• 제목/요약/키워드: pT2

검색결과 17,575건 처리시간 0.038초

페퍼민트분말 급여가 비육기 재래흑돼지의 육질 특성 및 지방산 조성에 미치는 영향 (Effect of Feeding Peppermint (Mentha piperita L.) Powder on Meat Quality and Fatty acid Composition in Finishing Korean Native Black Pigs)

  • 지중룡;최영민;송동용;최호성;나종삼;심관섭
    • 한국축산식품학회지
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    • 제31권2호
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    • pp.224-231
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    • 2011
  • 본 연구는 페퍼민트 급여가 재래흑돼지의 육질특성과 근육내 지방산 조성 및 콜레스테롤 함량에 어떠한 영향을 미치는지 분석하기 위해 실시하였다. 이를 위해 페퍼민트 분말을 평균체중이 $77{\pm}5$ kg일 때부터 출하까지 0.2%(T1) 또는 0.4%(T2)를 50일간 급여하였으며, 도축 후 등심근을 채취하여 다양한 품질특성을 분석하였다. 일반성분은 처리구간에 유의적인 차이가 나타나지 않았으나, T2처리구에서 조지방 함량이 대조구보다 감소하는 경향이었다. 사후 45분 pH는 처리구간에 유의적인 차이가 없었지만, 24시 pH에서 대조구보다 유의적으로 T2처리구가 높게 나타났다(p<0.05). 육색에 있어서 명도와 황색도는 T2가 대조구보다 유의적으로 낮게 나타났다(p<0.05). 연도와 보수력 역시 처리구간에 차이가 없는 것으로 나타났다. 페퍼민트 첨가는 지방산 조성과 콜레스테롤 함량에 영향을 미치지 못하였으나, T1은 대조구보다 포화지방산이 감소하고 불포화지방산이 증가하는 경향이었다. 또한 콜레스테롤 감소지수는 T1이 대조구보다 유의적으로 높게 나타났다(p<0.05). 이상의 결과를 종합하면 페퍼민트 첨가 사료는 돈육질에 큰 영향을 미치지는 않지만, 지방산 및 콜레스테롤의 건강기능적인 측면에서 긍정적인 영향을 미칠 것으로 판단되며, 보다 심도 있는 추가 연구가 필요한 것으로 사료된다.

Mastication에 의한 Polystyrene의 機械的分裂 (Mechanical Degradation of Polystyrene by Mastication)

  • 정기현;성좌경
    • 대한화학회지
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    • 제17권4호
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    • pp.298-305
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    • 1973
  • Roll을 사용한 mastication에 의한 polystyrene(단독시와 rubber와의 blend시)의 기계적 분열에 대하여 검토한 결과는 다음과 같다. 1) Polystyrene 단독시의 기계적 분열속도는 Goto가 밝힌 중합도$(P_t-P_{\infty})$에 관하여 2차인 다음식에 적합함을 알았다. $-\frac{dP_t}{dt} = k_s(P_t-P_{\infty})^2$2 2)Polystyrene-rubber (SBR, BR) blend계에서 polystyrene성분의 분열은 단독시와 비스하게 일어났다. 3)본 실험 조건하에서 polystyrene-rubber (SBR, BR) blend계에서, polystyrene성분의 분열속도도 단독시와 같이 상기한 2차식에 근사적으로 적합됨을 알았다.

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공황장애 환자에서의 갑상선 지표 (Thyroid Indices in Patients with Panic Attack)

  • 김영철
    • 수면정신생리
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    • 제2권1호
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    • pp.65-72
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    • 1995
  • The author compared indices of thyroid function in 76 patients with panic attack and 80 control subjects. And SCL-90-R was performed to evaluate the relationship between the psychiatric symptoms and thyroid indices in the patients with panic attack The results were as follows: 1). No siginificant differences in T3, T4 or TSH were found between the two groups. But T3 level was significantly lower in male panic patients than male controls(p<0.005). 2) The T3 level was significantly lower in male panic patients who had higher depression socre than average in SCL-90-R(p<0.025). 3) The TSH level was significantly lower in patients with higher anxiety(p<0.001) and phobia(p<0.05) score and in female panic patients(p<0.001) with higher anxiety and phobia score than average in SCL-90-R. 4) The phobic symptom(p<0.001) was siginificantly higher and the T3 level(p<0.005) was lower in the male than the female patients with panic attack.

