Our nation is confronted with the situation that the rice, a principal food, short of some essential amino acids, leads to imbalanced meals insufficient in the nutrient of Protein, to bring many difficulties in the elevation of nutritional state in our nation. While. our country has been produced much amounts of Panax Ginseng roots which has a stimulating effects on the metabolism of protein, lipid and nucleic acids in the body. And the leaf and trunk of Panax Ginseng were also produced a considerable amounts as the by-products. Author believe that these by-products (leaf and trunk) of Panax Ginseng might have some components possessing simillar activity with Panax Ginseng root although the quantity and qualify of the functional components may more or less be different. Therefore, this study was demised to observe the supplemental effect of the Panax Ginseng-by-Products on the dietary protein efficiency and nutritional state of rats. The feeds used for this experiment were rice containing 30% barely, fish four, and the leaf, trunk and small root of the Panax Ginseng, and the contents of the general nutrients including protein, lipid and carbohydrate etc. in each feed were analyzed for the combination of each feed. And, being based on analytical values of Protein in food. fish Pour as Protein source was added were rice containing 30% barely to be include 8.6 to 8.7%, 12%, 15% and 18% of protein. Then 2% of the leaf, trunk or small reef of Panax Ginseng was supplemented into each of above protein diet group, ton 16 kinds of diets were Prepared. The male albino rats from a Pure strain, weighing 70g to 80g. were used for experimental animals. They were maintained with coresponding fist for f and 8 weeks, and the growth rate, consumption of diets and protein, efficiency of feed and Protein in animals were determined. The lipids, proteins and cholesterols in serum and liver were also determined quantitatively after they were sacrificed in coresponding term. The results obtained are summarized as follows: 1. Body weigh of diet group containing 8.6 to 8.7%,12%, and 15% of protein are increased remarkably by supplement of 2% of the leaf or small root of Panax Ginseng in comparison with each of controls. But this tendency could not observed in diet group containing 18eA Proteins. 2. Feed efficiency showed same tendency in comparison with changes of gained body weight. Specially, in each of diets containing 8.7%, 12%, 15% and 18% of Proteins, supplement of the leaf of Panax Ginseng showed the better feed efficiency than supplement of the trunk or small root. 3. In feeding group for 8 weeks, protein efficiency showed worst efficiency in diet containing 18% proteins and showed the best efficiency was the diet group containing 12% Proteins. And the efficiency was improved according to supplement of the leaf of Panax Ginseng. 4. Nitrogen contents in serum and liver did not show large differences each other in all diet groups. But contexts of total cholesterol and 1ipid were decreased markedly in diet groups containing 12%, 15% and 18% of proteins in comparison with diet group containing 8.6% to 8.8% of proteins.
Kim, Kyung-Hwan;Kim, Hea-Young;Ahn, Young-Soo;Lee, Woo-Choo;Hong, Sa-Suk
The Korean Journal of Pharmacology
/
v.20
no.2
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pp.49-57
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1984
The exocrine pancreatic secretion is controlled mainly by gastrointestinal hormones as well as cholinergic nerves. The adrenergic influence on exocrine pancreas is thought not to he important and the evidences supporting this contention are still contradictory. In an effort to elucidate the adrenergic influence on the exocrine pancreas, we have determined the amylase release from pancreatic slices of rats treated with adrenergic drugs. The albino rats of either sex, weighing $60{\sim}80\;g$, were decapitated and the uncinate pancreata were isolated and incubated in screw top vials containing 2 ml krebs-Ringer bicarbonate buffer solution gassed with 95% $O_2$ and 5% $CO_2$. These vials were shaken continuously in a waterbath maintained at $37^{circ}C$, and enzyme release was stimulated with acetylcholine$(10^{-5}M)$. For chronic treatment methoxamine$(an\;{\alpha}-adrenergic\;agonist,\;5\;mg/kg)$, isoproterenol (a\;{\beta}-adrenergic\;agonist,\;10\;mg/kg) and reserpine (0.5 mg/kg) along with cholecystokinin octapeptide$(CCK-op,\;2{\mu}g/kg)$ were given i.p. in rats daily for 3, 5, 7, 9 or 12 days. For acute experiment these drugs were added directly to the incubation medium in a concentration of $10^{-5}M$ except CCK-OP $(10^{-9}M)$. The results are summarized as follows. 1) The addition of methoxamine, isoproterenol or reserpine to the incubation medium containing pancreatic slices augmented the release of amylase induced by acetylcholine and among them the effect of isoproterenol was most prominent. 2) Chronic treatment of methoxamine or reserpine caused enhancement of acetylcholine response in amylase release from pancreatic slice throughout the experimental period, but the amylase release was less than that of control by 12 days isoproterenol treatment. 3) In the pancreatic slices obtained from 12 days treatment of CCK-OP, the amylae release responding to acetylcholine was enhanced. By these finding it is suggested that methoxamine, isoproterenol and reserpine had marked influence on the exocrine pancreatic functions in rats and that these effects are due to their inherent actions rather than sympathetic nerve or adrenergic receptor function.
