• Journal of the Korean Society of Food Culture
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• v.11 no.3
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• pp.359-367
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• 1996

To study the dining-out behaviour of housewives, the frequency, food preference, expense for dining-out in social meeting, family gathering, daily meal were surveyed with a total of 454 housewives in Pusan. (1) In the frequency of dining-out, once or twice a month shows highest percentage, 59.7% and 45.8% for social meeting and family gathering respectively. The occasion of dining-out for the daily meal is less than 1 or 2 time per 6 month (62.6%). The frequency of dining-out is highly dependent on demographic variables such as age, academic background, family income, car ownership. (2) The preference for Korean dishes is found to be top in all occasions for dining-out. And then for the social meeting, chinese food, western style food, japanese cuisine and fast food are prefered in order, while western style food and chinese cuisine are rather prefered than japanese cuisine and fast food in occasion for family gathering. When they dine out just for daily meal, korean food is prefered first and preference for chinese food, western style food, fast food is followed in order. Japanese cuisine is prefered the last. (3) Housewives answered highly that the expense they spend for dining-out for social meeting (45.8%) or family fathering (46.8%) is 5,000 to 10,000 won per person. For these occasions, the expense is different with family income. Namely, if their income is higher than 3,000,000 won, they usually spend 10,000 to 15,000 won for the occasion. And for the daily dining-out, 34.7% respondents answered that they spend 2,000 to 3,000 won.

• Journal of Korean Home Economics Education Association
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• v.22 no.3
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• pp.117-128
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• 2010

The purpose of this study was to investigate the eating behaviour and nutrition knowledge of middle school students and satisfaction of dietary life instruction in Technology Home economics subject. The data was collected by means of questionaire from the total of 510 middle school students who were living in Daegu and Gyeongbuk province and final 493 questionaires were analyzed by using the SPSS/WIN 17.0 program. Education effect was examined by analyzing the satisfaction and interesting of instruction, help degree to family life, nutrition knowledge, eating behaviour. The percentages of satisfaction of instruction were as follows: very satisfaction(8.9%), satisfaction(36.8%), average(43.2%), unsatisfaction(8.3%), very unsatisfaction(2.2%). The reason of unsatisfaction was tedious lecture highly. The form of instruction they want was experiment practice class, they interested in cooking class. The total mean score for nutrition knowledge was low as 7.29/12, the score of female and the third year class students were high significantly. Help degree to family life, eating behaviour were self-evaluated using a Likert 5-point scale. The total mean score for help degree to family life was low as 3.30, the eating behaviour was 3.55, the first year class had the highest and the third class student had the lowest score. The items of eating less salty, regular diet, having normal body weight, doing not eat instant and fast food, the diet of thinking environment were low. Therefore education of diet in home economics subject is require to improve their dietary behaviour and satisfaction of instruction.

• Microbiology and Biotechnology Letters
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• v.17 no.5
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• pp.475-480
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• 1989

The extracellular polysaccharide was isolated from the culture of Ps. delafieldii and its rheological property was evaluated. The aqueous solution was extremely viscous and shows pseudoplastic behaviour. The flow behaviour index and apparent viscosity of 1 ％solution were 0.09 and 1169 mPa·s. The solution was stable over pH change but did not have thermal stability. The activation energy of flow of 1 ％ solution was 4.44 kcal/mole. The concentration dependency could be expressed double logarithmically.

• Animal Bioscience
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• v.34 no.9
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• pp.1552-1558
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• 2021

Objective: This work was carried out to evaluate the effects of zilpaterol hydrochloride (ZH) and ractopamine hydrochloride (RH) combined with immunocastration on the welfare traits of feedlot Nellore cattle. Methods: Ninety-six Nellore males (average body weight [BW] = 409±50 kg; average 20 mo of age) were divided into two groups according to BW; half of the animals in each group received two doses of an immunocastration (ImC) vaccine in a 30 day interval, and the other half did not receive the vaccine (NoC). Afterward, the animals were housed and fed a common diet for 70 days. Then, they were split into three groups and fed one of the following diets for 30 additional days: control (CO) diet, with no β-AA; ZH diet, containing 80 mg/d ZH; and RH diet, containing 300 mg/d RH. Welfare traits were assessed by monitoring body surface temperature using infrared thermography (IRT) and plasma cortisol and temperament measurements. Results: There was no interaction between sexual condition and diet for any trait. The ImC and NoC groups did not differ in rectal and ocular temperatures. The ImC animals had higher flight speeds (p = 0.022) and tended to have higher cortisol levels (p = 0.059) than the NoC animals. Animals fed ZH and RH did not differ in cortisol levels, respiratory rate, rectal temperature, temperature measured by IRT, or temperament behaviour. Conclusion: The ImC animals showed a less stable temperament during handling practices than NoC, whereas ZH and RH supplementation had no adverse effects on animal welfare.

