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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Korean Society of Food Culture
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Journal DOI :
Korean Society of Food Culture
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Volume & Issues
Volume 23, Issue 6 - Dec 2008
Volume 23, Issue 5 - Oct 2008
Volume 23, Issue 4 - Aug 2008
Volume 23, Issue 3 - Jun 2008
Volume 23, Issue 2 - Apr 2008
Volume 23, Issue 1 - Feb 2008
Selecting the target year
Measuring the Effects of Trust, Knowledge, Optimism, Risk and Benefits on Consumer Attitudes toward Genetically Modified Foods in the Jeonnam Area
Kang, Jong-Heon ; Jeong, Hang-Jin ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 421~426
The purpose of this study was to measure the effects of trust, knowledge, optimism, risk and benefits on consumer attitudes toward genetically modified foods. A total of 326 questionnaires were completed. Moderated regression analysis was used to measure the relationships among the variables. The analysis results for the data indicated a good model fit in Model 2 rather than Model 1, in which the direct effects of trust, optimism and benefits had statistically significant direct effects on the respondents' attitudes toward genetically modified foods, while the direct effects of knowledge and risk were not statistically significant. As expected, the interaction term of risk and benefit had a significant effect on consumer attitude. Moreover, the effect of risk on consumer's attitude toward genetically modified foods was statistically significant at all levels of benefit, except at the lower benefit level. Finally, the results of this study indicated that genetically modified food developers and marketers should attach importance to the interaction effect of benefits to understand the elements of market demand and customer loyalty.
A Literature Review Examining the Ingredients and Cooking Methods of the Side Dishes in "Chosunmusangsinsikyorijebub" (I);Tang (guk), Changguk, Gigimi, Chigye, Chim, Chorim.Cho, Baeksuk, Hoei, Pyunyook
Kim, Up-Sik ; Han, Myung-Joo ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 427~437
This study examined the ingredients and cooking methods of side dishes in "Chosunmusangsinsikyorijebub" during the year of 1924, approximately. In the recipe for Tang (Guk), there was much use of various parts of beef, fish, shellfish, vegetables, and mushrooms, and soybean paste, hot pepper paste, and soy sauce were used as seasonings. For Chootang and Byulchootang, cinnamon powder was added at the end of cooking. In foods such as Tang (Guk), Gigimi, Chigye, Chim, and steamed dishes, which were made of beef, pork, chicken, various fish, Chinese cabbage, and over ripened cucumbers, and thickened by adding buckwheat powder or wheat powder, the taste of the food was changed by controlling the gravy content. In the recipe for Gorim-Cho, ingredients such as beef, pork, chicken, and various fish were used, which were cooked in boiling water and soy sauce. Boiling or steaming were employed as the cooking methods for Baeksuk, where beef rib Baeksuk was seasoned with salt and fermented shrimp and then boiled. For porgy and herring Baeksuk, the internal organs of the fish were first removed, and then they were steamed with pine needles. Hoei incorporated the flesh of various meats, various beef organs, pork skin, and fish as ingredients, and different dipping sauces and pine nut powder were also used.
A Literature Review Examining the Ingredients and Cooking Methods of the Side Dishes in "Gyuhapchongseo"
Kim, Up-Sik ; Han, Myung-Joo ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 438~447
"Gyuhapchongseo" was published in 1809, and introduced the cooking method of the noble class in the late Joseon dynasty. The characteristics of the side dishes in "Gyuhapchongseo" are as follows. Firstly, red pepper was used as whole red pepper, shredded red pepper, powdered red pepper, or Korean hot pepper paste. Secondly, salt-fermented fish was used in some forms of Kimchi, including Sukbakgi, Dong A Sukbakgi, and Gyochimhae. Thirdly, to retain the juiciness of meat during roasting, meat was spread cold water on the surface, dipped into the washing water of rice or wrapped with wet paper. Fourth, to improve the visual effect of a dish, cooked foods were displayed with various color schemes, panfried foods with two tones (egg white and yellow) of color on each side and the use of radish pigmented with deep red color. On examination of the characteristics of food in "Gyuhapchongseo", I would suggest applicable practices for the present cuisine. The use of gravy produced from the boiling down of fish flesh could raise the nutritive value of Kimchi. In "Gyuhapchongseo", Yak po (semi-dried minced beef) is noted as being good for elderly people with bad teeth. A steamed dish with dog meat in Dong A in "Gyuhapchongseo" is made by hollowing out Dong A and putting a dog in it to cook the dog meat to well done in a fire made with the hulls of rice. This technique could be used to present cuisine for steamed and roasted dishes using food ingredients such as pumpkin, sweet pumpkin, and overripe cucumber.
