• 한국수산과학회지
• /
• 제37권4호
• /
• pp.275-280
• /
• 2004

In this study, the effcts of kelp (Ascophyllum nodosum) meal on growth and immune responses of parrot fish (Oplegnathus fasciatus) were studied. Fish were fed an experimental diet supplemented with $2{\%}\;and\;5{\%}$ kelp meal in a controled diet. Several factors such as weight gain, hematological parameters and nonspecific immune responses were evaluated far 0, 2, 4 and 8 weeks after the administration of the kelp meal supplemented diet. Weight gain in the fish fed the diet supplemented with $2{\%}\;and\;5{\%}$ kelp meal was not significant among the tested groups. The NBT reaction of the phagocytes in the head kidney and the phagocytic rate/index of phagocytes in the peripheral blood were significantly higher than the control group. But, there was no significant difference both in complement bactericidal activity, mucus Iysozyme activity and hematology among each group.

• 한방비만학회지
• /
• 제3권1호
• /
• pp.1-6
• /
• 2003

Background: Recently, Obesity has become a social problem in all over the world including Korea. Dietary regulation, exercise and behavior modification therapy are used in the treatment of obesity, but until now, there have been many difficulties in treating it. Objectives: To examine in obese pre-menopausal Korean females the short-term efficacy for weight loss of an herbal formula (Slim-diet). Design: A 6-week longituidinal evaluation of a herbal formula (Slim-diet) in 35 pre-menopausal females (baseline age $31.6\;{\pm}\;6.1$) with body mass index > $25kg/m^2$. Body composition was measured using bioimpedence analysis (BIA) and dual energy X-ray absorptiometry (DXA). Anthropometry was done by same observer. Total cholesterol, total lipid, triglyceride, and LDL-cholesterol were measured. Results: Herbal formula (Slim-diet) treatment produced significant loss of weight (P < 0.001), percent of body fat (P < 0.001, both BIA and DXA) and waist circumference (P < 0.001). It also produced significant reduction of total cholesterol and total lipid levels (P < 0.05).

• Nutritional Sciences
• /
• 제2권2호
• /
• pp.71-75
• /
• 1999

Epidemiologic studies consistently demonstrate an inverse relationship between risk for colon canter and consumption of fruits and vegetables. Wheat bran, flax and soy contain dietary fiber and phytochemicals, such as lignans and isoflavones, that may inhibit colon carcinogenesis. Orange juice contains hesperidin, a flavanone glucoside that protects against colon carcinogenesis. This study determined if feeding orange juice, wheat bran, soy and flaxseed (combined diet) would inhibit azoxymethane (AOM) induced colon cancer. Cancer was initiated in male Fisher 344 rats by injecting 15 mg AOM/kg of weight at 22 and 29 days of age. One week after the second AOM injection, rats (N = 30) in the combined diet group received dry diet containing wheat bran (4%), soy with ethanol soluble phytochemirals(13%) and flaxseed (8%) and orange juice replaced drinking water. The control group remained on the control diet and received distilled water to drink. The rats were killed 28 weeks later, and colon tissues and tumors were removed for histologic analysis. Feeding the combined diet significantly reduced tumor incidence (p < 0.05), however tumor multiplicity was not changed (p > 0.05, 0.9 tumors/rat fed the combined diet vs 1.2 for controls). Also, tumor burden was only marginally reduced in rats fed the combined diet vs control rats (65 vs 210 mg of tumor/rats, respectively). The reduction in tumor incidence was associated with a decreased labeling index and proliferation zone in normal appearing colon mucosa. Therefore, this study shows that phytochemicals in wheat bran, soy, flax and orange juice reduce colon carcinogenesis, presumably by decreasing cell proliferation and enhancing cell differentiation.