Tegumental ultrastructures of Echinochasmus japonicus were observed by scanning electron microscopy. The worms were recovered from albino rats which were experimentally infected with the metacercariae obtained from Pseudorasbora parva. Followings are summarized findings. 1. The worms were minute and plumpy gourdshaped with attenuated anterior and round posterior end. The tegument of whole body was wrinkled transversely and covered with cobblestone-like cytoplasmic processes. 2. Head crown was armed with 24 collar spines which were embedded in cytoplasmic pockets. The spines were arranged in a row with an interruption at dorsomedian line, however, the 2nd and the 4th spines were outstretched more than others. Oral and ventral suckers were muscular with numerous type II sensory papillae, and genital pore opened between the two suckers. 3. Tegumental spines were spade-shaped with broad base and pointed tip. They were compact in ventra-lateral tegument or dorsal surface of anterior body. They were not found between the two suckers and dorsal surface of posterior body. 4. Two types of sensory papillae, uni-ciliated (Type I) and roundly swollen sensory papillae (Type II), were observed. The type I papillae were chiefly distributed on ventral surface of tegument and type II were on the lips of suckers. Arrangement of collar spines, shape and distribution of tegumental spines or sensory papillae are regarded as characteristic features of E. japonicus.
Using mature seed-derived callus, optimal conditions for efficient callus growth and plant regeneration, and regeneration efficiency by callus type were investigated in zoysiagrass (Zoysia japonica steud.). Callus induction was highest when the seeds were cultured on MS medium containing 2 mg/L 2,4-D, 0.2 mg/L BAP, 4 mg/L thiamine-HCl and 100 mg/L $\alpha$-ketoglutaric acid. Callus growth was highest when callus were cultured on MS medium containing 0.5 mg/L 2,4-D, 0.05 mg/L BAP, 4 mg/L thiamine-HCl and 100 mg/L $\alpha$-ketoglutaric acid. Plant regeneration was highest when callus was transferred on MS medium containing 3% maltose and 1 mg/L BAP, or 1 mg/L thidiazuron (TDZ). The combinations and concentrations of 2,4-D and BAP were shown to be critical factors for both the frequency and the type of callus. And four morphologically distinct types of callus were induced from the 2,4-D and BAP treatment. Type I,II and III calli produced shoots upon subculture, while the watery callus, type IV produced roots without shoots. Of four types of callus, type I exhibited the maximum frequency (82%) of shoot regeneration and the minimum frequency (4%) of albinism.
Despite the extensive study of protein effect to man and domestic animals, protein effect of sunflower seed oil cake to the growth and value of erythrocyte in rats is still remained to be investigated. This study is to investigate the effect of protein of sunflower seed oil cake to the rat growth and value of erythrocyte as well as the liver weight, heart, kidneys and spleen of rats. Sixty to seventy-days-old, male Sprague-Dawley rats weighing 50-60g, were used in this experiment and 36 rats allotted to 4 groups: standard, 30% cake, 20% cake and low protein. The standard group was fed for 7 weeks on the ration supplemented with 17% casein, 30% and 20% cake groups with sunflower seed oil cake by 30% and 20%, respectively, and low protein group without any supplementation. To observe value of erythrocyte, blood was taken from heart. Value of erythrocyte, hemoglobin and hematocrit value were determined by usual method and oxygen consumption by the method of Watts and Gourley. The result of this experiment suggests that it is recommendable to supplement deficient amino acids in animal.