Measuring the Moderating Effect of Food Involvement in the Relationship between Food Choice Motives and Fruit Consumption
Kang, Jong-Heon ; Jeong, Hang-Jin ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 448~454
The principal objective of this study was to assess the effects of food involvement moderating the relationship between food choice motives, including health concerns, weight control and ethical concern, and fruit consumption. A total of 290 questionnaires were completed. Moderated regression analysis was utilized to assess the relationships among variables. The results of the study showed that the results of data analysis also indicated good model fit. The direct effects of health concerns on fruit consumption were statistically significant in Models 1 and 2. However, the direct effects of ethical concern on fruit consumption were statistically significant in Model 3. As had been expected, the interaction of ethical concerns and food involvement exerted a significant effect on fruit consumption in Model 3. However, the interaction of health concern and food involvement, as well as weight control and food involvement exerted no significant effects on fruit consumption. Moreover, ethical concerns about fruit consumption exerted a significant negative effect at the low level and a positive effect at the high level of food involvement, except in cases in which the level of food involvement was medium. The results of this study revealed that fruit marketers should attach importance to the interaction effect of food involvement in order to better understand the elements of market demand and customer loyalty.
Research on the Educational Effect and Satisfaction of Cooking Activities for Children
Park, Hee-Na ; Jeong, Hee-Sun ; Joo, Na-Mi ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 455~461
The purpose of this study was to investigate the actual conditions, satisfaction towards, and effects of children's cooking activity programs held at children's cooking schools, which have recently been gaining interest as an effective integrated educational method. Also, based on the results, the study provides information on good teaching-learning methods, which can be applied to kindergarten and elementary schools. The results of the evaluation showed that 84.1% of the respondents were satisfied with the educational aspects of the programs. People were most satisfied with the teachers' "teaching ability", and were least satisfied with "the educational fees". The satisfaction scores for the children's cooking programs were higher when they were performed in a school class environment as compared to a cultural center environment, and children who had participated for more than 12 months were more satisfied than those who had only participated 1 to 3 months. Quantitatively, of the 24 measured evaluation categories grouped into 6 fields that measured the effects of participation in the cooking programs, the greatest effects were found on the children's self-confidence and sense of achievement in the social emotion field, and the lowest effect was found on their writing ability in the language field. In addition, scores were higher when the cooking activities were performed in a private cooking school environment as compared to a cultural center environment. Scores were also higher when the educational program lasted 7 to 9 months as compared to only 1 to 3 months.
Analysis of Consumption Values of a Seaweed Functional Food
Cha, Myeong-Hwa ; Kim, Yoo-Kyeong ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 462~468
In this study, we assessed college students' consumption values with regard to a seaweed functional food, and compared differences between the respondents' purchasing intentions and their educational levels. A self-administered questionnaire was designed and distributed to college students in Daegu/Kyungbook province. A total of 288 questionnaires were collected, and the total response rate was 96.0%. The results demonstrated that purchasing intention influenced all five consumption values. The high purchasing intention (HPI) group evidenced greater functional value, social value, emotional value, conditional value, and epistemic value than was observed in the low purchasing intention (LPI) group. However, individuals' educational levels, as related to food, influenced only the functional value and epistemic value. These results demonstrate that college students' consumption value in terms of seaweed functional foods is affected by purchasing intentions and educational experience.
