• 제목/요약/키워드: Pressor effect

검색결과 64건 처리시간 0.023초

어육(魚肉) 연제품(煉製品)의 보수력(保水力)에 관(關)한 연구(硏究) (A Study on Water Holding Capacity of Fish Meat Paste Products)

  • 김무남;조상준;이강호;최진호
    • 한국식품영양과학회지
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    • 제7권1호
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    • pp.43-52
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    • 1978
  • It is well known that water holding capacity plays an important role in processing such meat products as frankfurter-type sausage and fish meat paste products as kamaboko and fish sausage. Consumer qualities of meat products, such as appearance, flavor, as well as drip and shrinkage on cooking, depend greatly on the degree of water binding. In this paper, the water holding capacities of fish paste and salt added paste of white corvenia, Argyrosomus argentatus and file fish, Novodon modestus were measured by centrifuging and press method before and after cooking. And the effects of the addition of phosphates and starch to enhance water binding and stabilize gel formation were also discussed. In addition, the experimental conditions which are suitable to determine the water binding of fish meat paste product were suggested. The results were expressed in percent of water absorbed by the filter paper when pressed or released by pressor or centrifuge to the weight of sample. From the results. a proper condition to measure the water holding capacity of fish meat paste was that 3.0 g of sample which was previously added with 10 percent water was centrifuged at 13,400 G or 12,000 rpm for 15 minutes for the centriguging method and for press method, 0.3 g sample with 10 percent of water added was extracted by an oil pressor at $30\;kg/cm^2$ for 1 minute. Water holding capacity of fresh paste of white corvenia was relatively higher than that of file fish and the difference between species of fish was greater than the difference between measurments by two methods. Sodium chloride had a great effect on enhancing the water holding capacity of fish meat paste giving better effect when 3.0 percent of salt was added. Phosphates used except calcium phosphate revealed a certain enhancement in water binding, yielding best effect at 0.3 percent addition, and metaphosphate seemed to be more effective in order. The addition of corn starch, however, appeared to be not so effective for enhancement of water binding in fresh-salt-added fish meat paste but in cooked fish paste which might be attributed to absorption of water by starch grain and swelling during the heating and consequently enforced gel strength of cooked fish paste. And the water holding capacity of cooked fish paste was proportionally related to its gel strength.

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Cardiovascular Actions of Daucus carota

  • Gilani, A.H.;Shaheen, F.;Saeed, S.A.
    • Archives of Pharmacal Research
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    • 제17권3호
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    • pp.150-153
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    • 1994
  • Ethanolic extract of Daucus carota (DC) at the dose of 10-100 mg/kg caused a dose-dependent fall in systolic and diastolic arterial blood pressure in nomotensive anesthetized rats. These effects were not blocked by atropine (1 mg/kg) and pretratment with DC did not alter the pressor response to norepinephrine indicating that cardiovascular effects of DC are independent of cholinergic or adrenergic recptors involvement. In spontaneously beating guinea-pig paired atria, DC induced a concentration-dependent (03-5 mg/ml) decrease in force and rate of atrial contractions. In rabbit thoracic aorta, DC caused inhibition of $K^+$-induced contractions at similar concentrations. These results suggest that the extract may exhibit $Ca^{2+}$ channel blocking-like direct relaxant action on cardiac and smooth muscle preperations and this action may be responsible for its hypotensive effect observed in the in vivo studies.

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홍화약침(CF)의 부작용에 관한 임상적 고찰 (The clinical studies on the cased of side effect of CF Herbal Acupuncture)

  • 강계성;이진선;권기록
    • 대한약침학회지
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    • 제4권2호
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    • pp.65-71
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    • 2001
  • Objectives : This study was performed to examine the patterns and to prevent the side effects of CF Herbal Acupuncture treatment Methods : We observed 10 patients who complained the side effects of Herbal acupuncture CF and 2 healthy men for the sake of examine the cause from the August 17 to 24, 2001. Results 1. All of the patients complained severe pain, redish, and edema on the side of injections 2. We were able to witness decrease in pain, redish, and edema, after 2days of injection. After 4days, we were unable to any side effects. 3. According to the clinical studies, we came to determine that the CF herbal abstract which caused the side effects were manufactured between 4 to 13 days, August 4. We assume these side effects were caused by minute quantity of toxin remaining in the screw pressor mixed with the CF herbal abstract.

