This study was conducted to search the health food intake behavioral intentions of male workers. The health-related behavior of 150 subjects were compared(smoke, alcohol drink, breakfast, BMI, sleep, exercise and health check). On the basis of the Theory of Planned Behavior, the factors health-food intake behavior were evaluated; there were normative beliefs, motivation for compliance, subjective norms, social influence factors, and barriers as perceived behavior control. The results were showed with five points by the Likert scale and Significance by t-test. The most frequently consumed health food was tea(3.40/4points) followed by healthy drinks(2.49/4). As behavioral beliefs, if consumption of 'nutritional supplements'(3.61/5) and 'fatigue recovery'(3.62/5) received the highest scores. As a result, the idea of 'nutritional supplements'(3.94/5) and 'fatigue recovery'(4.06/5) were the important aspects, but others were also positively evaluated. As a sub-factor of subjective norms on normative beliefs, The highest social groups to encourage consumption of health food were parents (3.93/5), and the lowest were doctors (3.02/5). The most influential people were doctors (3.67/5) and spouses (3.65/5). Barriers to consumption health food were side effects (1.09/5) and price (2.08/5). Taking Ginseng products and other processed foods (juice, honey, bamboo, etc.) were correlated with health concern (p<0.05). Taking traditional stamina foods was correlated with dietary habit recognition (p<0.05). Mineral intake was positively correlated with age. Healthy drinks was negative (p<0.05). Minerals and supplement consumption were correlated with the practice of healthy behavior (p<0.01).
This study was designed to determine whether acute fructose or sucrose administration at different levels (0.05 g/kg, 0.1 g/kg or 0.4 g/kg body weight) might affect oral glucose tolerance test (OGTT) in normal and type 2 diabetic rats. In OGTT, there were no significant differences in glucose responses between acute fructose- and sucrose-administered groups. However, in normal rats, the AUCs of the blood glucose response for the fructose-administered groups tended to be lower than those of the control and sucrose-administered groups. The AUCs of the lower levels fructose- or sucrose-administered groups tended to be smaller than those of higher levels fructose- or sucrose-administered groups. In type 2 diabetic rats, only the AUC of the lowest level of fructose-administered (0.05 g/kg body weight) group was slightly smaller than that of the control group. The AUCs of fructose-administered groups tended to be smaller than those of the sucrose-administered groups, and the AUCs of lower levels fructose-administered groups tended to be smaller than those fed higher levels of fructose. We concluded from this experiment that fructose has tendency to be more effective in blood glucose regulation than sucrose, and moreover, that smaller amount of fructose is preferred to larger amount. Specifically, our experiments indicated that the fructose level of 0.05 g/kg body weight as dietary supplement was the most effective amount for blood glucose regulation from the pool of 0.05 g/kg, 0.1 g/kg and 0.4 g/kg body weights. Therefore, our results suggest the use of fructose as the substitute sweetener for sucrose, which may be beneficial for blood glucose regulation.
Recently it has been reported that vitamin A and retinol binding proteins (RBPs) in blood and urine were changed in the condition of diabetes mellitus or hyperlipidemia. Fruits and vegetables are recommended to consume for the people suffered from these chronic degenerative diseases. The main components of fruits and vegetables are dietary fibers, for example cellulose and pectin, of which function to affect the absorption and excretion of dietary fat and fat-soluble substances. This study was conducted to investigate the effect of dietary fibers on RBPs mRNA expression in liver, small intestine and serum of rat fed high fat diet during 4 weeks. Sprague-Dawley rats, weighing 121g on average, were divided into four groups; (Control; $17\%$ fat & cellulose supplement diet, HF0: $25\%$ fat & fiber free diet, B:.Uc: $25\%$ fat & cellulose supplement diet and HF0: $25\%$ fat & pectin supplement diet) . The rats fed high fat diet groups (HF0, HFC, HFP) tended to consume the food less than the control group, but FER of HF0 groups was significantly higher than the control (p < 0.05) . The weight of adrenal gland in high fat diet groups (HF0, HFC, HFP) was significantly less than the control. Total lipid in feces daily excreted and in liver did not show any significant differences among the groups. Total cholesterol in HFP group was significantly different from that of HFC group. Serum total cholesterol and triglyceride in other group tended to lower than other groups and HDL cholesterol higher. Consequently, AI (atherogenic index) was the lowest in HFP group. Vit A contents in feces daily excreted tended to lower in high fat diet groups (HF0, HFP) compared to the control group. That content in adrenal gland was the lowest in HF0 group, but not in liver. In HFP group were down-regulated cRBPI mRNA in liver and cRBPII mRNA in small intestine and up-regulated RBP and transthyretin expression in serum compared to the other groups. In conclusion, dietary fibers, especially pectin, in high fat diet might down-regulate the expression of CRBP I, CRBP II mRNA in liver and small intestine, but increase the secretion of RBP into serum and therefore inhance the bioavailability of Vit A through the body. (Korean J Nutrition 38(10): 817$\sim$826,2005)
The purpose of this study was evaluate the perception on the relationship between feeding and atopic dermatitis of infants. The results are summarized as follows:. The feeding method of atopic dermatitis infant was composed of breast feeding 26.9%, bottle feeding 50.9%, and mixed feeding 22.2%. 95.3% of the subjects recognized mother's meal during breast feeding were transmitted to infant, but 30.8% of breast feeding restricted their foods. Weaning food was recognized as a nutritional supplement primarily. 61.5% of the subjects perceived the relation between food and atopic dermatitis and 58.8% of the subject perceived atopic dermatitis infants will be cured by growing. 39.9% of the subjects answered that special food developed and made worse atopic dermatitis in their infants. Egg, mackerel, milk, pork, chicken scored high as doubtful food related with atopic dermatitis. It is necessary to find out the food that develop atopic dermatitis symtoms and make guidelines for diet therapy for the infants with atopic dermatitis.
