This study investigated the effect of chemical treatments on tannins (condensed and hydrolysable) and on the trypsin inhibitor (TI) activity in salseed meal. Triplicate samples of ground salseed meal (1 kg) were mixed with 820 ml of either distilled water (pH 5.3), 0.67 M acetic acid (pH 2.4), 0.67 M sodium bicarbonate (pH 8.2) or 2% polyvinyl-pyrrolidone (PVP) solution. The material was placed in airtight plastic containers and incubated at $37^{\circ}C$ for 0, 3, 6, 12, 24, 48 and 72 h. Samples of untreated salseed meal which had not been subjected to soaking or incubation were run through the analysis to serve as control. Addition of water, acetic acid, sodium bicarbonate and PVP solutions to salseed meal and subsequent anaerobic incubation at $37^{\circ}C$ significantly reduced chemically detectable tannins. At each incubation time, alkali solution was more effective than its counterparts. The effect of acidic solution on hydrolysable tannin was least among the treatments. All the treatments reduced TI activity of salseed meal. The reduction in TI activity by these treatments was similar and ranged between 80-84%. Treatment time effected a decrease in the contents of antinutritional substances. However, the effect of the treatment with the reagents, even for zero incubation time, was quite pronounced. It may be concluded from the present results that the treatment of salseed meal with sodium bicarbonate (0.67 M) is more effective in reducing hydrolysable and condensed tannin contents than PVP, water and acid solutions. Treatment with sodium bicarbonate solution is more economical and easier to handle than acid and PVP treatments. Incubation of the treated material for 12 h is reasonably effective, economical and safe from any mould growth.
This study was carried out investigate the effect of replacing soybean meal with feather meal or Bacillus sp. inoculated feather meal in finisher pig diets on the performances, and amino acid composition and carcass characteristics of pork. One hundred fifty pigs were randomly allotted to five dietary treatments (① control, basal diet; ② BSM (bacillus sp. inoculated soybean meal) 10, 10% of soybean meal was replaced with bacillus sp. inoculated feather meal; ③ BSM 20, 20% of soybean meal was replaced with bacillus sp. inoculated feather meal; ④ CSM (conventional soybean meal) 10, 10% of soybean meal was replaced with conventional feather meal and ⑤ CSM 20, 20% of soybean meal was replaced with conventional feather meal) in a 70-days feeding trial. In overall period, body weight gain of BSM 20 (0.95kg) was higher (P<0.05) than those of CSM 10 (0.80kg) and CSM 20 (0.81kg), respectively. And feed conversion of BSM 20 (2.94) was lower (P<0.05) than that for other treatments (3.06-3.41). Carcass weight of BSM 10 (81.84kg) and BSM 20 (83.77kg) were greater (P<0.05) than those of CSM 10 (74.75kg) and CSM 20 (76.07kg), respectively. Proportion of grade A carcass in BSM 20 (35.03%) was higher compared to the control treatment (32.78%). CIE L* of meat color was lowest in the BSM 10 (45.56), and hightest (P<0.05) in the CSM 20 (59.96). In addition CIE a* of meat color of control (9.35) highest (P<0.05) than those of BSM 10 and BSM 20 were 7.56 and 7.42, respectively.
Park Moon-Kyung;Cho Sun-Kyung;Cha Jin-A;Yang Il-Sun
Journal of Nutrition and Health
/
v.39
no.4
/
pp.417-425
/
2006
The purpose of this study were to a) investigate operation of human resource in contract foodservice management company (CFMC), b) identify the staffing indices for the establishment an labor productivity for CFMC, and c) develop standardized model of staffing demand as foodservice's scale in CFMC. The data was collected using FS intra-net system from 138 contract-managed foodservice operations in A CFMC and statistical analysis was completed using the SAS/win package (ver. 8.0) for description analysis, ANOVA, Duncan multiple comparison, pearson correlation analysis, and regression analysis. The types of operation were included factory (45%), small scale operation (26%), office (11%), department store (10%), training institute (4%), and hospital (3%). The distribution of foodservice scale was classified by meal served was as follows; 'less than 500 meals (47%)', 'from 500 to 1500 meals (25%)', 'from 1500 to 2500 meals (17%)', and 'more than 2500 meals (12%)'. There was two types of contract method, fee-contract (53%) and profit-and-loss contract (46%) Some variables were significantly high operation indices such as selling price, food cost, monthly sales, net profit and others were significantly low operation indices such as labor, meal time a day in the small foodservice on meal scale (p<.001). The more foodservice was large, the more human resource was disposed on dietitian, cook, cooking employee altogether (p<.001). Foodservice in A CFMC was divided into 2 groups by 500 meals a day, according to comparative analysis of labor productivity as meal scale per working hour, meal scale a day and operation indices as meal per foodservice employee, meal per cooking employee (p<.001). The regression equation model was developed as 'the number of employees=1.82+0.014 ${\times}$ meal served' in the operation of less than 500 meals, 'the number of employees=9.42+0.013 ${\times}$ meal scale a day -0.94 ${\times}$ meal scale per working hour' in the operation over 500 meal scale using labor productivity indices and operation indices. Therefore, CFMC could be enhanced efficiency of human resource arrangement using the standardized model of staffing demand and would be increased effectiveness of profit.