• Proceedings of KHEA Conference
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• 1997.07a
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• pp.65-65
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• 1997

• Korean Journal of Biological Psychiatry
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• v.6 no.2
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• pp.193-201
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• 1999

This study was designed to evaluate the effects of opioid receptor agonists on the spontaneous alternation behaviour in an animal model of obsessivecompulsive disorder in rats. According to the theory that dopamine is related to the biological etiology of obsessive-compulsive disorder, the effect of the nalbuphine(opioid kappa agonist) and the tramadol(opioid mu agonist), which act as manipulating agents on the inhibition or stimulation of dopamine release, in the spontaneous alternation behaviour were evaluated. 24 hours prior to the experiment, rats were food-deprived. These rats were put into the T-maze, in which white and black goal boxes were baited with small amounts of chocolate milk. Each rat was given 2 set of 7 trials during which it was placed in the start box and allowed to choose the one of the goal boxes for each time. After identifying the stable baseline of spontaneous alternation behaviour, nonselective 5-HT agonist 5-MeODMT(1.25mg/kg/IP) disrupted spontaneous alternation. Rats were stratified into fluoxetine(10mg/kg/IP), nalbuphine(10mg/kg/IP), tramadol(46.4mg/kg/IP), and saline(0.5cc/IP) injection group with experimental drug treatment for 21 days. The effects on the 5-MeODMT(1.25mg/kg/IP) induced disruption of spontaneous alternation behaviour were checked at the next day of discontinuation of drug treatment. The results were as follows ; 1) At the day after 21 days of the drug treatment, the nalbuphine treated group and the fluoxetine treated group showed significant difference from the tramadol treated group and the saline treated group in the 5-MeODMT(1.25mg/kg/IP) induced suppression of spontaneous alternation behaviour. 2) Within each drug treatment group, the fluoxetine treated group showed significant difference between before and after the treatment of fluoxetine in the 5-MeODMT(1.25mg/kg/IP) induced suppression of spontaneous alternation behaviour. And also, the nalbuphine treated group showed significant difference between before and after the treatment of nalbuphine in the 5-MeODMT(1.25mg/kg/IP) induced suppression of spontaneous alternation behaviour. There was no difference between the baseline and after the treatment of nalbuphine in the 5-MeODMT(1.25mg/kg/IP) induced suppression of spontaneous alternation behaviour. We indentified that the opioid kappa agonist that act as dopamine release inhibitor affect the spontaneous alternation behaviour which is an animal model of obsessive-compulsive disorder in rat.

• Korean Journal of Food Science and Technology
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• v.24 no.1
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• pp.70-73
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• 1992

Gelatinization behaviour and gel properties of corn starch modified either by hydroxypropylation only or by cross-linking and hydroxypropylation were investigated. Gelatinization temperature of corn starch decreased greatly by hydroxypropylation, but increased slightly by cross-linking with epichlorohydrin. The treatment of both hydroxypropylation and cross-linking lowered the gelatinization temperature, although it was not significantly different from that of hydroxypropylated corn starch. The swelling power of the corn starch was reduced and gel strength was increased by both modifications. The results suggested that the gelatinization behaviour and gel properties of corn starch could be improved by both cross-linking and hydroxypropylation.

• The Korean Journal of Food & Health Convergence
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• v.8 no.5
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• pp.11-20
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• 2022

Honey was diluted with different percentages of water and was analysed rheologically at room temperature of 27℃. The rheological profiles of pure and impure honey samples were measured at low shear rates (0.01-4.16s^-1). This work developed a structural kinetic model, which correlated well with the rheological data. The new model was used to categorise honey samples using their average molecular weights as one of the distinctive properties. Also, the kinetics order in the new model predicts the number of active components in the "honey" undergoing deformation. Honey produced third order kinetics to depict the monomers, oligomers and water content in honey. Pure honey exhibits peculiar non-Newtonian rheological behaviour. The behaviour of water is Newtonian. Dilution of honey with different percentages of water turns the resulting fluid Newtonian from 10% dilution with water. This study analysed the antibacterial activities of honey and serially adulterated samples against Staphylococcus aureus and Pseudomonas aeruginosa. The antibacterial analyses of honey were conducted using Kirby Bauer's well diffusion method. The results indicated that pure honey exhibited a zone of inhibition against both organisms. Also, the diameter of the zone of inhibition decreased with increasing dilution of honey, suggesting a correlation with the rheological method.

• Journal of Animal Environmental Science
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• v.19 no.2
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• pp.149-154
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• 2013

This study was conducted to investigate the expression of harmful social behaviours in breeding pigs. Totally 64 pure breed pigs were assigned to determine the effect of breed (Yorkshire and Duroc) and sex (male and female) on the expression of each harmful social behaviours at the GGP level commercial breeding farm. Sucking, bothering, fighting and pushing behaviour were selected the notable harmful social behaviour. The most prevailing and the highest proportion of time spent in harmful social behaviours were bothering and sucking, respectively. Total frequency of bothering and fighting were more in Duroc than Yorkshire. Yorkshire had more proportion of time spent in sucking whereas fighting was more in Duroc. According to sex, female pigs had more frequency of sucking and pushing whereas fighting was significantly more in male pigs. The female pigs showed more time spent in sucking whereas bothering and fighting was more in male pigs.

• International Journal of Computer Science & Network Security
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• v.22 no.10
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• pp.423-430
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• 2022

The emergence of social media platforms has changed the culture of business marketing. Their impact has increased considerably since the emergence of social media influencers or content creators. The phenomenon of social media influencers has been adopted as one of the most effective marketing strategies among global and local organizations. Those celebrities attract business owners, who seek to use them as means to reach a large number of potential consumers. Today, the user bases of Snapchat and YouTube in Saudi Arabia are growing fast and becoming very popular, unlike other social media platforms. Consequently, the impact of these applications' influencers on the purchasing habits of individuals cannot be underestimated. This survey paper intends to investigate the impact of Snapchat and YouTube influencers on the consumption behaviour of Saudi consumers. Results suggest that Snapchat is not only more popular but also more rusted and credible. Moreover, influencers' impact on purchasing behaviour is prevalent and powerful; furthermore, its influence is more effective in persuading Saudi consumers to buy certain products, such as food, than other products, like jewelry.