Measurement of Trans Fatty Acid formation and Degree of Rancidity in Fat and Oils According to Heating Conditions
Ahn, Myung-Soo ; Suh, Mi-Sook ; Kim, Hyun-Jung ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 469~478
In this study, degree of rancidity and trans fatty acid formation were examined in fat and oils, including soybean oil (SB), canola oil (CA), corn germ oil (CO), olive oil (OL), palm oil (PO), and beef tallow (BT), during heating for 10-130 minutes at 160-200
. In order to determine the rancidity of the fat and oils, acid values (AV), iodine values (IV), viscosity, and color were measured. Changes in the amounts of fatty acids and the formation of trans fatty acids were measured using GC and HPLC. For all groups, AV increased, IV decreased, and coefficients of viscosity and color increased as the heating temperature and heating time increased, indicating there were positive correlations between the heating temperature and time and AV. In addition, all groups had similar amounts of trans fatty acids, with the exception of the beef tallow; however, its level only slightly increased with heating. The olive oil had the lowest trans fatty acid content and the lowest amount created by heating. The order of trans fatty acid amounts generated while heating was BT>PO>CO>CA>SB>OL. According to the study results, the deep frying temperature during cooking should be 160-180
in order to reduce AV and the amount of trans fatty acids that are formed. In addition, it is better to remove beef tallow during cooking and avoid heating at high temperatures since it results in high levels of trans fatty acids. The correlation between the amount of trans fatty acids and AV was positive, while the correlation between the amount of trans fatty acids and IV was negative, indicating that AV and trans fatty acid levels increase while IV decreases as the deep frying temperature and time increase. From the results, it was found that reducing the deep frying temperature and time can lessen increases in AV and trans fatty acids, and decrease IV. Accordingly, to reduce AV and trans fatty acid formation, the ideal deep frying conditions would be to use olive oil or soybean oil rather than beef tallow or palm oil at a temperature of 160-180
The Development of Functional Cold Buckwheat Noodles Using Biological Activities of Hot Water Extracts of Ligularia fischeri and Angelica gigas Nakai
Chang, Sang-Keun ; Kim, Jun-Ho ; Oh, Hae-Sook ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 479~488
Some biological activities such as an electron donating capacity, the contents of total polyphenol compounds and flavonoids, fibrinolytic activity and
-glucosidase inhibitory activity have been detected in hot water extracts of Ligularia fischeri and Angelica gigas Nakai. To increase the usefulness of the functional ingredients for prevention and improvement of some metabolic disorders, ethanol-treated hot water extracts of Angelica gigas Nakai were prepared. A hot water extract of Ligularia fischeri has 92% of electron donating capacity, 39.4 mg/g of total polyphenol compounds, 24.8 mg/g of flavonoids and 29.8% of
-glucosidase inhibitory activity, but no fibrinolytic activity. A hot water extract of Angelica gigas Nakai has 94.7% of electron donating capacity, 5.8 mg/g of total polyphenol compounds, 2.6 mg/g of flavonoids, 0.48 plasmin units of fibrinolytic activity and no
-glucosidase inhibitory activity. However, with partial purification using cold ethanol treatment, the
-glucosidase inhibitory activity of Angelica gigas Nakai was increased to 70.5%. Thus, we expected a more useful effect with the use of the addition of a cold ethanol-treated Angelica gigas Nakai extract. The L, b values of cold buckwheat noodles using a mixture of 0
3% of Ligularia fischeri powder and 0.5% of an ethanol-treated hot water extract of Angelica gigas Nakai were decreased with the addition of an increasing amount of Ligularia fischeri powder. Among the mechanical qualities, only adhesiveness was significantly higher in 3% Ligularia fischeri noodles. From sensory evaluation data, it was determined that these two functional ingredients did not ruin the color, texture, and overall acceptance of the cold buckwheat noodles. A higher amount of the extracts improved the quality of the product with little added cost.