• 동아시아식생활학회지
• /
• 제25권1호
• /
• pp.1-11
• /
• 2015

This research was designed to examine the dietary habits and unbalanced diet of middle school students by gender and region. The survey was conducted using questionnaires on dietary habits and unbalanced diet administered to 726 students (urban: 367, rural: 359). The obesity index using BMI showed that the largest proportion of girls was 'underweight' in both regions, which showed a significant difference by region (p<0.001). Male students in urban areas prefer salty taste more than rural students (p<0.05). In urban areas, problems relating to dietary habits were 'unbalanced diet' and 'overeating' in male students and 'frequent snacks' and 'irregular mealtime' for female students (p<0.01). The frequencies of skipping breakfast (p<0.01), snack intake (p<0.001), eating out (p<0.001) and fast food consumption (p<0.001) were significantly higher in urban students than in rural students, and the reason for eating snacks was 'hungry' in urban students and 'habitually' and 'delicious' in rural students (p<0.01). Unbalanced diet was significantly higher in rural students compared with urban students (p<0.001) and male students compared with female students in urban (p<0.05), and the factors affecting dietary habits were mostly related to family. Male students in urban areas showed a significantly lower intake frequency of 'fish, tofu and beans' (p<0.05) and 'milk and yogurt' (p<0.05), but higher intake frequency of 'vegetables' (p<0.001) compared with female students. Male students in rural areas showed a significantly lower intake frequency of 'meat' (p<0.05) but higher intake frequency of 'milk and yogurt' (p<0.05) compared with female students. Urban students showed a significantly higher intake frequency of food groups compared with rural students. To conclude, desirable nutrition education on meal regularity, snack choice, and problems relating to unbalanced diet should be conducted in schools.

• Asian Pacific Journal of Cancer Prevention
• /
• 제16권9호
• /
• pp.3881-3885
• /
• 2015

Obesity markedly increases the risk of colorectal cancer. Recently, the preventive effects of edible mushrooms on triglyceride elevation and visceral fat accumulation have been reported. Here, the effects of Pleurotus eryngii (Eringi) and Hypsizygus marmoreus (Bunashimeji) on azoxymethane (AOM)-induced aberrant crypt foci (ACF; precancerous lesions) in the colorectums of mice fed a high-fat diet were examined. Eringi (ER) and Bunashimeji (BU) mushroom powder samples were used. Six-week-old male C57BL/6J mice received an intraperitoneal injection of AOM (10 mg/kg) once a week for two weeks, and were sacrificed and dissected at 6 weeks after the start of the experiment. After the initiation of the experiment, they received a normal diet (ND), high-fat diet (HFD), HFD + ER (1 or 5% of diet), or HFD + BU (1 or 5% of diet). As a result, body and fat weights were significantly lower in the 5% ER and BU groups than in the HFD group. Liver triglyceride levels were also significantly lower in the 5% ER and BU groups. Total liver cholesterol levels were significantly lower in the 5% ER group. The numbers of ACF (especially large ACF) showed strong inhibitory effects in both ER and BU groups. Measurement of the cell proliferation marker Ki-67 labeling index in the colonic mucosa demonstrated more significant suppression in both ER and BU groups than in the HFD group. These results suggest that the simultaneous intake of ER and BU may inhibit colorectal tumorigenesis in HFD-fed mice.

• Asian-Australasian Journal of Animal Sciences
• /
• 제27권7호
• /
• pp.917-925
• /
• 2014