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Synthesis of T2-weighted images from proton density images using a generative adversarial network in a temporomandibular joint magnetic resonance imaging protocol

  • Chena, Lee;Eun-Gyu, Ha;Yoon Joo, Choi;Kug Jin, Jeon;Sang-Sun, Han
    • Imaging Science in Dentistry
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    • 제52권4호
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    • pp.393-398
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    • 2022
  • Purpose: This study proposed a generative adversarial network (GAN) model for T2-weighted image (WI) synthesis from proton density (PD)-WI in a temporomandibular joint(TMJ) magnetic resonance imaging (MRI) protocol. Materials and Methods: From January to November 2019, MRI scans for TMJ were reviewed and 308 imaging sets were collected. For training, 277 pairs of PD- and T2-WI sagittal TMJ images were used. Transfer learning of the pix2pix GAN model was utilized to generate T2-WI from PD-WI. Model performance was evaluated with the structural similarity index map (SSIM) and peak signal-to-noise ratio (PSNR) indices for 31 predicted T2-WI (pT2). The disc position was clinically diagnosed as anterior disc displacement with or without reduction, and joint effusion as present or absent. The true T2-WI-based diagnosis was regarded as the gold standard, to which pT2-based diagnoses were compared using Cohen's ĸ coefficient. Results: The mean SSIM and PSNR values were 0.4781(±0.0522) and 21.30(±1.51) dB, respectively. The pT2 protocol showed almost perfect agreement(ĸ=0.81) with the gold standard for disc position. The number of discordant cases was higher for normal disc position (17%) than for anterior displacement with reduction (2%) or without reduction (10%). The effusion diagnosis also showed almost perfect agreement(ĸ=0.88), with higher concordance for the presence (85%) than for the absence (77%) of effusion. Conclusion: The application of pT2 images for a TMJ MRI protocol useful for diagnosis, although the image quality of pT2 was not fully satisfactory. Further research is expected to enhance pT2 quality.

The Effect of Change in Meat Quality Parameters on Pig Longissimus dorsi Muscle by the Addition of Fermented Persimmon Shell Diet

  • Kim, Hoi-Yun;Song, Young-Min;Jin, Sang-Keun;Kim, Il-Suk;Kang, Yang-Su;Lee, Sung-Dae;Chowdappa, Rekha;Ha, Ji-Hee;Kang, Seoc-Mo
    • Asian-Australasian Journal of Animal Sciences
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    • 제19권2호
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    • pp.286-291
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    • 2006
  • The objective of the present study was to investigate the effects of growth performance, chemical composition and meat quality parameters by the addition of fermented persimmon shell diets (FPSD). The experimental animals were ninety-six Berkshires. The pigs were allotted at 8 per pen in front-open building with three replicate pens per treatment. Until $61{\pm}1kg$ live weight at 140 days, the animals were fed growing diet, after which, experimental samples were fixed at 0, 3, 5 and 7% FPSD as C, T1, T2 and T3 in the finishing diets. Pigs of $103{\pm}1kg$ live weight were slaughtered by electrical stunning. In growth performance, ADG increased more (p<0.05) in T2 than C and T1. ADFI (kg/day) was higher (p<0.05) in T2 than in other groups. Feed conversion ratio was lower (p<0.05) in T2 than in other groups. On longissimus dorsi muscle (LM), the content of moisture was lower (p<0.05) in T3 than in other treatments. Crude fat increased (p<0.05) by addition of FPSD. pH at 24 h ($pH_{24}$) decreased more (p<0.05) in T2 and T3 than C and T1 by addition of FPSD. WHC decreased (p<0.05) by addition of FPSD. In meat, Hunter $L^*$ and $a^*$ were lower (p<0.05) in C than in other treatments. Hunter $b^*$ was higher (p<0.05) in T3 than in other treatments. In back-fat, Hunter $L^*$ was higher (p<0.05) in C than in other treatments. Hunter $a^*$ was not different in C and T1 but increased (p<0.05) in treatments by addition of FPSD. Hunter $b^*$ increased (p<0.05) by addition of FPSD. In sensory evaluation scores, for fresh meat, the value of meat color was higher (p<0.05) in T2 and T3 than in C and T1. The value of marbling was lower (p<0.05) in C than in other treatments. The value of drip loss was higher (p<0.05) in C than in other treatments and was lower (p<0.05) in T2 and T3 than in other treatments. The results of cooked meat, the value of tenderness was not different in C and T1 but increased (p<0.05) in other treatments. The value of flavor was significantly higher (p<0.05) in T2 and T3 than in C and T1. The value of overall acceptability was increased (p<0.05) by addition of FPSD. Hence we can conclude that addition of FPSD affected growth performance and meat quality parameters, in particular, it improved crude fat, hunter $L^*$ and $b^*$, and sensory evaluation on pork and was also seen to affect $pH_{24}$ and WHC. FPSD can be used for improvement of meat quality parameters.

