This study was carried out to evaluate the effects of supplementary diet in infants. Influence of appropriate dietary habits on infants was also examined by being applicable to diets fortified chewiness as a means of intervention. The iron supplementary diet was supported to the healthy infants twice a day for three months. Measures of hemoglobin, hematocrit, RBC count, serum iron, TIBC, ferritin, development examination, and dietary intake patterns of experimental group (n = 25) and control group (n = 20) were performed before and after the intervention. The amount of iron intake from the supplementary diet in the experimental group was $1.77{\pm}0.80 {\cal}mg/day$. After the intervention period, the experimental group not only had increased intakes of grains also decreased intakes of milk. Outcomes observed in infants receiving iron intervention showed that the improved trend of excessive milk intakes and the possibility as a regular diet by serving the iron supplementary diet which can apply to main dish. All measures in blood did not provide significant differences except TIBC between the experimental and the control group before the intervention. But, after the intervention, the experimental group improved most levels of measures, especially significance in hemoglobin, but serum iron. Development of two groups did not differ significantly and both groups were in the range of normal infants' development. However, the levels of MDI and PDI evaluated by BSID-II in the experimental group were slightly higher than the control. Furthermore, the development of cognitive and languistic function was associated with infant growth in the experimental group. In conclusion, this research demonstrated that the iron supplementary diet could affect the iron status and the development of infants despite low-dose supplementation of iron.
This study was performed to investigate the effects of dietary protein content on recovery of laparotomized rats in terms of urinary epinephrine and norepinephrine plasma epinephrine and norepinephrine, . Fortyeigh male Sprague Dawley rats average-weighing 160g were divided into two diet groups ; LPD(10% low protein diet) group HPD(25% high protein diet) group After 3 days of adaptation period rats were given experimental diet for 14 days. Experimental period consists of 7-days pre-trauma and 7-days post-trauma period. Rats were laparotomized by 4cm abdominal incision under sodium pentobarbital anesthesia. During 7-days before and after the surgery urine and plasma were collected for the analysis of epinephrine and norepine-phrine. The results are as follows: 1) After laparotomy urinary epinephrine level was not increased in two diet groups. Urinary epinephrine concentration of rats in LPD group was considerably increased in post-trauma day 3 and thereafter gradually reduced. By post-trauma day 4 however urinary epinephrine concentration of rats in HPD groups was recovered to pre-trauma level 2) Urinary norepinephrine concentration of rats in LPD group was significantly increased after trauma(p<0.01) and the difference between LPD and HPD in post-trauma average norepinephrine concentration was not significant. 3) Post-traum average plasma epinephrine concentration was higher but not significant than that of pre-truma average in both groups [LPD(19.88ng/ml vs 20.93ng/ml) HPD(17.20ng/ml vs 19.37ng/ml)] 4) Plasma norepinephrine concentration of rats in LPD group was significantly increased in post-trauma period(p<0.01) In HPD group however post-trauma average plasma norepi-nephrine concentration was significantly lower than pre-trauma average. Thus the results suggest that norepinehrine concentration was affected by trauma and rats in HPD group excreted less amount of norepinephrine than rats in LPD group.
A formula diet based on pork meat oligopeptides(pork meat protein hydrolysates) was designed for experimental hepatitic rats. The rats were given D-galactosamine for 6 days. During this period, the rats were provided with a 12% casein diet or the formula diet which was low in aromatic amino acids and rich in branched chain amino acids. The formula diet was prepared using pork meat oligopeptides as the principal nitrogen source. The hepatitic rats given the formula diet had lower plasma GOT and GPT concentrations. Additionally, the fischer ratio of the plasma was significantly lower in those rats. However, there was no significant difference in the plasma insulin-like growth factor-I concentration before and after acid-ethanol extraction among groups. These results suggest that the formula diet was better for the animals than the casein diet. Furthermore, these findings suggest that pork meat oligopeptides are an excellent material for preparation of formula diets for patients suffering from hepatitis.
Lee, K.U.;Boyd, R.D.;Austic, R.E.;Ross, D.A.;Han, In K.