Changes in the Content of Individual Phenolic Compounds in Apple Slices during Cold Storage
Ahn, Sun-Choung ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 489~498
The objectives of this study were to provide fundamental information on how individual phenolic compounds form on the inside of apple slices during cold storage, the changes in the content of four types of phenols, ingredient variation of individual phenolic compounds and the influence of phenolic compounds on enzymatic browning. This study measured the changes in the content of soluble solids, pH and vitamin C in order to investigate the correlations between these variables. HD and FA were the main phenolic compounds found in the apple slices, and HD was the most prevalent phenol. Furthermore, comparison of the CG and EP content revealed that there were more CGs than EPs. The phenol content tended to decrease considerably in the fresh apple slices and water-dipped apple slices but only slightly in the CP from sucrose-dipped apple slices and 0.5% ascorbic acid solution-dipped apple slices. The degree of browning increased in the following order: fresh apple slices, water-dipped apple slices, 0.5% ascorbic acid solution-dipped apple slices and CP from sucrose-dipped apple slices. The vitamin C content tended to decrease in the fresh apple slices, water-dipped apple slices, 0.5% ascorbic acid solution-dipped apple slices and CP from sucrose-dipped apple slices. The pH tended to increase in all sample groups, but the pH of the water-dipped apple slices was lower than that of the comparison group. The CP from sucrose-dipped apple slices had the lowest value of pH. The change in soluble solids tended to increase in all treatment groups, but this increase was less in the CP from sucrose-dipped apple slice. Correlation analysis revealed a high degree of correlation between browning and chlorogenic acid content. The results of the present study show that, when stored in the fridge, the change in phenol ingredient content in apple slices influences the browning of the slices. The results also showed that HD and FA were the main phenolic compounds, while CG was shown to have the greatest influence on browning.
Quality Characteristics of Grape Jellies with Sugar Derivative Sweeteners for the Elderly
Lee, Mi-Hye ; Choi, Eun-Jung ; Oh, Myung-Suk ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 499~506
This study was conducted to determine the quality characteristics of grape jellies for the elderly. The jellies contained sugar (control) or sugar derivative sweeteners (erythritol, isomaltooligosaccharide, sorbitol, and xylitol). Agar (0.31%) and
-carrageenan (0.27%) were the gelling agents. The average age of the subjects participating in the acceptance test was 79. The lightness (L), redness (a), and yellowness (b) values of the agar gel with erythritol mostly decreased, indicating a darker and pale red color. The L and b values of the carrageenan gel with sugar derivative sweeteners increased, indicating brighter and yellowish color. The agar and carrageenan gels with sorbitol showed higher gelling and melting temperature, indicating that gelation occurred easily and did not easily melt. The agar and carrageenan gels with xylitol showed a low-melting temperature, indicating low stability with temperature change. The break-down rate of the agar and carrageenan gels with erythritol was low, whereas that of agar gel with sorbitol was relatively high despite its high melting temperature. Hardness, cohesiveness, gumminess, and chewiness of the gels with sugar derivative sweeteners decreased, and this tendency was most distinct with isomaltooligosaccharide in the agar gel and with sorbitol in the carrageenan gel. The rupture properties of the gel were the same as the hardness of the gel. Sensory acceptance of the agar gels with erythritol, sorbitol, isomaltooligosaccharide, and the carrageenan gel with erythritol was fairly high, whereas that of the agar gel with xylitol and the carrageenan gel with isomaltooligosaccharide and xylitol was low. The results show that sorbitol and erythritol are appropriate as sugar substitutes in grape jellies for the elderly about the acceptability and stability of the gels.
