• 한국식품과학회지
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• 제27권6호
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• pp.944-949
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• 1995

쌀을 cooking, steaming, parching 등의 가공처리 형태로서 밥, 백설기, 미싯가루를 제조하여 methanol로 추출한 후 돌연변이 억제활성의 유지여부를 조사하기 위하여 Salmonella typhimurium reversion assay로 조사하고 SOS Chromotest로 확인하였다. S. typhimurium reversion assay에 대하여 직접변이원 4NQO로 유도한 frameshift type 돌연변이의 경우 $46%{\sim}100%$의 억제효과를 나타내었으며 억제활성이 투여농도에 비례하였다. Base substitution type 돌연변이의 경우는 각 가공물의 용매 추출물에서 억제활성이 미약하거나 서의 효과를 발견할 수 없었다. 간접변이원의 경우는 직접변이원과 비교하여 모든 처리구에서 억제효과가 관찰되었다. Trp-p-1으로 유도된 frameshift type 돌연변이의 경우 $75{\sim}100%$의 활성을 나타내었으며 $AFB_1$으로 유도된 base substitution type 돌연변이의 경우는 $66{\sim}87%$의 활성을 보여 직접변이원보다 억제활성이 높았다. SOS chromotest에 대하여는 4NQO로 유도된 돌연변이의 경우 억제활성이 없었으며 Trp-p-2로 유도된 돌연변이의 경우는 19-67%의 억제활성으로 S. typhimurium reversion assay와 같은 경향이 나타남을 확인하였다. 쌀의 항변이원성 물질은 rice-cooking, steaming, parching 등의 가공처리에 의해 억제활성이 소실되지 않아 가공 안정성이 있는 물질인 것으로 조사되었다.

• 대한영양사협회학술지
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• 제2권1호
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• pp.69-80
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• 1996

This study was performed to investigate the food preference trends of the children according to age increase and change of the times. The subjects were 1,450 children who are fifth grade of primary school and 2,000 juveniles who are senior high school in 1993. This survey data were compared with the Food preference study of the primary school aged children in 1987.' The results of this study can be summarized as follows 1. State of the general taste The subject had a high preferences to bulgogi(roast beef), panbroiled cuttlefish, steamed egg, fried sausage and donuts among the all sorts of 165 principal and subsidiary foods. But, fried beef liver, pancake, sweet potato with syrup, spinach soup and boiled rice with red bean didn't suit for their taste. Compared with survey data done in 1987, in present study significantly increased preferences to steamed food, pan frying and parboiled vegetables were shown. Particularly, food preference was changed with the cooking methods rather than materials. 2. Differences of the preference according to change of the times In present study, except the rice cakes preferences to all sorts of foods were improved and markedly increased preferences to steamed food, parboiled vegetables and mixed with seasonings were observed. Compared with 87's study deviation of the preference to cooking materials was decreased considerably. Preferences to salty tasted foods as like as stew and salted food were low no better than before. 3. Changes of preference according to age increase Among the principal foods, increased preferences to boiled rice and cereals were shown but to one-dish meal, bread and rice cake were decreased. Among the subsidiary foods, significantly decreased preference to frying was observed. Irrespectively of the cooking methods, preferences to fish and vegetables were improved. And in the frying and panbroiled foods, deviation of preferences to cooking materials were considerable, which means the fixation of food behavior.

• 한국환경보건학회:학술대회논문집
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• 한국환경보건학회 2002년도 춘계 국제 학술대회
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• pp.55-56
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• 2002