The objective of this study was to propse the way that could enlarge the course In life for the graduates of Department of Food and Nutrition in Junior College. This study was carried out through the analysis of statistical data and questionnaires gathered from professors of Department of Food and Nutrition in Junior College and from dieticians of industry, school and hospital. The results of this study could be summarized as follows. 1. The cultivation number of dieticians is too excessive in comparison with the need, and so It is necessary for the colleges to restrict the row establishment of Department of Food and Nutrition for a time, and for the government to tighten the employment system of dieticians. 2. The employment of dieticians will be extended to such fields as school, hospital public health center and counsel office of nutrition to act as a nutritional educator or a medical server in the future, and consequently the colleges which cultivate dieticians should improve the curriculum to agree with this. 3. It is necessary for the government to renovate the system of dietician arrangement to such a way as establishes a new rule in which additional dietician Should be employed In accordance with the feeding number in industry and hospital, as restricts the position-combine of a dietician with a cook in a large feeding institute, as gives the qualification of a nutritional instructor only to the diatician at public health center, as gives the qualification of a nutrition -teacher to the dieticians who completed the course of study for the teaching profession and then allows them to act as a nutrition-teacher in school. 4. The way to give a higher grade of educational opportunity should be given to the graduates of Department of Food and Nutrition in Junior College for the supplement of dietician's faculty.
The current study examined the effects of freeze-dried mulberry fruit on disaccharidase activity in the small intestine and the lowering of blood glucose in streptozotocin (STZ)-induced diabetic rats. Sprague-Dawley male rats were randomly assigned to one normal and three streptozotocin (STZ)-induced diabetic groups. The diabetic groups were fed a mulberry fruit-free diet (DM-group), 0.3% mulberry fruit diet (DM-F group) or 0.6% mulberry fruit diet (DM-2F group). After they were fed the experimental diets for three weeks, diabetes was induced with an intraperitoneal injection of streptozotocin 50 mg/kg b.w before sacrificing 9 days later using the same experimental treatments. Analyses of anthocyanins, flavonoid and 1-deoxynojirimycin (DNJ) of lyophilized mulberry fruit were carried out and the major anthocyanins were rutin (142.5 mg), isoquercitrin (10.3 mg), quercetin (5.8 mg), morin (1.6 mg) dihydroquercetin (3.83 mg), cy-3-O-glucopyranoside (230.45 mg) and cy-3-O-rutinoside (131.5 mg) on the basis of 100 g dry weight. Total DNJ content was 2.39 mg/g dry weight of lyophilized mulberry fruit. Blood glucose level decreased in the diabetic mts fed the mulberry fruit supplement. The content of the liver glycogen increased in the diabetic mts fed the mulberry fruit supplement. Disaccharidase activity in the proximal part of the intestine, such as that of maltase, sucrase and lactase in the mulberry fruit supplementation groups, were lower than that of the DM group. These results suggest that mulberry fruit possess a suppressive effect on hyperglycemia, possibly by inhibiting the activity of disaccharidase in the small intestine of rats.