The Quality Characteristics of Soy Cutlets Using Textured Soy Protein Treated with Different Enzymes
Kim, Eun-Bi ; Kim, Eun-Joo ; Lee, Han-Na ; Lee, Min-Kyoung ; Oh, Jong-Shin ; Kim, Sun-Ok ; Lee, Sook-Young ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 507~513
The development of soy cutlets containing textured soy protein (TSP) as a meat analog was studied. In order to decrease the beany flavor and to increase the texture, TSP was treated with 0.3% Flavourzyme or 0.1% Protamex for 10 or 20 min, respectively. The degree of hydrolysis for TSP treated with Protamex was higher than that treated with Flavourzyme. Hydrolysis was observed to increase as the reaction time was increased for both Flavourzyme and Protamex. The water holding capacity of TSP treated with Protamex for 10 min was the highest, and that treated with Flavourzyme for 20 min was similar to that of Protamex treatment for 20 min. The oil binding capacity of TSP treated with Protamex for 20 min was the highest. The hardness of the soy cutlets using TSP treated with Flavourzyme for 10 min was higher than that treated for 20 min, while that of Protamex treated for 20 min was higher than that treated for 10 min. The cohesiveness of the soy cutlets using TSP treated with Flavourzyme or Protamex for 10 min was higher than those treated for 20 min. The chewiness of the soy cutlets treated with Flavourzyme for 10 min was higher than for those treated for 20 min, while those treated with Protamex for 20 min was higher than those treated for 10 min. The springiness of TSP treated with Flavourzyme for 20 min was higher than those treated for 10 min, and higher than those treated with Protamex for 10 or 20 min. For sensory evaluation, the beany flavor of the soy cutlets treated with Protamex for 20 min was the weakest. The flavor and chewiness of both a pork cutlet and a soy cutlet treated with Protamex for 20 min were the best. In the overall quality, soy cutlets treated with Protamex for 20 min was the most desirable. In conclusion, soy cutlets treated with 0.1% Protamex for 20 min could be a reasonable substitute of pork cutlets.
The Quality Characteristics of Hamburger Patties Based on Enzyme Treated Textured Soy Protein
Kim, Sin-Ae ; Ryu, Myung-Hyun ; Lee, Min-Kyoung ; Oh, Jong-Shin ; Kim, Sun-Ok ; Lee, Sook-Young ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 514~520
This study addresses the development of a soy hamburger patty containing enzyme-treated textured soy protein (TSP) as a meat analogue. In order to reduce the beany flavor and enhance the texture, TSP was treated with 0.3% Flavourzyme for 5, 10, 20, or 30 min. The degree of hydrolysis and the water holding capacity of the TSP increased with increasing hydrolysis time. The oil binding capacity of the TSP also increased with increasing hydrolysis time, approaching the maximal value, 175.82%, at 30 min, whereas that of pork scored with the lowest value of 128.67%. The volume of pork was reduced to 81.5% as the result of heat treatment, whereas that of the TSP increased to 140.57%. The values of 'L', 'b', and '
' differed significantly (p<0.001) with heat treatment, but the 'a' values did not differ significantly. With regard to texture, the hardness values were highest in the pork hamburger patty (PHP), and were lowest in the soy hamburger patty (SHP) containing untreated TSP. The hardness of the SHP containing TSP treated for 20 min did not differ significantly from that of the PHP. The cohesiveness and gumminess of the SHP treated for 20 min were highest, whereas those treated for 10 min were the lowest. The gumminess of the SHP treated for 20 min did not differ significantly from that of pork. The chewiness of the PHP was the highest, whereas that of the SHP treated for 5 min was the lowest. In our sensory evaluation, PHP evidenced the highest scores, followed by the SHP treated for 30 min, as color, texture, beany flavor, and overall quality all improved as the consequence of increasing enzyme treatment duration. In conclusion, it is believed that SHP has great potential as a substitute for meat, in that the flavor, texture, and beany flavor of SHP did not differ significantly from those of PHP.
Effect of Lycii Fructus Powder on Lipid Metabolism in 1% Cholesterol Fed Rats
Han, Sung-Hee ; Park, Sung-Hyee ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 521~528
This study examined the effects of 2% Lycii fructus powder (LFP) supplementation on lipid metabolism in rats. Male Sprague-Dawley rats were administered 1% cholesterol and 0.25% sodium cholate to induce hypercholesterolemia. Then, 40 rats were divided into four diet groups: a normal diet group (NC), high cholesterol diet group (HC), normal diet plus 2% Lycii fructus powder (NC-LFP) group, and high cholesterol diet plus 2% Lycii fructus powder (HC-LFP) group. The HC group presented higher growth rates and liver weights than NC and NC-LFP however, growth rates and liver weights in the 2% LFP administered groups gradually decreased. HC also showed increased serum triglyceride, total cholesterol, free cholesterol, and LDL-cholesterol levels and decreased atherogenic index values, HDL-cholesterol, and phospholipid levels, whereas LFP group showed decreased serum triglyceride, total cholesterol, free cholesterol, and LDL-cholesterol levels as compared to HC. There were no differences in serum triglyceride, phospholipid, LDL-cholesterol, HDL-cholesterol, and free cholesterol concentrations between the normal diet groups (NC and NC-LFP). The high cholesterol diet groups (HC and HC-LFP) had significant increases in serum alanine aminotransferase (ALT), asparate aminotransferase (AST), alkaline phosphatase (ALP), and lactate dehydrogenase (LDHase) activities. And the 2% LFP administered groups had lower hepatic concentrations of total cholesterol and triglycerides than the HC groups. Overall, the results suggest that Lycii fructus powder has hypochloesterolemic effects by reducing serum and liver cholesterol contents.