Asian-Australasian Journal of Animal Sciences
/
v.11
no.6
/
pp.732-738
/
1998
Three crossbred gilts weighing $61{\pm}2kg$ ($mean{\pm}SD$) and three gilts weighing $52{\pm}3kg $ on the day before the first treatment began (d -1) were used for each of two experiments (Exp. 1 and Exp. 2), respectively. In Exp. 1, all pigs were fed the experimental diet (CP 19%) from d -7 to the end of study (d 21) to verify that nitrogen retention is constant during the 21 -d period. In Exp. 2, pigs were fed the control diet (CP 15.5 %) from d -7 to d 8 and then the low-lysine diet from d 9 to d 16 in order to determine how rapidly dietary changes in amino acid composition results in a new equilibrium for nitrogen metabolism. The amount of urine nitrogen loss was not different over 21 days (p > 0.10). Rates of nitrogen retention were not different among pigs (p > 0.10) nor over time (p > 0.10). Average nitrogen retention during the period was 1.00 g/kg $BW^{0.75}$ per day. The apparent biological value was 41%, which did not change over the 3-week period (p > 0.10). The overall efficiency of nitrogen use for nitrogen retention was 35% (Exp. 1). The amount of nitrogen loss in urine and the efficiency of nitrogen utilization for nitrogen gain reached a new equilibrium within 2 to 3 d after the diet was changed. The low-lysine diet resulted in a 20% increase of nitrogen loss in urine (p < 0.001) and a 9% decline in efficiency of nitrogen use for nitrogen retention (p < 0.001). Nitrogen retention while the pigs were fed the control diet was also higher than the retention when pigs were fed the low lysine diet (p < 0.001). The efficiency of nitrogen use for nitrogen retention in pigs fed the control diet was 57% (Exp. 2), which was higher (p < 0.001) than that from pigs fed the low-lysine diets (52%).
Objectives : This study was performed to identify the efficacy and safety of ephedra and green tea mesotherapy on localized fat. Methods : Twenty-five healthy $20{\sim}35$ year overweight women (body mass $index{\geq}23kg/m^2$) were recruited and randomly assigned to two groups : experimental(mahuang and green tea) group (n=13), placebo(Normal saline) group (n=12). Total 8 times of herbarl mesotherapy treatment were performed once per week, 4 times were performed on right thigh (1st period), after wash-out for 1 week, the other 4 times were performed on left thigh (2nd period) without any modification of diet or exercise. Body composition, thigh circumferences were measured at each period before and after the intervention. Subcutaneous fat was measured by CT scan at before and after the 1st period of intervention and free fatty acid(FFA) was measured immediately before 1st intervention, 1 hour later, 24 hours later, and 7 days later. Satisfaction score and adverse events were evaluated. Results : In the subcutaneous fat, there were no significances, but in the circumferences. Experimental group had significant change when compared with placebo group (p<0.05). In FFA, experimental group has significant elevation at after 1 hour (p<0.05) evaluation. There were no serious adverse events in both groups. Conclusions : Experimental group had some significant findings in circumference, FFA, and had no serious adverse events comparing with placebo group, and no serious adverse events have been reported in both group. Mesotherapy with herb have a possibility of treating localized fat
The purpose of this study was to investigate the influence of mixed NaCl-KCl salt on sodium intake and urinary excretion of sodium and potassium. In this study, 3-day food records for pre-experimental diet and 24-hr urine collected for 2-days, 6-day experimental diet food and 24-hr urine were used to evaluate the relationship between Na metabolism. In the experimental diet food, mixed NaCl-KCl salt was added. During the pre-experimental diet period, intakes of Na and K were 178.2 mEq and 56.4 mEq, respectively. The urinary excretion of Na and K in 24-hr were 139.6 mEq, 27.7 mEq, respectively and urinary Na/K ratio was 6.6. During the experimental diet period, intakes of Na and K were 130.2 mEq and 120.4 mEq, respectively. The urinary excretion of Na and K in 24-hr were 100.2 mEq, 37.1 mEq, respectively and urinary Na/K ratio was 2.8. According to this study, it is concluded that mixed NaCl-KCl salt diet decreased the intake of Na, and increased the intake of K.
Journal of the Korean Society of Food Science and Nutrition
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v.20
no.2
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pp.94-102
/
1991
This study was directed to further clarify the effect of resting time or dietary condition for the improvement of exercise capacity and physical fitness, and the changes of some body consitiuents and physiological functions which are related to the exercise metabolism. Sixteen male students(8 athletes and 8 nonathletes)were participated during 3 weeks(Aug. 20-Sep.9, 1989). Each subject performed two treadmill running trials at an absolute intensity (1 mintute in 3.4mph/15% slope and 2 minutes in 5.5mph/20% slope). In the resting time trials, general diet was fed before 1, 2, 4 and 12 hours of the treadmill exercise loaded. in the dietary condition trials, high carbohydrate(HC), high fat(HF) and high protein(HP) diet were fed before 2 hours of the treadmill exercise loaded. Control trial was that of resting time before treadmill exercise loaded after 12 hours of general diet feeding. Measurement were made to study the change of blood glucose, palmitate, lactate, blood pressure and heart rate. The results obtained are summarized as follows: Mean daily metabolizable period. In resting time trial, the blood glucose concentration of athlete and nonathlete from 2 hours group was similar to control group. The blood palmitate concentration of athlete was increased in 1 and 2 hours group but those of nonathlete was not only increased in 1 and2 hours group but was more increased in 12 hours group, compared with both control group. The blood lactate concentration was increased in all experimental group, compared with both control group and those of nonathlete was much higher than athlets. The elevation rate of blood pressure in pre-and after-exercise of athlete was lower than those of nonathlete. In dietary composition trial, the blood glucose concentration of athlete and nonathlete in HC group was higher than other diet groups. The blood lactate concentration of athlete and nonathlete in HC group was lower than other diet groups. There was no remarkable change of the blood palmitate concentration and heart rate in each dietary composition trial, but those of nonathlete was low in HC and high in HP group. In above results, it was suggested that the effective condition of resting time and dietary composition for the improvement of exercise capacity of nonathlete may be 2 hours and HC diet, respectively. But it was showed that the exercise capacity of athlete may not be affected by experimental condition of resting time, except 1 hour after feeding or of dietary composition because of well adaptation in new exercise condition.