Kim, Min-Jeong;Park, Sunhyun;Lee, Ran-Sook;Lim, Sang-Dong;Kim, Hyo Jin;Lee, Myung-Ki
Food Science of Animal Resources
/
v.34
no.1
/
pp.65-72
/
2014
This study is executed to develop probiotics which produce S-adenosyl-L-methionine (SAM), a methyl group donor of the 5-methyltetrahydrofolate methylation reaction within the animal cell. SAM is an essential substance for the synthesis, activation, and metabolism of hormones, neurotransmitters, nucleic acids, phospholipids, and cell membranes of animals. The SAM is also known as a nutritional supplement to improve brain functions of the human. In this study, the SAM-producing strains are identified in 18 types of salted fish, and then, the strains with excellent SAM productions are being identified, with 1 strain in the Enterococcus genus and 9 strains in the Bacillus genus. Strains with a large amount of SAM production include the lactic acid bacteria such as En. faecium and En. durans, En. sanguinicola, as well as various strains in the Bacillus genus. The SAM-overproducing strains show antibacterial activities with certain harmful microbes in addition to the weak acid resistances and strong bile resistances, indicating characteristics of probiotics. It is possible that the jeotgal-originated beneficial strains with overproducing SAM can be commercially utilized in order to manufacture SAM enriched foods.
This study was done to analyze the consumption patterns of health functional food (HFF) as well as to perform needs assessment for the development of web-contents on HFF according to age of adults. The subjects were 238 male and female adults, divided into 4 groups by their age. This study collected all information by self-administrated questionnaires. The awareness on HFF was high in the older adults. The younger adults showed more negative responses to reliability and safety on HFF. The main reason for the consumption of HFF was to supplement nutrients and to prevent diseases. The main types of HFF consumed by adults were nutritional supplementary food, red ginseng products, and glucosamine products. There was higher consumption of nutritional supplementary food in the younger adults and glucosamine products in the older adults. Internet users had low level of satisfaction, with tendency to complain poor contents, reliability, difficulties in searching as problems of the pre-existing HFF websites. As useful methods for provision of information on HFF, most adults wanted general information, articles written by experts and videos. They also wanted to know the safety and side effects of HFF. Requirement of contents composition were various in-depth information, clear indication of citation, fresh updated data while that of display composition was easily-findable, uncomplicated, allowing mutual exchange of communication through bulletin board. These results can be used as basic data that reflect the consumer's needs for developing HFF web-contents according to age of adults.
Purified rat liver aryl sulfotransferase IV (AST IV) was found to be inhibited in vitro by zinc, copper, cadmium and terbium. Among these four elements, zinc, copper and cadmium were all strongly inhibitory to the AST IV activity at very low concentrations (2.5 $\mu$M to 0.025 $\mu$M). In rat liver cytosol, zinc, copper and cadmium at 25 $\mu$M to 0.025 $\mu$M also decreased the AST IV activity to $50\%$ of the controls. In order to assess the possible effects of these metals on the AST IV activity recovery pattern in vivo, studies on the relationship between these minerals and dietary 2-acetylaminofluorene were conducted. Total of forty rats were fed one of five diets for 6 weeks: diet 1, Control diet plus 2-acetlyaminofluorene ($0.05\%$); diet 2, zinc-deficient diet plus 2-acetlyaminofluorene; diet 3, zinc-supplement diet plus 2-acetylaminofluorene; diet 4, copper-supplement diet plus 2-acetylaminofluorene; diet 5, cadmium-supplement diet plus 2-acetylaminofluorene. Half of the rats from each diet were changed to individual diet after 3 weeks of 2-acetylaminofluorene feeding. Placement of rats on the control diet following one cycle of 2-acetylaminofluorene feeding of 3 weeks without 2-acetylaminofluorene resulted in nearly full recovery of AST IV activity within 3 or 4 weeks. However, the rats fed diets that supplemented with zinc, copper or cadmium without 2-acetylaminofluorene showed a new pattern of lowered AST IV activity as early as the first cycle. Also, lowering in cytosolic AST IV contents was appeared in the livers from the rats, following one cycle of 2-acetylaminofluorene feeding of 3 weeks, fed one of the diets that supplemented with copper, cadmium or zinc without 2-acetylaminofluorene for ensuing 3 weeks.
The content analysis of fatty acids in Perilla cultivars and commercial oils is conducted through gas chromatography with a flame ionization detector. Results show that Perilla cultivars, such as Deulsaem and Daesil, contain high amounts of ${\alpha}-linolenic$ acid (262.22 and 261.97 mg/g, respectively). Among commercial oils, Perilla oil contains a higher amount of ${\alpha}-linolenic$ acid (515.20 mg/g). Accordingly, ${\alpha}-linolenic$ acid is a major fatty acid of Perilla cultivars and oil. Therefore, Perilla cultivars could be used as a food supplement for nutritional and pharmaceutical purposes.
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