This study was performed to investigate the interrelationship between fasting serum insulin, eating behaviour, daily energy intake and the fatness in obese and non-obese women. The possibility of fasting serum insulin as potential predictive factor for eating behaviour and daily energy intake was also investigated. The results are as follows: 1) In obese women ; Subjects with higher fasting serum insulin were associated with higher speed of eating and shorter meal duration time. No association could be found between daily energy intake or the degree of obesity and fasting serum insulin. There was a significant positive correlation between obesity, daily energy intake and speed of eating. Obesity, daily energy intake were negatively related to meal duration time. Subjects with a rapid speed of eating were apt to overeat during eating behaviour experiment. Our findings suggested that a rapid speed of eating is a contributing factor to the development of obesity in obese women. 2) In non-obese women ; While subjects with higher insulin level were apt to overeat, we could not find any relation between overeating and daily energy intake. There was no correlation between eating speed and daily energy intake, but a significant positive correlation was found between meal duration time and daily energy intake. The degree of fatness was increased with the lower daily energy expenditure per body weight, or the higher waist hip girth ratio, fasting serum insulin and daily energy intake.
Wheat straw samples (3-4 cm) were sprayed with solutions of urea (U) alone or with a dry addition of garden soil (GS), midden soil (MS), soya bean meal (SM) or jack bean meal (JM) as crude urease sources and with a pure urease (UR) enzyme. Each of the urease sources was included at two levels: 30 and 60 g/kg except pure urease, which was added at a level of 2.5 & 5.0 g/kg treated straw dry matter. Untreated straw without urease source was used as a control. After treatment, samples were sealed in polythene bags and stored for 2, 7, 14, 21 and 35 days at $19{^{\circ}C}$. The urease sources, their levels and treatment time produced significant effects on ammonia production (p<0.01). The addition of urease offered more flexibility in hydrolyzing urea in the shortest possible time. Incorporation of soya bean and jack bean meal was effective in reducing the modified acid detergent fiber (MADF) content of straw and the same time increasing organic matter (OM) digestibility. Overall effect, addition of soya bean to urea at a ratio of 1:1 appeared to be the most satisfactory urease source for the treatment of urea and wheat straw.
Kim, Jun Ho;Choi, Sun-Tak;Ha, Jeong Ho;Cho, We-Duke
KIPS Transactions on Computer and Communication Systems
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v.7
no.8
/
pp.211-218
/
2018
In this study, we propose an algorithm to detect eating activity and estimation mealtime using 6-axis inertial sensor. The eating activity is classified into three types: food picking, food eating, and lowering. The feature points of the gyro signal are selected for each gesture, and the eating activity is detected when each feature point appears in the sequence. Morphology technique is used to post-process to detect meal time. The proposed algorithm achieves the accuracy of 94.3% and accuracy of 84.1%.
Journal of Korean Home Economics Education Association
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v.13
no.3
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pp.23-35
/
2001
The purpose of this study is to investigation the eating habits and health-related behaviors of adolescent students. 700 students are randomly selected in 6 high schools in Chunchon area. The most students take three meals a day. but most of girl students take less two meals a day or often go without a meal. There are the tendency that boy-students are more satisfied with their meal habits, but they have the health problems caused by irregular meals. There are more boy-students have the regularity of meal habits than girl students. and the former have the more tendency of going without a meal than the later which shows that girl-students have to give more attention to their health management. Their sleeping hours are not enough to recover the tiredness. The higher grads they are in the less time they have to take a rest. The tenth grads students are shown to feel the most serious stress. but have few opportunities to take a medical examination, which means that we have insufficiency of health education as a precautionary measures. Accordingly, it is important that teachers have to provide students with education of good meal habit which is fit to their real life. In modern times, as there are the tendency that more women participate in the social activity. we will reinforce the education that the boy-students may take active part in the health management without distinction of the roles between boy and girls-students.