Relationships among Obesity, Food Behavior, and Personality Traits in Elementary School Children
Choi, Kyoung-Mee ; Nah, Ji-Hye ; Lee, Eun-Hee ; Chyun, Jong-Hee ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 529~537
In this study, the relationships among obesity, food behavior, and personality traits were studied in male and female elementary school children. The obesity rates were calculated via the measured heights and weights of the subjects. Food behavior was surveyed via a questionnaire. Personality traits were evaluated using an authorized personality test. The obesity rates in the child subjects in this study were 34.1%in the male children, and 28.7% in the female children, and the rates of underweight were 18.2% in the males and 28.7% in the females. The percentage of obese children was slightly higher in the male population than in the female population. With regard to food behavior, the females evidenced significantly higher points than the males, particularly on the items designated 'slow eating' and 'stop eating upon satiety'. Among the personality traits assessed herein, which included emotional stability, general activity, sociability, masculinity, responsibility, reflectiveness, and superiority, the females evidenced significantly higher sociability scores than the males. The personality traits did not appear to be significantly associated with the obesity rate. However, the obese children scored lowest on all personality traits among the three groups. In terms of the relationship between food behavior and personality traits, children with high stability, sociability, responsibility, and superiority also had significantly higher food behavior scores. These results imply that the maintenance of good food behavior may enhance stability, sociability, responsibility, and superiority in children.
A Study of the Nutritional Knowledge and Diet Practice Behavior of College Students
Song, Byeng-Chun ; Cho, Ji-Hyun ; Lee, In-Yul ; Kim, Mi-Kyung ;
Journal of the Korean Society of Food Culture, volume 23, issue 4, 2008, Pages 538~542
The principal objective of this study was to determine the effects of diet knowledge and perception on diet practice behavior among university students. Data were collected between March and April of 2005 from 523 male and female university students in Seoul and Chungbuk, via a self-administered questionnaire. The subjects included 217 male students (41.5%) and 306 female students (58.5%), and 52.0% of the subjects were 21-23 years old. With regard to residence type, 42.6% of the subjects lived in the dormitory, home (29.1%) self-boarding (19.5%) and meal (8.8) were in the order. The average weights and heights of the subjects were as follows: 70.9
9.0 kg and 174.3
4.4 cm in the male students and 53.9
5.9 kg and 161.3
4.5 cm in the female students. The average BMI values of the male and female students were 23.4
2.5 and 20.8
2.1, respectively. The average nutritional knowledge scores were as follows: 1.96 out of 3.0, dietary habit (2.13), nutrition (2.0), exercise (1.98), preferred food (1.90), and chronic disease (1.79). We noted no significant differences between the male and female subjects in terms of scored points. Nutritional knowledge by gender and residence type were shown to be significantly different--the male subjects had higher scores for exercise than did the female subjects. The self-boarding subjects had significantly lower scores with regard to nutritional knowledge and chronic disease. The experience and duration of previous diet practice were also significantly different with regard to gender and residence type. The male subjects tended to conduct diet practice for longer periods than females. The self-boarding students reported more attempts at diet behavior, but for shorter durations. The results show that the nutritional knowledge and diet practice behavior of the subjects were influenced by gender and residence type.