An accurate feed formulation is essential for optimizing feed efficiency and minimizing feed cost for swine and poultry production. Because energy and amino acid (AA) account for the major cost of swine and poultry diets, a precise determination of the availability of energy and AA in feedstuffs is essential for accurate diet formulations. Therefore, the methodology for determining the availability of energy and AA should be carefully selected. The total collection and index methods are 2 major procedures for estimating the availability of energy and AA in feedstuffs for swine and poultry diets. The total collection method is based on the laborious production of quantitative records of feed intake and output, whereas the index method can avoid the laborious work, but greatly relies on accurate chemical analysis of index compound. The direct method, in which the test feedstuff in a diet is the sole source of the component of interest, is widely used to determine the digestibility of nutritional components in feedstuffs. In some cases, however, it may be necessary to formulate a basal diet and a test diet in which a portion of the basal diet is replaced by the feed ingredient to be tested because of poor palatability and low level of the interested component in the test ingredients. For the digestibility of AA, due to the confounding effect on AA composition of protein in feces by microorganisms in the hind gut, ileal digestibility rather than fecal digestibility has been preferred as the reliable method for estimating AA digestibility. Depending on the contribution of ileal endogenous AA losses in the ileal digestibility calculation, ileal digestibility estimates can be expressed as apparent, standardized, and true ileal digestibility, and are usually determined using the ileal cannulation method for pigs and the slaughter method for poultry. Among these digestibility estimates, the standardized ileal AA digestibility that corrects apparent ileal digestibility for basal endogenous AA losses, provides appropriate information for the formulation of swine and poultry diets. The total quantity of energy in feedstuffs can be partitioned into different components including gross energy (GE), digestible energy (DE), metabolizable energy (ME), and net energy based on the consideration of sequential energy losses during digestion and metabolism from GE in feeds. For swine, the total collection method is suggested for determining DE and ME in feedstuffs whereas for poultry the classical ME assay and the precision-fed method are applicable. Further investigation for the utilization of ME may be conducted by measuring either heat production or energy retention using indirect calorimetry or comparative slaughter method, respectively. This review provides information on the methodology used to determine accurate estimates of AA and energy availability for formulating swine and poultry diets.

• 대한영양사협회학술지
• /
• 제4권2호
• /
• pp.200-211
• /
• 1998

Most of college women are interested in their appearances, and those whose body weights are normal or even underweight try to lose weight. Many methods for weight control diets practiced by college women are unsound and irrational so that some side-effects should be watched out. The present study was aimed to investigate methods of diets, food habits, behaviors, and side effects of weight control and to suggest sound weight loss schemes for college women. The subjects were 353 college women living in Taegu and Kyung Buk area, comprising 178 women who have tried weight control diets and 175 women who have not tried diets. The items included in questionnaires were food habits, food behavoirs, food frequency, physical activity status, 24-hour daily activity record, height, weight, etc., and the survey was conducted in September 1997. There was no difference in body mass index between college women who have tried diets(20.1$\pm$2.26) and women who have not tried diets(19.3$\pm$1.58), and 24.2% of those who have tried diets had body mass index under 19. The leading reason for diets was to make better fitting for costumes(67%). While women who have tried diets also tried to exercise more, they tended to overeat than women who have not tried diets. Mean of food habit scores(9.33 vs 9.32) which corresponded to "poor" habit and food frequencies were not different with or without experiences of diets. This indicated that diets were not related to actual changes of food habits and food intakes. Diet methods used frequently by college women were relying on special diet foods(25.4%), fasting(24.9%) and exercise(22.6%). Trying both exercise and diet was practiced by only 5.1% of the subjects who have tried diets. The duration time of diets was mostly in the range of 1 week to 1 month, and the longer diet period was, the more weight loss was. The frequent side effects due to diets were anemia(41.8%) and enervation(23.7%). Activity coefficients were lower in those who have tried diets(1.38$\pm$0.13) than those who have not tried diets(1.41$\pm$0.19). Women who have tried diets spent more time on reading newspapers and magazines and on watching TV. This study indicates that college women who have tried diets practiced irrational diets for weight reduction and experienced undesirable side-effects. Therefore scientific and systematic weight reduction programs accompanying balanced diets and proper exercise with behavior changes should be developed.