간호관리학 임상실습에서 액션러닝의 개발 및 평가 (Development and Evaluation of Action Learning in Clinical Practice of Nursing Management)

  • 김윤민;김윤희
    • 한국콘텐츠학회논문지
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    • 제10권6호
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    • pp.312-322
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    • 2010
  • 본 연구는 간호관리학 임상실습에 액션러닝 프로그램을 개발하고 적용한 후 간호대학생의 문제해결과정에 미치는 영향을 알아보고자 시도되었다. 2006년 5월부터 2007년 10월 까지 G광역시의 일 간호대학생 99명을 대상으로 6단계로 구성된 액션러닝프로그램을 2주간 적용하였다. 연구결과는 다음과 같다. 액션러닝을 적용하기 전 보다 적용한 후 간호대학생의 문제해결과정은 유의한 향상을 보였다(t=-4.718, p=.000). 하위영역에서는 문제발견 영역(t=-1.858, p=.066)을 제외한 문제 정의(t=-4.123, p=.004), 문제해결책 고안(t=-2.973, p=.002), 문제해결책 실행(t=-3.264, p=.000)과 문제 해결검토(t=-3.677, p=.000)영역에서 유의한 향상을 보였다. 결론적으로 액션러닝은 간호학생들의 문제해결과정의 향상을 가져올 수 있고 졸업 후 임상적응력을 높일 수 있는 간호임상실습의 새로운 대안이 될 수 있다고 본다.

Effect of Dietary Copper Sources (Cupric Sulfate and Cupric Methionate) and Concentrations on Performance and Fecal Characteristics in Growing Pigs

  • Huang, Y.;Zhou, T.X.;Lee, J.H.;Jang, H.D.;Park, J.C.;Kim, I.H.
    • Asian-Australasian Journal of Animal Sciences
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    • 제23권6호
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    • pp.757-761
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    • 2010
  • This study was conducted to assess the effects of organic and inorganic copper on performance in growing pigs. A total of 100 pigs, average age 63 d and initial body weight 21.46${\pm}$1.13 kg, were assigned to five treatment groups. Dietary treatments included i) CON (basal diet, 0 ppm Cu), ii) T1 (basal diet with 67 ppm Cu as cupric sulfate, $CuSO_4$), iii) T2 (basal diet with 134 ppm Cu as $CuSO_4$), iv) T3 (basal diet with 67 ppm Cu as cupric methionate, CuMet) and v) T4 (basal diet with 134 ppm Cu as CuMet). Throughout the entire experimental period, ADG (average daily gain), ADFI (average daily feed intake) and G/F (gain: feed) ratios showed no significant differences. The dry matter digestibility was improved in the T1, T2, T3, and T4 treatments (p<0.05), as compared with CON. Nitrogen digestibility was improved in the T3 treatment group as compared with CON (p<0.05). As compared with the T1 treatment group, fecal pH values were improved in the CON, T3, and T4 treatment groups (p<0.05). Fecal Cu concentrations were significantly lower in the CON, T3, and T4 treatment groups than in T1 and T2 (p<0.05). The incidence of diarrhea was reduced when the pigs were fed on the T2, T3, and T4 diets as compared with CON. In conclusion, diets supplemented with 67 or 134 ppm Cu as CuMet may prove effective in improving nutrient digestibility and fecal pH value in growing pigs, and fecal Cu concentrations may be reduced by CuMet supplementation.