Aflatoxin is a secondary fungal metabolite and is a public health hazard because it is a human carcinogenic and has many deleterious effects in men and animals. Rice is one of the better substrates for the fungus which can produce aflatoxins. This study was performed to investigate aflatoxin reduction during the cooking and processing of rice. Aflatoxin was produced by Aspergillus parasiticus ATCC 15517 on well-milled rice(Japonica type) at the level of 13.2 ppb. Cooked rice, rice cakes (baek-sol-gi, plain steamed rice bread), fermented rice (sik-hye, sweet rice beverage), and popped rice were prepared from the aflatoxin-contaminated rice. Aflatoxin content in the samples was determined by high performance liquid chromatography. The total aflatoxin level was decreased to 46.9％ in the cooked rice, 85.6％ in the rice cakes, 11.4％ in the fermented rice, and 7.6％ in the popped rice, respectively (p＜0.05). This reduction brought the level of aflatoxins down to below the Standard and Specification of Korea (10 ppb), except for the rice cakes. These results indicate that washing, steaming, fermentation, and popping of rice was helpful in reducing the aflatoxin level in the rice and the most helpful factors were high temperature & high pressure. More research is needed to understand why the preparation of rice cakes did not reduce the level of aflatoxin as much as the other cooking methods.

• 한국식생활문화학회지
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• 제7권2호
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• pp.141-148
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• 1992

To analyze cookery of meal in reception dishes of Choson dynasty, studied historic book 'Youngjeob Dogam Euigwae' described feast dishes for Chinese envoy in Choson Dynasty. The results obtained from this study are as follows. Kinds of dishes served a meal generally were noodles(麵), bun stuffed with seasoned meat and vegetables(饅頭), steamed bread(床花), soup(湯), fried fish and meat(煎魚肉), dried fish and meat(切肉), minced raw meat(肉膾), slices of boiled meat(片肉), stew(蒸, 乾南), rice cake(餠), patterned savory cake(茶食), various fruits preserved in honey(正果), fried cake made of wheat flour, honey and oil(造果), fried glutinous rice cake(强精), rice gruel(粥), salted fish shrimp and etc, jerked meat(佐飯), meat fish and others broiled with seasoning(炙), cooked potherbs and potherbs(菜), pickled vegetables(沈菜), fruits(實果), soysauce mixed with vinegar and pinenut meal(醋醬), mustard(茶子), soybean sauce(民醬), honey(追淸), honey water(水正果, 正味子水) and etc.

• 한국식품영양학회지
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• 제15권1호
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• pp.50-57
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• 2002

인천광역시 4, 5, 6학년을 400명을 대상으로 아침식사 유형과 기호도를 조사한 결과는 다음과 같다. 매일 밥과 반찬을 먹는 비율(42.6%)이 가장 많았고 아침을 거르는 경우(14.0%)가 다음으로 많았다. 아침식사로 빵, 시리얼, 죽을 포함한 다른 유형은 드물게 나타났다. 또한 아침으로 먹고 싶다고 답한 아침식사의 유형도 밥과 반찬을 가장 선호하였으며 이는 아동들이 아침으로 밥과 반찬을 실제로 가장 많이 먹고 있으면서도 밥에 대한 선호도 또한 높게 나타나고 있음을 보여준다. 아침을 굶는다고 답한 경우는 아침에 일어나서 등교할 때까지의 시간이 유의적으로 짧기 때문으로 (p<0.05)따라서 아침에 일찍 일어나서 활동하는 시간을 늘려주면 아침식사의 결식율을 낮출 수 있겠다. 이상으로 아침식사는 영 양적이고 시간에 부담이 없이 먹을수 있는 간편한 식사를 선호하며 밥과 반찬에 대한 선호도가 아주 높음을 알 수 있었다.

• 한국식품조리과학회지
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• 제14권1호
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• pp.106-113
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• 1998