• 생명과학회지
• /
• 제16권6호
• /
• pp.932-937
• /
• 2006

콜레스테롤식이에 수준별 청국장 첨가 식이가 흰쥐의 지질대사에 미치는 영향을 조사하고자, 성숙한 흰쥐 암컷을 표준군, 대조군(콜레스테롤식이), 5% 및 10% 청국장군(대조식이에 5% 및 10% 청국장 분말을 첨가한 식이) 등 4군으로 나누어 4주간 사육한 결과는 다음과 같다. 실험동물의 체중증가량, 식이섭취량, 식이효율 및 자궁주위 지방 무게는 청국장군들이 대조군 보다 유의하게 감소되었다. 간의 콜레스테롤과 중성지질 농도는 대조군에 비하여 10% 청국장군이 유의하게 감소되었다. 혈청의 중성지질, 총 콜레스테롤, LDL+VLDL-콜레스테롤 농도 및 동맥경화지수는 대조군에 비해 10% 청국장군이 유의하게 감소되었고, 총 콜레스테롤에 대한 HDL-콜레스테롤의 비율은 대조군에 비해 10% 청국장군이 유의하게 증가되었다. 변의 총 지질 배설량은 5% 및 10% 청국장군들이 대조군 보다 유의하게 증가 된 것으로 나타났다. 이상의 결과로 보아 콜레스테롤 식이에 10% 수준으로 청국장분말 첨가 섭취시 흰쥐의 체중 감소와 혈청과 간의 중성 지질, 총 콜레스테롤과 LDL+VLDL-콜레스테롤 농도 및 동맥경화지수를 낮추고, 총 콜레스테롤에 대한 HDL-콜레스테롤의 비율이 증가되어 지질대사의 개선 효과가 있는 것으로 나타났다.

• 동아시아식생활학회지
• /
• 제27권2호
• /
• pp.104-113
• /
• 2017

The purpose of this study was to analyze and consumption patterns diet/low-calorie food. Ubjects were 353 adult women aged 20s~50s. Ubjects were divided into three groups according to body mass index (BMI): Normal group (BMI>23.0), overweight group (23.0${\leq}$BMI<25.0), and obesity group (BMI${\geq}$25.0). This study collected all information by self-administrated questionnaires. The SPSS version 21.0 was used for analysis of data. The obesity group lower education level (p<0.001), higher age (p<0.001) and higher income (p<0.001) than normal group. However, score of health status was highest in normal group (p<0.001). Proportion of obesity group pill type diet/low-calorie (p<0.034), drug (diuretic, appetite suppressant and riental medicine) (p<0.001), and cosmetic surgery (p<0.001). The main reason for consumption of diet/low-calorie was control without starving (28.0%). Obese group emphasized manufacturer, ingredient and reputation, whereas the normal group emphasized price and expected effectiveness (p<0.001).

• 동아시아식생활학회지
• /
• 제20권4호
• /
• pp.491-501
• /
• 2010

The purpose of this study was to evaluate the dietary behavior, nutrient and food intake status and dietary quality based on nutrient and food group intake and Diet Quality Index-International (DQI-I) according to breakfast eating status in female university students. The survey was conducted using questionnaires and 3-day dietary records for 181 female university students residing in Seoul, Gyunggi, and Gangwon. The subjects were divided into two groups by frequency of breakfast eating: skipping breakfast (frequency of eating breakfast under 4 times/week, n=69) and eating breakfast (frequency of eating breakfast over five times/week, n=112). The skipping-breakfast group was significantly lower in its frequency of having lunch than that of the eating-breakfast group. There was no significant difference of energy intake between the two groups; however, the intake of carbohydrate, fiber, folate, vitamin C, vitamin E, Ca and Fe in the skipping-breakfast group was significantly lower than those in the eating-breakfast group. There was no significant difference in Korean's Dietary Diversity Score (KDDS) between the skipping-breakfast group ($4.65{\pm}0.56$) and eating-breakfast group ($4.73{\pm}0.50$). The average DQI-I of the skippingbreakfast group ($56.96{\pm}9.04$) was significantly lower than that of the eating-breakfast group ($61.32{\pm}7.99$). In conclusion, female university students with a high frequency of skipping breakfast may have a lower diet quality and DQI-I score. Therefore, in support of proper dietary management, it is necessary to promote and support breakfast eating.