가토(家兎) 및 묘(猫)에서의 두개내압항진(頭蓋內壓亢進)에 의한 혈압반응(血壓反應)에 관하여 -Reserpine 및 6-Hydroxydopamine의 영향(影響)- (Blood Pressure Response to Raised Intracranial Pressure in Rabbits and Cats -Effect of Reserpine and 6-Hydroxydopamine-)

  • 이제혁
    • 대한약리학회지
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    • 제13권2호
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    • pp.19-34
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    • 1977
  • 1) 마취가토(痲醉家兎) 및 묘(猫)에서 경뇌막외강(硬腦膜外腔)을 통(通)한 가압방법(加壓方法)으로 두개내압상승(頭蓋內驅上昇)과 혈압(血壓) 및 심박(心搏)과의 관계(關係)를 조사(調査)하였다. 2) 양동물(兩動物)에서 두개내압(頭盞內壓)을 상승(上昇)시켜 두개내압(頭蓋內壓)과 혈압(血壓)의 차(差)가 아주 적어지면 현저(顯著)한 혈압상승(血壓上昇)이 나타났다. 3) 양동물(兩動物)에서 두개내압(頭盞內壓)이 혈압(血壓)보다 높아지면 현저(顯著)한 혈압하강(血壓下降)과 현저(顯著)한 일시적(一時的)인 심박감소(心搏減少)가 나타났다. 4) Reserpine 처리동물(處理動物)에서는 두개내압상승(頭蓋內驅上昇)은 혈압하강(血壓下降), 심박감소(心搏減少)를 일으켰다. 5) 6-Hydroxydopamine 처리(뇌내)동물(處理(腦內)動物)에서는 두개내압상승(頭蓋內驅上昇)에 의한 혈압상승(血壓上昇)은 비처리동물(非處理動物)에 비(比)하여 약(弱)하였다. 6) Reserpine 처리동물(處理動物)의 측뇌실내(側腦室內)에 norepinephrine을 투여(投與)한 후(後)에는 두개내압상승(頭蓋內驅上昇)은 현저(顯著)한 혈압상승(血壓上昇)을 일으켰다. 7) 두개내압상승(頭蓋內驅上昇)에 의한 혈압상승(血壓上昇)은 두개내압상승(頭蓋內驅上昇)으로써 뇌내(腦內) noradrenergic neuron이 자극(刺戟)되여 norepinephrine 유리(遊離)가 증가(增加)한 결과(結果) 일어나는 것으로 추리(推理)하였다.

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나이가 다른 흰쥐에서 n-6/n-3 비율과 P/S 비율이 다른 식이지방이 면역능력에 미치는 영향 연구 (Effects of Dietary Fat with Various Ratios in n-6/n-3 and P/S on Immune Responses of Rats at Different Age)

  • 김우경
    • Journal of Nutrition and Health
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    • 제28권10호
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    • pp.1004-1014
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    • 1995
  • Effect of age and dietary fatty acid composition on immune responses were investigated in Sprague-Dawley male rets. The animals weighing 88.6$\pm$2.2g were fed 10% dietary fat (W/W, 20% of calorie) with P/S ratio of 0.5, 1 and 2, and in each group, there were three different levels of n-6/n-3 fatty acid ratio; 2, 4 and 8(3$\times$3). The experimental periods were 1 month, 6 months and 12 months. The results of this study were; 1) Weights of thymus and spleen were significantly reduced with increasing age, moreover thymus weights were reduced with increasing the degree of unsaturation in dietarty fatty acid at 12 month. 2) The proportion of splenic lymphocyte in the total T-cell was increased with increased with age. The proportion of helper T-cell was not changed, while the proportion of suppressor T-cell was decreased. Thus at 12 month, the ratio of helpe $r^pressor T-cell was appeared to increase significantly, and showed the tendency to increase by consuming the low amount of dieraty n-3 fatty acid. 3) Proliferation stimulated by Con A or PWM reduced significantly at 12 month in which are high in dietary P/S ratio, representing the similar pattern with decrease in thymus weight. 4) Natural killer cell activities were shown significantly higher at 1 month than those at 6 month or 12 month.th.