분쇄닭가슴살의 수세 방법과 pH 조절 수준에 따른 Surimi의 이화학적 특성 (Physico-chemical Characteristics of Surimi by Washing Method and pH Control Level of Chopped Chicken Breast)

  • 박기훈;진상근;김일석;하지희;강석모;최영준;김진수
    • Journal of Animal Science and Technology
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    • 제47권6호
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    • pp.1059-1066
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    • 2005
  • 닭가슴살을 이용해서 수리미 제조 시 4회 수세한 처리구 C, pH 3.0으로 산 처리한 T1, pH 11.0으로 알칼리 처리한 T2로 하여 그 품질 특성을 비교한 결과 일반성분에서 수분, 조 단백질과 염용성 단백질 및 수율은 수세법에 의한 C에 비하여 pH 조절법으로 한 두 구가 높았으며, 조지방 함량은 T2가 다른 두 구에 비하여 높았다. pH, 보수력, 파괴강도, 변형값은 처리 간에 유의적인 차이를 보이지 않았다. 전단가는 T2가 가장 높았고, T1, C 순이었다. 색의 L*값은 T2가 다른 두 구보다 낮았으며, a*값은 T1이 다른 두 구에 비하여 낮았다. b*값은 C가 가장 높았고, T2가 가장 낮았다. 조직감에서 표면경도 및 경도는 처리 간에 유의적인 차이를 보이지 않았으며, 응집성은 T1이 다른 두 구보다 낮았으며, 탄력성과 씹힘성은 C에 비하여 T1과 T2가 높았다. 검성은 C와 T1에 비하여 T2가 높았다. 조직감의 대부분 항목에서 T2가 가장 높았다. 관능검사 결과 외관과 맛은 T1이 가장 높고, C가 가장 낮았다. 색, 향, 다즙성, 연도 및 전체적인 기호도는 처리 간에 유의적인 차이가 없었다. 종합적으로 수세법으로 처리한 C 보다는 산과 알칼리 처리한 T1과 T2가 수율과 전반적인 조직 특성에서 양호하였으며, pH 조절한 산과 알칼리 처리 간에는 산 처리한 T1 보다는 T2가 육색면에서 명도는 낮았으나 전단가가 높아 더 치밀한 조직을 나타내었다.

호맥 사일리지의 급여가 비육돈의 생산성, 혈액 성상 및 도체 특성에 미치는 효과 (Effect of Feeding Rye Silage on Growth Performance, Blood and Carcass Characteristics in Finishing Pigs)