Nine Holstein cows in mid lactation period were utilized to examine the effect of recombinant bovine somatotropin (BST) of tow companies (Company A, Company B) on milk production and milk composition under the feeding conditions of Korea. Treatments were 0 (Control), 25 mg BST/day from company A (BST A) and 25 mg BST/day from company B (BST B) injected subcutaneously, once daily beginning at $200{\pm}20$ days postpartum and continuing for 28 days. Cows were fed ad libitum a total mixed diet throughout the experimental period. BST treatments increased average 4% fat corrected milk yields and milk energy output over the 28-day treatment period. However, no differences were observed in dry matter intake, gross efficiency, energy intake and percent milk energy. Although there was a tendency for increased milk fat percent, there were no differences in milk composition and yields of major milk components except for milk fat yield with BST injection. Somatic cells of all groups were also characteristic of a well managed herd. Neither mean body condition score nor body weight was significantly (p <0.05) changed before and during BST treatment. BST concentration in milk remained in the range of control animals throughout the experimental period of BST treatment. Results indicate that short-term injection of recombinant bovine somatotropin from two companies to lactating dairy cow resulted in similar increased in milk yield without alteration of major milk components or feed intake.
Journal of the Korean Applied Science and Technology
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v.5
no.2
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pp.39-54
/
1988
The effects of exercise and selenium added high fat diet on edurance and serum lipid components were studied in rats. A total of 72 male Sprague-Dawley ($150{\pm}35g$, body weight) were divided into trained group and untrained group and were bred for 7 weeks. Each group had 6 different dietary subgroups; namely, basal diet, 20% shortening and 20% soybean oil subgroup and selenium (0.01mg%) added each subgroups. Exercises of 8-min treadmill running and 10-min swimming were given to the trained group every other day during the experimental period while only treadmill running was given to the untrained group during the last week. The amounts of food intake, changes in body weight and endurance were determined once a week and serum lipid components were measured before and after experimental period. Following are the results obtained : 1) The untrained group took a slightly larger amount of food than that in the trained group. The food efficiency is, however, higher in the trained group. Body weight increased more in untrained group, while high fat diet resulted in greater increment in body weight than that in normal diet groups. 2) The trained group showed remarkably longer endurance than the untrained group and selenium added high fat diet enhanced the effect. 3) The trained group showed lower blood level of T-chol., TG and TG/PL than the untrained group. All the other blood values of HDL-chol., PL, MDL-chol./T-chol., HDL/LDL and A/G ratio were higher in trained group. 4) Soybean oil added dietary groups exibited lower blood levels of T-chol., TG, TG/PL and A/G than those in shortening added dietary groups. On the contrary, the former groups showed higher blood HDL-chol., PL., HDL, HDL-chol. and HDL/LDL ratio than those of soybean oil added dietary groups. 5) $LDH_5$ was the most abundant one among serum LDH isozymes. The electrophoretic pattern of serum LDH isozymes was not changed by exercise training and selenium added high fat diet. 6) Exercise training lowered blood GOT and TBA. These effects were enhanced by soybean oil added diets. From the above results it was concluded that a regular and long term exercise training as well as a small amount of selenium added high fat diet result in reduction of body weight and TBA and improve dietary efficiency and physical endurance in rats.
The purpose of this study was to investigate the effectiveness of enteral nutritional support to cancer patients who were clinically malnourished and receiving chemotherapy after surgery. To estimate the effect of nutritional support using Greenbia(Dr. Chung's Food Cooperation, LTD., Seoul, Korea) for patients with cancer, 41 patients were participated between January 1991 to November 1991. All patients were randomized into 2 groups and 18 patients were evaluated(experimental group : 12, control group : 6). The counseling was carried out once a week for 2 months. To compare the nutrient intake before and after administration of nutritional beverage and to identify the potential effectiveness of nutritional support in this group, a record of this diet on all patients during the test period was carried out for 3 days. To evaluate the patients nutritional status, the anthropometric parameters and serum protein were checked at the begining as baseline, week 3, week 6, and at the end of the test(week 8). In the case of energy balance, no patients appeared to be positive before administration of nutritional beverage, while 2 patients among 12 were observed to be more than 100% positive after administration. There were some differences among the experimental group which had administration of nutritional beverage but most of the results of anthropometric parameters were improved. When comparing the experimental and control group, there was significant increase in body weight, body fat, arm circumference and tricep skinfold. This study suggests that enteral nutritional support can help improving the nutritional status of patients received chemotherapy.
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