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소풍탕이 흰쥐의 혈압에 미치는 영향 (Influence of Sopung-Tang on the Blood Pressure Response of the Rat)

  • 문영희;정명현;주흥규;임동윤;유호진
    • 생약학회지
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    • 제21권2호
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    • pp.173-178
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    • 1990
  • This study was attempted to examine the effect of Sopung-Tang(SPT) on the arterial blood pressure in rats and to elucidate its mechanism of action. SPT given into a femoral vein produced a dose-related vasopressor responses followed by vasodepressor responses. SPT-induced hypotension was significantly inhibited by pretreatment with atropine or propranolol while was not affected by chlorisondamine, Prazosin and cyproheptadine. SPT-evoked hypertensive activity was markedly blocked by pretreatment with prazosin but was not influenced by atropine, chlorisondamine, propranolol and cyproheptadine. Infusion of SPT(15.0 mg/kg/30min) did not affect norepinephrine-induced pressor responses. These experimental results suggest that SPT causes biphasically initial hypertensive activity followed by hypotensive activity, and that this hypertension may be due to the stimulation of peripheral adrenergic alpha-receptors and hypotension may be elicited through stimulation of peripheral cholinergic muscarinic receptors and adrenergic beta-receptors.

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식후저혈압 위험 노인의 식전 물 섭취가 식후 혈압변화에 미치는 효과 (Effect of Water Drinking on the Postprandial Fall of Blood Pressure in the Elderly)

  • 손정태;이은주
    • 기본간호학회지
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    • 제17권3호
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    • pp.304-313
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    • 2010
  • Purpose: The purpose of this study was to examine preventive effects of water drinking on postprandial fall of blood pressure in the elderly. Method: Participants were 25 elders who had experienced postprandial fall of systolic blood pressure of more than 15mmHg in a previous study. Within subject repeated measures design using random order allocation was used to control extraneous variables among participants. During the experiment, each participant had to drink 400mL water before lunch, whereas when in the control, they only had their lunch. Blood pressure and heart rate were measured for both times before lunch and at 15 minutes intervals up to 90 minutes after lunch. Data were analyzed using descriptive statistics, repeated measures of ANOVA, paired t-test and Bonferroni adjustment as Post-hoc analysis. Results: Water drinking before lunch elicited significant pressor effects by increasing systolic and diastolic pressure $13.9{\pm}4.7/5.2{\pm}2.2mmHg$ compared blood pressure during the control p<.005, p<.022. Heart rate, however, did not change significantly at either time. Conclusion: Drinking water before meal is recommended for elders who experience postprandial hypotension. However, the appropriate volume of water to prevent postprandial fall in blood pressure should be further studied.

Captopril에 의한 폐동맥 내피세포중 활성형 Angiotensin 전환효소의 변화 (Effects of Captopril on the Active Angiotensin Converting Enzyme at the Pulmonary Endothelial Cells)

  • 안형수
    • 약학회지
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    • 제37권1호
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    • pp.41-48
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    • 1993
  • The effect of captopril on the lung angiotensin converting enzyme (ACE) was investigated after 3 weeks oral administration (120~160 mg/kg/day) through drinking water in SpragueDawley rats. On the $^{125}$I-351A, an ACE inhibitor, binding assay in the isolated perpused lungs, the number of ACE molecules at the intrapulmonary endothelial cell surface was significantly decreased (p<0.001), and recovered to the normal level 7 days after discontinuation of captopril treatment. Intrapulmonary conversion ratio of Al to All was also significantly decreased (p<0.05) in the isolated perpused lungs. Bolus intravenous injection of angiotensin I did not showed pressor response in the both of systemic and pulmonary blood pressure of the anesthetized rats. ACE activity of the lung homogenates was also significantly reduced. These data consistently indicate the decrease of functionally active ACE molecule at the pulmonary artery after chronic captopril treatment. However, serum ACE activity was increased three fold in captopril treated rats compared to the normal rats. So, these results suggest that the functionally active ACE molecule at the pulmonary artery was still inhibited, which is directly associated with the antihypertensive effects, even if the total angiotensn converting enzyme induction was resulted after chronic captopril treatment.

