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Dressed broilers 의 냉장중 특수단백질 변화
이영춘 한국농화학회 1971 Applied Biological Chemistry (Appl Biol Chem) Vol.14 No.2
From both breast and leg muscle of 12 week-old broiler chicken held for aging in slushed ice and dry chilling at 33-35℉., myosin, actomyosin and other nitrogenous fractions were extracted with KCl-phosphate buffer for various periods from 1 hr. to 25 hr. post-mortem. The changes in extractable nitrogen occurred mainly as a result of decrease in extractability of myosin and to some extent, increase in extractability of actomyosin. Changes in stroma, sarcoplasmic and NPN fractions were small. Myosin extractability decreased rapidly during the first 3 hr. post-mortem and then reduced Continuously in both leg muscle and breast muscle during wet chilling. The decrease of myosin extractability in leg muscle was much more than that in breast muscle, and then the extractability increased after 17 hr. post-mortem in dry chilling. Actomyosin was extracted at low consistent level in wet chilling, while it increased considerably after 17 hr, post-mortem in dry chilling. The tendency was similar in both breast and leg muscle.
조영증강 복부전산화촬영상의 내부 저음영을 보인 임파절에 대한 연구
이영춘 대한영상의학회 1988 대한영상의학회지 Vol.24 No.3
It is well recognized that the lymph node in matastasis or tuberculosis is frequently accompanied with cen-tral necrosis or caseation necrosis but occasionally in lymphoma. We experienced 43 cases of lymphadenopathy which showed central low density on postenhanced ab-dominal CT scan from Jan. 1985 to Mar. 1987. 1. During that period 338 cases showed abdominal lymphadenopathy in CT scan. Among them 43 cases showed central low denisty on postenhanced scan(12.7%) 2. Central low density was observed in 80.0% (4/5) of tuberculosis 38.1%(8/21) of lymphoma and 10.0%(31/312) of metastasis. 3. The pattern of contrast enhancement of lymph node was divided in 5 types as thin rim thick rim eccentric low density multiple low dens:ties and septated types. Thick rim type was the most common pattern of enhancement. The pattern was variable in lymphoma. In tuberculosis only thin or thick rim type were observed. septated type was only observed in metastatic tumors.