재희;김창순;노상규
    • 한국식품조리과학회지
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    • 제21권4호
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    • pp.475-481
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    • 2005
  • 항산화성의 카로티노이드계 물질의 우수 급원인 파프리카를 돈지 모형계에 사용하여 항산화효과를 보고자 하였다. 돈지에 원적외선 $50^{\circ}C$에서 건조한 파프리카 분말(PP) 3, $5\%$와 fresh paprika(FP)를 $3\%$ 첨가하여 $4^{\circ}C$에서 8일 동안 지질 산화 억제 효과를 비교하였다. PP와 FP 첨가군의 POV와 TBA값 증가율은 대조군에 비해 현저히 낮았으며, 특히 FP $3\%$ 첨가군은 냉장저장 8일째에도 거의 변화가 없었고, 불포화지방산 파괴는 가장 작게 나타나 가장 우수한 지방산화억제효과를 보였다. 그러므로 돈지 모형계에서 파프리카의 지질산화 억제효과는 원적외선건조로 인한 항산화성분의 파괴로 감소하며, 항산화성분이 다량 함유된 FP는 육제품 지방산화에 대해 우수한 산화방지제로 사용될 수 있음을 확인하였다

축육 가공품의 열확산도 추정에 관한 연구 (Prediction of Thermal Diffusivities of Pork Meat Products)

  • 박철환;박상민;조현덕;한봉호
    • 한국식품영양과학회지
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    • 제22권2호
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    • pp.222-225
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    • 1993
  • 축육제품의 실제 열처리 온도범위에서 적용가능한 열확산도 추정식을 제시하고자, 식염 1.5%, 중합인산염 0.2%, lard 및 대두단백질을 임의의 농도로 혼합한 돼지고기를 사용하여 열전달실험을 행하고 열확산도 추정식을 구하였다. 수분함량 49.01~77.55%, 가열온도 80.76~121.03$^{\circ}C$의 범위에서 열확산도는 동일온도에서는 수분함량의 증가에 따라, 동일 수분함량에서는 가열온도가 높아짐에 따라 커졌으며, 각 온도에서의 실측 열확산도는 다음의 식들로 나타낼 수 있었다. $\alpha$p,(80.76$\pm$0.3$^{\circ}C$) =0.0869.$10^{-6}$ .Xw+0.0720.$10^{-6}$ ,(m$^2$.s$^{-1}$, r=0.9230) $\alpha$p, (98.59$\pm$0.3$^{\circ}C$) =0.0849.$10^{-6}$ .Xw+0.0818.$10^{-6}$ , (m$^2$.s$^{-1}$, r=0.9264) $\alpha$p, (121.03$\pm$0.5$^{\circ}C$) =0.0909.$10^{-6}$ .Xw+0.0893.$10^{-6}$ , (m$^2$.s$^{-1}$, r=0.9507)이 식들을 종합한, 임의의 온도에서의 열확산도 추정식은 다음과 같았으며 이로부터 구한 열확산도와 실측치의 차이는 실측치를 기준으로 $\pm$1.7% 이내였다. $\alpha$p=(2.1394+0.5.Xw).$\alpha$w+0.0035.$10^{-6}$ .Xw-0.2785.$10^{-6}$ , (m$^2$.s$^{-1}$).

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유화형 Sausage의 품질특성에 식물성유와 동물성유 CLA 첨가가 미치는 영향 (Effects of CLA-vegetable Oils and CLA-lard Additives on Quality Characteristics of Emulsion-type Sausage)

  • 이정일;이진희;곽석준;하영주;정재두;이진우;이제룡;주선태;박구부
    • Journal of Animal Science and Technology
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    • 제45권2호
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    • pp.283-296
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    • 2003
  • CLA-식물성유와 CLA-동물성유가 대체가 유화형 sausage의 품질특성에 미치는 영향을 조사하기 위해 3개의 시험구를 배치하였다. CLA- CO는 돼지 등지방 함량 중 30%를 CLA-corn oil로 대체시켰으며, CLA-SSO는 30% CLA- safflower seed oil, CLA-LD는 30% CLA-lard을 각각 대체하여 유화형 sausage를 제조한 후 1, 7, 14, 21 그리고 28일 동안 4$^{\circ}C$의 냉장고에 저장하면서 이화학적 특성, 조직감, 지방산패도, 지방산 조성 및 CLA 함량의 변화를 조사하였다. CLA-식물성유와 CLA-동물성유를 첨가한 sausage의 pH는 전 저장기간동안 대조구에 비하여 유의적으로 낮게 나타났으며(p<0.05), 모든 처리구가 저장 14일째에 유의적으로 가장 낮은 pH를 보였다(P<0.05). Sausage의 L*과 a* 값은 모든 처리구간에 큰 차이는 없었으나, b* 값의 경우 CLA-처리구가 대조구에 비해 전 저장기간 동안 유의적으로 높은 경향을 나타내었다(p<0.05). CLA 처리구가 대조구에 비하여 모든 지방산 조성이 감소하는 결과를 보인 반면에, linolenic acid 함량은 대조구에 비하여 CLA 처리구인 CLA-CO와 CLA-SSO 처리구가 유의적으로 높은 함량을 보였다(P<0.05). 모든 처리구가 저장기간 경과에 따른 지방산 조성의 변화는 없었다. 조직감에서는 CLA-LD 처리구가 대조구나 다른 처리구에 비하여 응집성, 탄력성, 고무성 및 파쇄성 등이 유의적으로 높았다(P<0.05). 유화형 sausage의 지방산패도는 저장기간이 경과함에 따라 처리구 모두 유의적으로 높게 나타났고(p<0.05), CLA-CO 처리구가 대조구 보다 유의적으로 낮은 경향을 보였다(p<0.05). 이상의 결과 유화형 sausage 제조시 CLA 첨가는 이화학적 특성과 조직감에 영향을 미치지 않으며, 제품의 저장기간을 연장 및 CLA를 축적시키는 것이 가능하여 고급 sausage 생산이 가능하다고 사료된다.