Purpose: To determine the effect of zinc deficiency on fecal protein, electrolyte, and short-chain fatty acid levels in both heat-stable (ST) and heat-labile (LT) enterotoxigenic Escherichia coli (ETEC)-induced diarrhea in rats. Methods: Albino rats, weighing 100 to 150 g, were divided into 2 groups, with 15 animals each: non-zinc and zinc-deficient. These two groups were sub-divided into three sub-groups with five rats each: control (saline); LT-ETEC; and ST-ETEC. Sodium phytate (30 mmol/L) was added to the animals' water to induce zinc deficiency, while diarrhea was induced using 5×109 ETEC cells/mL. Fecal protein levels were estimated using the Bradford method, while sodium and potassium levels were determined using atomic absorption spectrophotometry. Short-chain fatty acids were measured using gas chromatography-mass spectrometry. Results: Among the non-zinc and zinc-deficient groups, there were significant increases (p=0.04), (p=0.03) in fecal protein concentrations (mg/mL) in the LT-ETEC- (4.50±0.33), (6.50±0.26) and ST-ETEC- (3.85±0.19), (5.98±0.32) induced groups compared to the control groups (2.60±0.52), (3.50±0.11) respectively. Fecal sodium and potassium levels (mg/L) were significantly (p=0.029) increased in non-zinc-deficient rats induced with LT-ETEC (9.35±0.95, 1.05±0.48), and ST-ETEC (9.96±1.02, 1.21±0.45) compared with the control group (8.07±0.44, 0.47±0.17) but the increase were not statistically significant (p=0.059) in the zinc deficient rat groups. Fecal acetate and propionate levels (mg/g) significantly (p=0.032) increased when induced with LT-ETEC and ST-ETEC in non-zinc and zinc-deficient groups compared with the control groups. Conclusion: Zinc deficiency among rats with ETEC-induced diarrhea elevated fecal protein loss but may not have an effect on fecal sodium, potassium and short-chain fatty acid levels.
Park, Soo-Nam;Kim, Jai-Hyun;Yang, Hee-Jung;Won, Bo-Ryoung;Ahn, You-Jin;Kang, Myung-Kyu
Journal of the Society of Cosmetic Scientists of Korea
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v.35
no.2
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pp.91-101
/
2009
in the cosmetics and medical supply field as a antioxidant material. The stable nano particle emulsion of skin toner type containing VEA was prepared. To evaluate the skin permeation, experiments on VEA permeation to the skin of the ICR outbred albino mice (12 weeks, about 50 g, female) and on differences of solubility as a function of receptor formulations was performed. The analysis of nano-emulsions containing VEA 0.07 % showed that the higher ethanol contents the larger emulsions were formed, while the higher surfactant contents the size became smaller.In this study, vitamin E acetate (VEA, tocopheryl acetate), a lipid-soluble vitamin which is widely used A certain contents of ethanol in receptor phase increased VEA solubility on the nano-emulsion. When the ethanol contents were 10.0 % and 20.0 %, the VEA solubility was higher than 5.0 % and 40.0 %, respectively. The type of surfactant in receptor solution influenced to VEA solubility. The comparison between three kind surfactants whose chemical structures and HLB values are different, showed that solubility of VEA was increased as order of sorbitan sesquioleate (Arlacel 83; HLB 3.7) > POE (10) hydrogenated castor oil (HCO-10; HLB 6.5) > sorbitan monostearate (Arlacel 60; HLB 4.7). VEA solubility was also shown to be different according to the type of antioxidant. In early time, the solubility of the sample including ascorbic acid was similar to those of other samples including other types of antioxidants. However, the solubility of the sample including ascorbic acid was 2 times higher than others after 24 h. Franz diffusion cell experiment using mouse skin was performed with four nano-emulsion samples which have different VEA contents. The emulsion of 10 wt% ethanol was shown to be the most permeable at the amount of 128.8 ${\mu}g/cm^2$. When the result of 10 % ethanol content was compared with initial input of 220.057 ${\mu}g/cm^2$, the permeated amount was 58.53 % and the permeated amount at 10 % ethanol was higher 45.0 % and 15.0 % than the other results which ethanol contents were 1.0 and 20.0 wt%, respectively. Emulsion particle size used 0.5 % surfactant (HCO-60) was 26.0 nm that is one twentieth time smaller than the size of 0.007 % surfactant (HCO-60) at the same ethanol content. Transepidermal permeation of VEA was 54.848 ${\mu}g/cm^2$ which is smaller than that of particlesize 590.7 nm. Skin permeation of nano-emulsion containing VEA and difference of VEA solubility as a function of receptor phase formulation were determined from the results. Using these results, optimal conditions of transepidermal permeation with VEA were considered to be set up.
