This study examined the intake patterns and information-seeking behaviors of elderly individuals with regard to health foods, according to sociodemograhic characteristics, awareness of health, and concerns and awareness about health foods. The data were collected from 421 elderly living in Seoul, Busan, Daegue, Daejon, and Gwangju, between January 17th and February 23rd, 2006. Frequencies and chi-square tests were conducted using SPSS Windows. The results are as follows: The respondents were highly concerned about their own health as well as health foods, and individuals primarily took nutritional supplements and glucosamine containing products. In addition, they had taken various health-improving foods. Most had intentionally consumed at least one health food, in order to maintain a condition of health. According to chi-square tests, women were more likely to consume health foods than men. The most important sources of information regarding health foods were family, relatives, and friends. Some respondents answered they had difficulties in obtaining and understanding health food-related information. Many respondents desired to get health food information regarding efficacy from TV, radio, and newspapers, as well as doctors, pharmacists, and dieticians.
The purpose of this study is to assess folate intake, and serum and red blood cell (RBC) folate concentrations, and investigate the association between folate status and health-related behaviors among Korean college students. A total of 169 students, aged between 18 and 27 years, participated in this study. Dietary intake data were collected by trained interviewers using a 24-hour recall method for three non-consecutive days in 2009. Information on health-related behaviors was obtained by a self-administered questionnaire. Serum and RBC folate concentrations were measured by microbiological assay. The average intakes of folate were $456{\mu}gDFE$ and $347{\mu}gDFE$ in male and female students, respectively. While the average serum folate concentration was significantly lower in male students (8.9 ng/mL) compared to female students (12.5 ng/mL), RBC concentrations were not significantly different between male (398.6 ng/mL) and female students (405.3 ng/mL). In male students, low serum folate concentrations were associated with total folate intake less than the Estimated Average Requirement, non-use of folic acid supplements, smoking, alcohol drinking at least once a week and low physical activity. In female students, low serum folate concentrations were associated with smoking and alcohol drinking at least two drinks at a time and BMI ${\geq}25$. Alcohol drinking and low physical activity were also associated with low RBC folate concentrations in both male and female students. In order to improve folate nutritional status of college students, the practice of desirable health-related behaviors, such as non-smoking, moderate alcohol drinking, regular physical activity, and maintenance of healthy BMI should be encouraged along with consumption of folate-rich foods and supplements.
Purpose: Recently, high-protein diets have become highly popular, and the market for protein products has steadily increased in Korea together with the development of various types of such products. However, there is limited information on the consumption of protein supplements (PS) or protein-fortified foods (PF). Thus, this study aimed to evaluate the use of PS/PF among young adults in Jeju. Methods: A total of 350 adults (140 men and 210 women) aged 19-39 years voluntarily participated in this study from June 2022 to May 2023. PS/PF use was measured using a questionnaire. Dietary intake was assessed using a 24-hour dietary recall. Results: Approximately 31.4% of the participants (n = 110) had consumed PS/PF for more than 2 weeks during the past year and 71.8% of them (n = 79) were still consuming these products (PS/PF consumers). The PS/PF consumers tended to be male and physically active (p < 0.05 for all). The most frequent reason for PS/PF use was muscle gain (59.5%), followed by protein supplementation (19.0%) and body fat loss (13.9%), and the most frequent type of PS/PF consumed was powders (70.6%), followed by drinks (17.7%) and bars (8.8%). The PS/PF consumers tended to consume a high-protein low-carbohydrate diet compared to the non-consumers. The prevalence of consuming dietary protein less than the estimated average requirement (EAR) was significantly lower in PS/PF consumers (13.9%) compared to non-consumers (25.4%; p = 0.0316). Conclusion: These findings indicate that the necessity of protein supplementation should be determined based on the current dietary protein intake and individual requirements. The study also provides the basic information for establishing guidelines for appropriate protein intake.
This study analyzed consumers' recognition and demand for probiotic products and dietary and living habits according to their probiotics ingestion experience to provide information on the development of probiotic products and marketing strategies in the health functional food-related industry. A total of 280 consumers living in Seoul, Incheon and Kyeonggi-do area were enrolled in this study. The consumers expected mostly intestinal health (80.4%) after ingesting probiotics. The appropriate price level for purchasing probiotics was between 20,000-50,000 won (58.2%), preferring a price range of 50,000 won or less (77.1%). There was a significant difference in the dietary habits depending on the experience of probiotics ingestion, but there was no difference in the living habit. Consumers took Vitamin C, red Ginseng and Ginseng the most instead of probiotics as health functional foods. Based on the results, a marketing strategy could be established to meet the consumer's needs, such as focusing on the effects of probiotics, building up various price policies and the development of new products mixing with other commonly consumed health supplements.
The purpose of this study was to investigate of the dietary life, nutritional status and health condition in 100 elderly living in nursing homes in Pusan area. The quality of meals served in nursing homes base on nutrient contents and the state of preferared foods was evaluated by the questionaire and the nutritional status and health condition of subjects were estimated by the analysis of serum components. The results of this study are summarized as follows: 1 Almost all subjects were aged over 70 years and poor-educated. Mean height and weight of subjects were lower than Korean average standard but Body Mass Index(BMI) of those were normal and body fat contents of females were especially high. 2. Protein, vitamin A, vitamin C and Ca intake of subjects were lower than Korean RDA. Subjects preferred pan-broiled for meats and fishes, muchim for vegetables fruits as food between meals. 3. There were no smoking and drinking in almost all subjects. All subjects have taken nutritional supplements, mainly mineral supplements. Prevalence of disease in subjects were in the following order : cardiovascular, stomach, neuralgia in males. The frequency of neuralgia in females was highest. 4. Serum levels of HDL-cholesterol, total cholesterol, triglyceride, total protein, albumin, globulin, Ca and Mg were lower than those of normal ranges. Therefore, it Is necessary to improve nutritional status of the elderly in nursing homes with by increasing the various side dishes and to develop the standard menu for those.