지방종류에 따른 Hamburg Patty의 이화학적 특성에 관한 연구 (Study on the Physicochemical Characteristics of Hamburg Patties with Different Lipid Sources)

  • 신기간;이성기;박형일
    • 한국축산식품학회지
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    • 제21권1호
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    • pp.80-88
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    • 2001
  • This study was carried out to evaluate the different physicochemical properties of various lipid sources in beef patties during storage for 6 months. Four groups of samples were made of beef meat patties with 22% of tallow, lard, chicken fat and 20% of palm oil. On the analysis result of physicochemical compositions, the patty has its own fatty acids composition and characteristic different from other lipids. Patty with chicken fat has the highest percentage of unsaturated fatty acid composition of 61.0% compared to the other groups of patties. Beef patty with chicken fat has 18.8% of poly unsaturated fatty acid(USFA) and beef patty with beef lipid has 1.5% of poly USFA which is the least percentage among the others. SFA/USFA ratio of beef patty with chicken lipid was 0.5 which was the least value. The composition of PUFA in beef patty with lard increased to 10.0% from 1.9% over initial value after storage for 6 months. On the contrary, the composition of PUFA in beef patty with chicken fat decreased to 9.2% from 18.8% over initial value after 6 months. Volatile free fatty acids of beef patties were evaluated with four kinds of lipid sources. Formic acid was the most as of 59$\mu\textrm{g}$/g in beef patty with tallow, acetic acid was 15$\mu\textrm{g}$/g, and heptanoic acid was 10$\mu\textrm{g}$/g at starting time of storage. However, propionic acid, butyric acid, valeric acid and caproic acid were not detected. After 6 months, formic acid decreased from 59$\mu\textrm{g}$/g to 7$\mu\textrm{g}$/g in the patty with tallow, from 12$\mu\textrm{g}$/g to non-detect level in the patty with palm oil, but two the others patties slightly increased. Volatile compounds in meat patties were reported nearly 1000 kinds of chemical compounds. Beef patty with tallow has aldehydes 5.3, alcohol 1.3, hydrocarbon 0.8, ketones 0.2, ester 0.1, furans 0.1, acid 0.04, sulfur 0.03 in peak area at starting and increased to aldehydes 8.5, alcohol 2.1, ketones 0.5, ester 1.0, furans 1.5 in peak area during the storage. But only furans was not detected after 6 months of storage. From starting to 6 months, aldehydes increased 2∼10 times, alcohol increased 2∼3 times, acids 4∼50 times and ester 9∼20 times in beef patties with pork lipid, chicken lipid and palm oil. Some volatile compounds such as alcohol, aldehydes and acids in all kinds of patties significantly increased after 6 months of storage. These increases cause oxidative rancidity taste in meat patties. These results showed that selt-life of meat patties with 4 different lipids were not over 6 months even though they were stored at -20$^{circ}C$. Therefore, they should be classified as off-grade because of oxidative rancidity. Although beef patties with tallow are currently common type, the possibility for new type of hamburg patty can be developed by applying different lipids. Finally, we found out new type of beef patty added with lard, which has the best taste and quality compared to the other common types.

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혼합육 가공품의 열확산도 추정에 관한 연구 (Prediction of Thermal Diffusivities of Meat Products Containing Fish Meat)

  • 이건영;박상민;안희우;조현덕;한봉호
    • 한국수산과학회지
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    • 제26권1호
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    • pp.26-30
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    • 1993
  • 축육${\cdot}$어육 혼합 가공품의 실제 열처리 온도범위에서 적용가능한 열확산도 추정식을 제시하고자, 식염 $1.5\%$, 중합인산염 $0.2\%$, lard 및 대두단백질을 임의의 농도로 혼합한 돼지고기와 말쥐치육의 혼합육을 사용하여 열전달실험을 행하고 열확산도 추정식을 구하였다. 수분함량 $49.01{\sim}77.55\%$, 가열온도 $80.76{\sim}121.03^{\circ}C$의 범위에서 열확산도는 동일 온도에서는 수분함량의 증가에 따라, 동일 수분함량에서는 가열온도가 높아짐에 따라 커졌으며, 각 온도에서의 실측 열확산도는 다음의 식들로 나타낼 수 있었다. $${\alpha}_{p,(80.76{\pm}0.3^{\circ}C)}=0.0870{\cdot}10^{-6}{\cdot}X_w+0.0689{\cdot}10^{-6},(m^2{\cdot}s^{-1})$$ $${\alpha}_{p,(98.57{\pm}0.3^{\circ}C)}=0.0862{\cdot}10^{-6}{\cdot}X_w+0.0845{\cdot}10^{-6},(m^2{\cdot}s^{-1})$$ $${\alpha}_{p,(121.03{\pm}0.5^{\circ}C)}=0.0932{\cdot}10^{-6}{\cdot}X_w+0.0939{\cdot}10^{-6},(m^2{\cdot}s^{-1})$$ 이들 식들을 정리하여 구한 임의의 열처리 온도에서의 열확산도 추정식은 다음과 같았으며, 실측치를 기준으로 한 추정치의 최대 오차는 ${\pm}0.8\%$였다. $${\alpha}_p=(3.045+0.59{\cdot}X_w){\cdot}{\alpha}_w+0.0098{\cdot}10^{-6}{\cdot}X_w-0.4287{\cdot}10^{-6},(m^2{\cdot}s^{-1})$$

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