Polymerase chain reaction (PCR) is a powerful technique to detect scanty amount of DNA from living organisms. The present study intended to develope specific primers for PCR diagnosis of pneumocystosis and to evaluate diagnostic efficacy by preparation of template DNAs from invasive BAk fluid and also to screen serum or blood as a non-invasive specimen. Albino rats of Wistar or Fischer strains were experimentally infected by Pneumocwstis ccrinii. Extracted DNAs or cell Iysates of their blood, bronchoalveolar lavage fluid, and lung homogenate were used as the tenlplate DNA. Primers were synthetic oligonucleotides among 16s rDNA sequences. All of the primer combinations gave PCR products, but the primer pair of #24 and #27 gave best quality product of 666 bp. The sensitivity of PCR with Iysates of BAk fluid was 57.7% but it increased to 84.6% with extracted DNAs. None of BAL Iysate or DNA was positive among 13 microscopically negatives. The serum DNAs were positive only in 2 cases out of 20 morphologically positive rats. DNAs of human, rat, other parasites, yeast, and microorganisms were negative. The findings suggest that the present primers are specific but simple Iysate of BAL fluid is not sensitive. PCR may be used as a routine diagnostic method of pneumocystosis if simple and rapid preparation of non-invasive clinical specimens are available.
This study aimed to determine the effects of adrenalectomy on the sexual gland, the thyroid gland and the serum components. A total of 192 Wister strain albino rats were evenly divided into 4 sexually equal groups for the comparisons. Each groups was divided into a control and a treatment group by sexuality. Each tissue of the sexual gland and the thyroid gland was microscopically examined, and at the same time body weight and serum components were also examined on the 1st, 7th, 14th, 28th, 42nd, 56th, 70th and 84th day respectively following adrenalectomy. The results obtained were as follows: 1. The body weight was sufficiently retarded in decreasingly after the adrenalectomy as compared to that of control. 2. The histological change of testis started atrophy of spermatogonia and degeneration of spermatocyte. There was a, pp.ared no cell division activity. Spermatozoa in the seminiferous tuble was not noticed but degeneration of interstitial cell was started and spermatozoa in the epididymal duct disa, pp.ared. 3. Degeneration of oocyte and follicular cell was noticed as the histological change of ovary. There was not a, pp.arance of primary follicle and corpus Iuteum but interstitial cell was proliferated. 4. For the effect of adrenalectomy on the histological change of the thyroid gland, the number of small follicle decreased and that of large follicle increased as the time passed following the adrenalectomy. And the follicular epithelial cell became squamous as typical condition of functional decreased. 5. It was shown that in the total contents of serum protein no difference with control occurred with in the 70th day for male and female adrenalectomized, respectively. But the differences in protein contents were significanly decreased on the 70th day. 6. No difference occurred in the total serum lipids on the 7th day, but they decreased significantly on the 42nd day, and (P<0.01) on the 56th, and 70th day. A tendency to decrease was noted as time elapsed following adrenalectomy. 7. Increase and decrease were intercrossed in the serum cholesterol contents between the control and th treatment groups on the 28th day. But the difference significantly decreased on the 42nd, 56th, and 70th day after adrelalectomized. The contents showed tendency to decrease as time elapsed following adrenalectomy. 8. The blood glucose contents rapidly decreased with time. The difference were significant on the 28th and 42nd day, and highly significant on the 56th and 70th day for male adrenalectomized. 9. In case of solium, there was no noticeable sexual distinction. There was slight in creasing or decreasing for the control group. But the treatment group tended continuously to decrease for male and female. 10. It was shown that potassium contents tended to increase on the 28th day for male and female, but the differences were small. 11. As for chlorine, it tended to decrease rapidly on 7th day for male and female adrenalectomized, and the tendency continued.
To observe the transmission patterns of karyotype of Pneumocystis carinii (Pc) by rat colonies, three strains of rats, Sprague-Dawlcy(SD), Wistar(W) and Fisher (F) from various animal vendors, were suppressed of their immunity by injection of methyl prednisolone. They were kept for 5 to 13 weeks in 3 different animal rooms, A, B, and C. The purified organisms were prepared in low melting point agarose gel by embedded Iysis method for pulsed field gel electrophoresis. Field inversion gel electrophoresis showed 2 patterns of the kart·otype of Pc. The rooms A and C contained SD rats from the source p, and also the room A was used for F and W rats. However, Pc from all of the SD and F rats in the room A showed same karyotypes, the pattern I. The SD rats from difFerent vendors, M and 5, were reared in the room B, and shared the same Pc karyotypes, the pattern II . The rats of W strain were from the vendor M, and immune-suppressed in the animal room A. Five weeks after the expe- riment, the Pc showed the karyotype pattern II but the pattern became mixed with the type I after 7 to 8 weeks. The Bindings revealed that the animals born and reared in the same animal quarter harbored Pc with same karyotypes. If the animals were kept under immune-suppression in the same room with heavily infected hosts, they could be infected by Pc from their neighbors. The present experimental findings suggest that Pc is transmitted among rats through the air.
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