The purpose of this study was to compare weight control behaviour, eating habits, and health-related life habits according to degree of obesity among normal, overweight, and obese groups. Self-perception of weight and desire for weight control in males (p<0.001) and females (p<0.001) varied among the three groups. Reasons (p<0.001), experience (p<0.01), and method of weight control (p<0.05) were different among the three female groups, whereas males did not show any differences. Intake of nutritional supplements in the male obese group was higher compared to other groups (p<0.01), whereas eating habits were not significantly different among the three groups for both males and females. Food habits score for intake of fruits, milk, and yogurt were higher in females than males (p<0.001). Correlation coefficients of food habits score and anthropometric measurements showed that hip circumference was negative for intake of fruits in males, whereas RBW and BMI were positive for food combination, intake of bean products, and fishes in females (p<0.05). Frequency and fitting exercise in the obese female group were lower than in the other groups (p<0.01). Therefore, proper nutritional education for obese individuals is recommended proper self-perception of weight, good food habits, and regular exercise.
Lactic acid bacteria (LAB) have been reported to possess various beneficial properties and are commonly used as probiotics. LAB play a crucial role in milk fermentation, industrial lactic acid fermentation, and health and medicine. Limosilactobacillus fermentum isolated from fermented dairy and food products is considered as 'Generally Recognized as Safe' by FDA. Limosilactobacillus fermentum plays an important role in modulation of the intestinal microbiota, enhancing the host immune system and improving feed digestibility. We isolated a probiotic candidate that was identified and named Limosilactobacillus fermentum JNU532. In a previous report, cell-free culture of L. fermentum JNU532 exhibited anti-melanogenic and antioxidant activities. In this study, we present the complete genome assembly of the bacterial strain JNU532. The final genome consists of one circular chromosome (2,077,416 base pairs) with a guanine + cytosine (GC) ratio of 51.5%.
Cholesterol is a vital component of the human body. It stabilizes cell membranes and is the precursor of bile acids, vitamin D and steroid hormones. However, cholesterol accumulation in the bloodstream (hypercholesterolemia) can cause atherosclerotic plaques within artery walls, leading to heart attacks and strokes. The efficiency of cholesterol absorption in the small intestine is of great interest because human and animal studies have linked cholesterol absorption with plasma concentration of total and low density lipoprotein cholesterol. Cholesterol absorption is highly regulated and influenced by particular compounds in the food supply. Therefore, it is desirable to learn more about natural food components that inhibit cholesterol absorption so that food ingredients and dietary supplements can be developed for consumers who wish to manage their plasma cholesterol levels by non-pharmacological means. Food components thus far identified as inhibitors of cholesterol absorption include phytosterols, soluble fibers, phospholipids, and stearic acid.
Objectives: To examine the overview of fatigue-related health conditions in the Korean general population. Methods: Data were collected from 2,203 adults (1,126 men and 1,077 women) via a self-reporting questionnaire and their sleeping, exercise, stress, physical problems, use of functional food, and fatigue status were analyzed. Results: The average sleeping hours was about $6.6{\pm}2.0$ hrs per day, and 24.3% of subjects didn't exercise (over 30 min) in a week. Around 16.5% of subjects were under severe stress, and 46.1% (36.9% male vs. 55.6% female) had had trouble with at least one form of physical distress including dyspepsia, headache or muscular pain. 45.4% (37.2% male vs. 53.9% female) of subjects used functional supplements. 46.3% (42.8% male vs. 50.0% female) of subjects complained of chronic fatigue, and they were significantly different compared with no-fatigue subjects regarding severe stress status (8.6% vs. 24.0%), frequency of physical distress (33.2% vs. 69.9%), and use of functional supplements (41.6% vs. 49.8%). Conclusion: This result first reports the features of fatigue-related health conditions including prevalence of chronic fatigue in the Korean population. This data could be helpful to develop fatigue-focused traditional Korean medicine in the future.
This study examined the relationship between mothers' consciousness of diet and their infant feeding methods and weaning practices. Consciousness of diet analyzed from 17 questions concerning the attitudes and opinions of diet was classified into 6 categories using the factor analysis. These categories were the faithfulness of diet, the health-directed dietary practices, the application of health information, the application of information about food and nutrition, the sincerity to meal preparation, and dietary habits. The 400 mothers selected randomly from Wonju area were surveyed. The results obtained from the study were summarized as follows. Weaning was implemented earlier by the group with better education career and with the exact knowledge of weaning. Factors associated with infant feeding methods included some sociodemographic characteristics such as birth order, mothers' employment state and income level and mothers' effort toward faithfulness of diet. The use of health-foods and nutrient supplements were prefered by the groups used bottle-feeding method. The health condition of the infants was influenced by mother's will to carry out the health information rather than infant feeding methods and weaning foods used. Mothers who perceived the importance of diet for health and consumed more milk had healthier babies, and their dietary habits were more favorable. The subjects who self-recognized the meaning of weaning and who believed that earlier weaning was good for baby or delayed weaning was the cause of anemia and poor appetite, took advantage of the information about food and nutrition as well as prefered the health-directed dietary practices. Mothers who retried to feed the weaning food rejected by baby before, applied the dietary information to the real meal management more actively and had a more desirable dietary habits. In those cases the baby had improved health condition. Those who were interested in the meaning of weaning and the nutritious effect of weaning foods, revealed significantly higher tendency on the performance of cooking information and the more confidence to the health information from advertisement.
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