A survey of ecological aspects of food, focused on breakfast of 1,526 adults with various professional occupations such as professors, teachers, employees of government, bank and company, and 1,928 students of various levels in the urban areas, was conducted from March, 1984 to February, 1985. The results were shown as follows: Significancy was found between appetite at breakfast, and bed time, status of sleep, eating outside the home on the previous evening, meal or snack of the previous late evening, and exercise before breakfast. The study showed that only 15.2% of the subjects had a good appetite at breakfast; 28.1% had a poor appetite; others had indifferences. About 45% of the subjects had their evening meal between 7pm. and 8pm.; bank employees had breakfast further later than 9pm.. Surprisingly, 31.3% of the subjects had snacks later than 10pm..Nearly one-fourth of subjects, in general, and 34.4% of the subjects in Seoul, had breakfast by themselves due to different schedules of family members. Breakfast patterns of the subjects during a period of 7 days were distributed as follows: 5.5 times for rice-oriented Korean meal; 0.6 times for bread type meal; 0.9 times for the omission of meal. The study described that the subjects who had bread type breakfast consumed only 3.7 items of food, whereas the subjects who had Korean breakfast consumed 7.1 items, on the average. Better breakfast eating habits for an adequate daily diet should be emphasized through nutrition education for adolescents and at the worksite.
The purposes of this study were to: a) examine charateristics of foodservice manaegment practices; b) investigate characteristics of recipients; c) analyze foodservice systems; and d) provide feedback for the efficient and effective foodservice management of welfare institutions for the homeless in Korea. A total of 27 sites was analyzed by questionnaire survey. Satatistical data analysis was completed using the SPSS package program for descriptive analysis. As results of site recipients' characteristics, 69% of total sites were males and 31% were female recipients. Average 60% of recipients were from 30 to 50 years old. Major diseases of recipients were high pressure, and obesity. According to the result of foodservice system analysis, the average meal cost per day was about 2,943 won and average food cost percentage was 29%. Average number of meals per day was about 600 meals. Mostl sites had one dietitian and 48.1% of sites had one cook as a full-time employee. In the part of procurement, dietitians were major chargers of sites for purchasing foods. Major purchasing method was the order and delivery contract. About a half of sites used cycle menu system and standardized recipies. Most of sites had recipients' survey systems for evaluating meal satisfaction. Dietitians at sites had problems on lack of cooking professionals and low meal cost budget for providing higher quality of foods to cure recipients. The results suggested that financial and systematical supports by the government would be very necessary to meet the goal of nutritional balanced meal services.
This study was carried out to compare the meal management attitudes among the mothers(41 years of age) who had middle school students between in industrial complex and in non-industrial complex. The subjects of each group were composed of 192 mothers Living in Ansan city in Korea, and this study was performed by self-administered questionnaire. The results of the present study were as follows: (1) Monthly family income and education level of parents were lower in industrial complex-family(ICF) than in non-industrial complex-family (NICF). The mean age of mothers and family size were similar in two groups, but the frequency of mothers employed was higher in ICF than in NICF Most mothers in ICF worked as a manual- or skilled-laborer. (2) The mothers in ICF tended to have less positive attitude in sewing balanced meals to their families than those in NICF. The score of nutritional knowledge was lower in mothers in ICF than those in NICF. (3) The percentage of expense for purchasing staple foods to total expense of foods tended to be higher in ICF than in NICF. Engel's coefficient was higher, and the frequency and expense for eating out was lower in ICF than in NICF (4) The mothers in ICF did not try to use their time and energy efficiently for meal management. (5) The mothers in ICF were less active in sewing the pleasurable meals including the provision of various cooking methods, flavors, and temperatures, to their families, than those in NICF. Above findings show that family environment such as industrial complex-families and non-industrial complex-families influences the meal management attitudes of mothers. The mothers in ICF had a less positive altitudes for scientific meal managements than those in NICF even though they had the limited resources including money, time and energy for meal management because most mothers in ICF had a job that were paid low salary and finished irregularly or late. Therefore, these results underscore the need to provide the sound nutritional education for the mothers in ICF with respect to reasonable meal management for 'optimal nutrition of family'. In addition, the government should try to make the various welfare policies to improve nutritional status of low income famines including the poor industrial complex-families.
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