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안지오텐신 수용체 리간드 KR-31081의 생체 내 활성에 관한 연구 (Antihypertensive activity of KR-31081, an orally active nonpeptide AT1 receptor antagonist)

  • 이승호
    • 한국산학기술학회논문지
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    • 제10권11호
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    • pp.3473-3479
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    • 2009
  • 비펩타이드성 안지오텐신 수용체 길항제로 새롭게 개발된 KR-31081에 대한 생체 내 활성을 세가지 동물모델에서 검증하였다. 척수장애 동물모델에서 KR-31081은 로사탄보다 40배 이상의 경쟁적인 혈압강하 효과를 나타내었으며, 신성고혈압쥐 모델에서 KR-31081은 로사탄보다 10배 가량의 지속형 효과를 나타내었다. 또한 개실험에서 구강 투여한 KR-31081은 로사탄보다 20배 이상의 지속적인 혈압강하 효과를 나타내었다. 실험에 사용된 동물 모델 시스템에서 다른 혈관조절물질들과 상호작용을 하지 않는 것으로 나타난 KR-31081은 향후 고혈압 및 혈관질환에 대한 연구 및 진단에 활용될 수 있을 것이라고 판단된다.

음악 청취가 교감신경 활성화에 대한 심혈관 및 자율신경 반응 완화에 미치는 영향 (The effect of listening to music on cardiovascular and autonomic reactivity to sympathoexcitation in young adults)

  • 권정인;김현정;조민정;오유성;제세영
    • 한국응용과학기술학회지
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    • 제40권4호
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    • pp.674-684
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    • 2023
  • 스트레스 자극에 대한 심혈관계 및 교감신경계 과활성화 반응은 향후 심혈관계 질환 발생 및 심장 돌연사의 위험을 증가시킨다. 음악 청취는 자율신경계 기능을 향상시켜 안정 시 긴장 이완을 유도하는 것으로 알려져 있으나 음악이 스트레스 상황에서의 과도한 심혈관 반응을 완화 시킬 수 있는지에 대한 연구는 부족하다. 본 연구는 음악청취가 스트레스 자극에 대한 심혈관 반응성을 완화시켜 줄 수 있을지 검증하였다. 15명의 건강한 성인(남자 9명, 여성 6명)을 대상으로 무작위 교차 실험 설계로 진행하였다. 음악 처치는 음악을 30분간 청취하였고 통제 처치는 30분간 휴식을 취하였다. 냉압박 검사로 교감신경계를 자극하였으며, 변인으로 심박수, 상완 및 중심동맥 혈압과 심박변이도(heart rate variability)를 측정하였다. 연구 결과, 음악 처치와 통제 처치 모두 냉압박 검사 중 심박수와 혈압 반응이 유의하게 증가하였으나(p < .001), 처치와 시기 간 상호작용 효과는 유의하지 않았다. 회복 구간에서 상완동맥 수축기혈압이 음악처치 그룹에서만 유의하게 감소하였다(p = 0.008). 나머지 혈압 변인들도 음악중재 그룹에서 더 완화되는 경향이 나타났으나 통계적으로 유의하지는 않았다. 심박변이도는 음악 처치 전후로 음악 처치 그룹에서만 SDNN(standard deviation of the NN intervals), TP(total power)와 HF(high frequency)값이 유의하게 증가하였다(p = 0.001, p = 0.002, p = 0.011). 따라서 음악 청취는 스트레스 이후의 회복력을 촉진시킬 가능성이 있다. 음악 처치의 구체적인 변인들을 고려하여 과도한 심혈관 반응에 대한 보호 효과로서의 음악 청취에 대한 추가적인 연구가 필요하다.