  • 조진호;한영근;민병준;진영걸;김해진;유종상;김정우;김인호
    • 한국축산식품학회지
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    • 제25권4호
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    • pp.449-457
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    • 2005
  • 본 연구는 조사료인 호맥 사일리지를 배합사료 원료 대체 급여 시 비육돈의 성장, 혈액성상 및 도체특성에 미치는 영향을 알아보기 위해 시험을 실시하였다. 3원 교잡종(Land-race ${\times}Yorkshire{\times}$ Duroc) 비육돈 18두를 공시하였으며 시험 개시시 평균체중은 $94.03\pm0.71kg$이었고 28일간 개체별 사양시험을 실시하였다. 시험설계는 호맥 사일리지 첨가에 따라 1) CON(commercial diet: ME 3,350 kcal/kg and crude fiber $2.84\%$), 2) T1(ME 3,294 kcal/kg and crude fiber$2.99\%$ diet with rye silage $1.66\%$) and 3) T2(ME 3,237 kcal/kg and crude fiber $3.15\%$ with rye silage $3.32\%$)로 3처리로 하여 처리당 6반복, 반복당 1마리씩 $1.8\pm1.8m$ 크기의 돈방에 개별 수용하였다. 사양시험 동안 총 사료섭취 량과 기초사료인 배합사료 섭취 량은 T1구와 T2구가 높았으며 CON구가 낮게 나타났다(P<0.05).혈액 내 코티졸 함량의 변화는 호맥 사일리지를 급여한 T1구와 T2구에서 통계적으로 감소하였다 (P<0.05). 육색 중 명도를 나타내는 $L^*$값, 육색과 근내 지방도는 T2구가 가장 높았고(P<0.05) 황색도를 나타내는 $b^*$값 은 T1구가 가장 높았다(P<0.05). 살코기 내 지방산 조성을 보면, palmitic acid와 arachidic acid에서는 대조구가 가장 높게 나타났으며(P<0.05), palmitoleic acid는 T2구가 가장 높게 나타났다(P<0.05). 지방 내 지방산 조성을 보면, palmitic acid 와 arachidic acid 함량은 다른 처리구와 비교하여 대조구가 유의적으로 가장 높았다(P<0.05). 건물과 질소 소화율에서는 T1과 T2구가 대조구와 비교하여 유의적으로 높았고 분내 propionic acid 함량은 T1구가 다른 처리구와 비교하여 가장 높게 나타났다(P<0.05). 결론적으로, 비육돈 사료 내 호맥 사일리지의 혼합급여는 사료섭취 량, 혈액 내 코티졸 함량의 감수 육의 명도, 육색, 근내 지방도 및 건물과 질소 소화율에 영향을 미치는 것으로 비추어 볼 때 배합사료 원료를 호맥 사일리지로 $3.32\%$ 대체하여 혼합 급여하는 것이 바람직할 것으로 사료된다.

Saccharomyces cerevisiae partially to completely ameliorates the adverse effects of aflatoxin on the in vitro rumen fermentation of buffalo diet

  • Singh, Ram;Koo, Jin Su;Park, Sungkwon;Balasubramanian, Balamuralikrishnan
    • 농업과학연구
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    • 제48권1호
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    • pp.73-81
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    • 2021
  • The current study investigated how Saccharomyces cerevisiae ameliorates the adverse effects of aflatoxin on in vitro rumen fermentation. In this study, five groups (T1: Control [basal feed]; T2: T1 + 300 ppb aflatoxin B1 [AFB1] and T3, T4, and T5: T2 with 0.05, 0.1, and 0.2% of S. cerevisiae, respectively) were prepared and incubated in vitro. The results revealed that truly degradable dry matter (TDDM), gas production (GP), microbial biomass production (MBP), truly degradable organic matter (TDOM), partitioning factor (PF), total volatile fatty acids (TVFA), acetate (A), propionate (P) and butyrate (B) values in the control group (T1) were higher (p < 0.05) than those of the AFB1 fed group (T2). The A : P ratio in the control group (T1) was reduced (p < 0.05) when compared to that of the T2 group. The TDDM, TDOM, GP, TVFA, A, P, and B values of T3, T4, and T5 improved with the increasing levels of S. cerevisiae; however, the values of group T5 were lower (p < 0.05) than that of the control. The values of MBP, A : P ratio and PF in group T5 were statistically similar to that of the control. It was concluded that the inclusion of S. cerevisiae (0.05 to 0.20%) to the AFB1 (300 ppb) contaminated feed partially to completely ameliorated the adverse effects of AFB1 on the in vitro rumen fermentation parameters.