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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Journal of Food Hygiene and Safety
Journal Basic Information
Journal DOI :
The Korean Society of Food Hygiene and Safety
Editor in Chief :
Volume & Issues
Volume 5, Issue 4 - Dec 1990
Volume 5, Issue 3 - Sep 1990
Volume 5, Issue 1 - Mar 1990
Selecting the target year
Teratogenicity of Food Residual Organophosphate in the Developing Chick Embryo
Journal of Food Hygiene and Safety, volume 5, issue 4, 1990, Pages 171~178
Potential teratogenicity of Azinphos-methyl and Carbaryl was investigated in developing chick embryos.
of Azinphos-methyl and Carbaryl was injected into air sac on day 4 of incubation. Body weight changes and morphological changes were examined. The results obtained were summarized as follows; 1. Body length, limb lengths and claw length of groups treated with high dose of Azinphosmethyl and Carbaryl were significantly shortened compared to untreated of vehicle control and body weights of them were significantly lower than those of control groups. 2. Treatment of Azinphos-methyl and Carbaryl increased incidence ratios of dead embryo by dosage (Azinphos-methyl: 18%, 21%, 41%, Carbaryl: 26%, 50%). 3. One case of beak malformation occurred in Carbaryl treatment group.
Promotive Effects of Several Synthetic Hormones Using Short-Term Carcinogen Screening Method
Journal of Food Hygiene and Safety, volume 5, issue 4, 1990, Pages 179~186
This study was performed for assessing carcinogenicity of several synthetic hormones; Diethylstilbesterol (DES), 17-ethinylestradiol (
) and Bovine somatotrophin (BST). Six weeks old F344 rats were divided into five groups and given an intraperitoneally injection of 200 mg of diethylnitrosamine (DENA). At two week after beginnig of experiment, DES,
, BST. Phenobarbital were administered to group 1, 2, 3 and 4 respectively, group 4 is positive control and group 5 is negative control. At the same time, all groups received a single i.p. injection of D-galactosamine at a dose of 300 mg/kg and underwent 2/3 partial hepatectomy at week 5. All rats were sacrificed at the end of week 8 for assessment of liver lesion development. The liver was processed for immunohistochmical staining for GST-P and quantitatively analyzed by image analyzer. It was concluded that two synthetic estrogen hormones (DES,
) was different significantly (p < 0.01) but BST was not different as compared with control group. Therefore, we thought that DES,
was promoting effects and BST was not in rat hepatocarcinogenesis.
The Study of New Model for Stress-Induced Gastric Ulcer in Rat.
Journal of Food Hygiene and Safety, volume 5, issue 4, 1990, Pages 187~196
This study was carried out to develop new model for gastric ulcer and to investigate some factor which effect it. Rats were immersed for 8 hours. Ulcer index was measured from total length of occured ulcer. Ulcer index (UI) of restraint and immersion group was higher significantly than that of only restraint group (p<0.001) and ulcer was occurred within only glandular stomach. UI of low water temperature group was higher significantly than that of high water temperature group (p
A Study on the Sulfametazine residues in Swine Tissues
Journal of Food Hygiene and Safety, volume 5, issue 4, 1990, Pages 197~204
This study was carried out to determine the sulfametazine residues in swine tissues. For this experiment, 22 samples of porks were collected at meat markets in Seoul, 21 samples of swine muscles for export were collected at slaughterhouses in Gyunggi areas, and 18 samples of swine livers, kidneys, and muscles were collected from 6 swine at slaugterhouse in Seoul from the end of August to the early of October and were analyzed by High Performance Liquid Chromatography (HPLC). the results obtained were summarized as follows. 1. The sulfametazine residues were liver > kidney > muscle, and among liver, kidney and muscle were very significantly different(p<0.005). 2. The sulfametazine residue in liver was very significantly higher than that in muscle (p<0.005), the sulfametazine residue in kidney was significantly higher than that in muscle (p<0.005), but, the sulfametazine residue in liver was not significantly higher than that in kidney(p<0.05). 3. the sulfametazine residues in swine muscles for export wer exhibited a tendency to lower in small breeding size farms. 4. the sulfametazine fesidue in one of 22 samples of porks for domestic consumption was exceeded 0.1 ppm.
Epidemic Characteristics of Food Poisoning Outbreaks Reported in Korea, 1981-1989
Journal of Food Hygiene and Safety, volume 5, issue 4, 1990, Pages 205~212
Data used for this analysis were 281 outbreaks of food poisoning, excluding single cases, reported during 1981-1989. Patient size of 10 persons or less occupied 38.0% of the out breaks. The most frequently isolated bacterial pathogen was Vibrio, 35.4% ; followed by Salmonella, 27.2% ; Staphylococcus , 17.7% ; Escherichia coli , 17.7%. Plant toxin occupied 64% of poisonous substances. Sixty-six percent of food poisoning reported in urban area resulted from meals consumed in food consumed at home. Raw and under-cooked seafoods were the major cousative foods in food service establishments. Pork which frequently serviced at home ceremonies wes the major causative food in rural area. Mushroom poisoning generally occurred during regular meals at home.
A Study on the Determination of Caffeine in Coffee, Black tea and Green Tea by high performance Liquid Chromatography
Journal of Food Hygiene and Safety, volume 5, issue 4, 1990, Pages 213~217
A simple and practical method for the determination of caffeine in coffee, black tea and green tea was studied. The analysis of caffeine was performed by reverse phase high perfomance liquid chromatography using a
C18 column at isocratic condition with methanol-acetic acid-water (20: 1: 79) on UV detector at 280 nm. The extraction and clean-up of caffeine in sample is based on combing a simple pretreatment with the use of a Sep-Pak Alumina A cartridge. The average recoveries of caffeine from several samples were 95.2 -101.3%, the relative standard deviation for the whole procedure was 0.10 ~ 0.62%, and the detection limit of caffeine in sample solution was about
Comparative Studies on Protein Composition of Whey from Raw and Pasteurized Milk by Polyacrylamide Gel Electrophoresis
Journal of Food Hygiene and Safety, volume 5, issue 4, 1990, Pages 219~228
Whey proteins in milk were analyzed by polyacrylamide gel electrophoresis and compared with respect to electrophoregrams, densitograms and concentrations of whey proteins in raw and market milk classified according to 3 kinds of pasteurization by low temperature long time. high temperature short time and ultra-high temperature short time. Relative composition of major whey protein constituents such as bovine serum albumin,
in raw milk were 3.71:11.44:84.85 and not affected by low temperature long time and high temperature short time pasteurization, even though there were the tendencies of some declining in the actual concentrations. But by ultra-high temperature short time pasteurization compositions of whey protein were changed to 0: 64.75: 35 in which reflected the disapprearance of bovine serum albumin and the extensive decrease of
. Storage of low temperature pasteurized milk at
resulted in a slight decrease of
, but storage at
did not make any changes until3rd days of storage. Most of whey proteins in high temperature short time pasteurized milk were not affected during storage at
, but bovine serum albumin and
diminished in 2-3 days of storage. Whey proteins of milk treated with ultra-high temeperature were not affected during storage at
except a slight decrease of
in 2nd day of storage at
Effect of Ethanol on the Teratogenicity of Hypervitaminosis A in Rats
Journal of Food Hygiene and Safety, volume 5, issue 4, 1990, Pages 229~236
The effects of ethanol (ET) on the teratogenicity of the fat soluble drug, Vita. min A (VA) were examined in SPF Wistar rats. VA and ET were orally administered with sonde. The drugs were administered for 3 days of day 9-11 of gestation. Four groups were made; G-I control (sesame oil + saline), G-II VA
(I.Ulkg/day), G-III ET 2 (g/kg/day), G-IV
+ ET 2. Congenital malformations were found G-II, G-III and G-IV. All fetuses in G-IV combination had malforamtions. Main malformation in G-IV combi. nation were microstomia, disposition of ear, open eyelids brachygnathia and cleft plate. Accordingly it might be demonstrated that the teratogenicity of hypervitaminosis A was pontentiated by concurrent ethanol in rats.
Drect Interaction of Streptozotocin with TBA (thiobarbituric acid) in Lipid Peroxidation Analysis
Journal of Food Hygiene and Safety, volume 5, issue 4, 1990, Pages 237~242
This study was conducted to evaluate the usage of TBA method for the analysis of lipid peroxidation induced by streptozotocin. 5 mM streptozotocin and 1 % TBA alone showed the maximum peak at 309 nm and 358 nm respectively, although no peak was observed at 532 nm which was the wavelength to determine the absorbance for TBA method. When 5 mM streptozotocin was mixed together with 1 % TBA in vitro, new peaks at 439 nm and 532 nm had been detected, suggesting TBA did interact directly with streptozotocin forming new colored products. These results suggest that TBA method is not adequate for determination of lipid lperoxidation induced by streptozotocin.