The purpose of this study is to investigate the antimicrobial effect of mugwort (Artemisia asiatica Nakai) on the rice cake and bread preservation, and to identify their antimicrobial compounds. The mugwort extracts showed complete inhibition on the growth of Bacillus subtilis and Staphylococcus aureus at 250 $\mu\textrm{g}$/ml level. Antimicrobial activi쇼 of mugwort extract were stronger than that of commercial antimicrobial agent. Five % of sodium propionate solution showed complete inhibition on the growth of B. subtilis, E. coli and S. aureus, but L. plantarum was inhibited 50.87% at the same concentration. When various amounts of freeze-dried mugwort powder were added in sulgis (steamed rice cake), 3% ssooksulgi (mugwort powder added sulgi) had quite lower level of total bacterial count (5.5$\times$$10^/5 CFU/g) compared with the control group (1.4$\times$$10^/7 CFU/g) at ambient temp. (30$\pm$1$^{\circ}C$) after 72 hr. Three % addition of mugwort showed 2 days extention of shelf-life of rice cake. The sensory qualities of ssooksulgi has no significant difference in moistness, consistency, cohesiveness, afterswallowing and overall quality compared with control group. Ssooksulgi with 3% of mugwort powder had the best overall quality in sensory test. The methanol extract of 500 $\mu\textrm{g}$/ml of mugwort could lead the successful retardation of the growth of putrefactive microorganism during the incubation of rice cake at 37$^{\circ}C$ for 24 hr. On the other hand, coumarin (Sigma) had 54% inhibitory effect at 500 $\mu\textrm{g}$/ml level, and (E,E)-2,4-decadienal completely inhibited the growth of putrefactive microorganism of whitesulgi at 100 $\mu\textrm{g}$/ml level during the incubation at 37$^{\circ}C$ for 48 hr.48 hr.

• 동아시아식생활학회지
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• 제21권6호
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• pp.948-955
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• 2011

The purpose of this study was to investigate middle school boys' and their parents' preference on menu types of school breakfast. School breakfast was served at a boys' middle school in Gyeonggi-do, Korea for 7 weeks. Ten types of convenient menus, including steamed rice, rice porridge, rice cake, bread, or cereal, were served to 200 students free of charge. After the service period ended, questionnaires were distributed to the students and their parents. Usable questionnaires were returned by 142 (71%) students and 124 (62%) parents. About two-thirds (66%) of the students and about half (51%) of the parents preferred convenient menus to traditional menus as school breakfast. The students were the most highly satisfied with the menu type including hot dog buns whereas the parents regarded these as neither appropriate nor inappropriate as school breakfast. Overall, the menu types including steamed rice such as Kimbap or rice balls were highly ranked in terms of the students' level of satisfaction as well as the parents' level of appropriateness evaluation. About 20% of the students and 50% of the parents expressed intention to eat or make their children eat school breakfast even if payment is required. Over two-thirds of both the students (70%) and parents (68%) responded that less than 1,500 won per meal would be the appropriate price of school breakfast. The results of this study show that convenient menus could be considered as alternatives to traditional menus in school breakfast service, although additional efforts are necessary to develop such menus to satisfy both the students and their parents.

• 한국가정과학회지
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• 제7권4호
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• pp.5-23
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• 2004

This study was done to provide basic information for nutrition education and meal planning preference, Children's preference according to cooking method is high in fruit. drink, fried foods, dish food, but low in Sangchae, Sukchae, and Jangachies. The preference of staple food was that the most preferred foods were plain rice in rice, chicken gruel in gruels, rolled rice in one dish foods. and Jajangmyeon in noodles. The preference of side dishes was that the most preferred foods were seaweed in soups, Kimchi in Chigaes, beef and pork rib in steamed foods, beef in braised foods, Bulgogi in grilled foods, egg-fry in pan fried foods, Ddukbokki in stir-fried foods, pork cutlet in fried foods, Dotorimuk in Sangchaes, fruit in salads, bean sprouts in Sukchaes, Baechu Kimchi in Kimchies and Danmuji in Jangachies. The preference of snack was that the most preferred foods were citrus in fruits, Kkuldduk in rice cakes, hotdog in bread, ice cream in milk and dairy products and fruits juice in drink.

• 한국식품조리과학회지
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• 제19권2호
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• pp.144-154
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• 2003

A survey on meal preferences from 693 middle school students was conducted with the objective to enhance the quality of the school food service in Gwangju and the Chollanamdo area. Data were collected by questionnaires and analysed with the SAS program. The most preferred rice was cooked rice; the most unusual meal preference was laver rice; and the most-liked bread was sweet red bean jam bun. The noodle of choice was Tchajangmyon, and the most-liked rice cake was reasoned bar rice cake. The highest ranted korean soups were boiled fish paste soup, kimchi stew, and short rib sour. The most preferred fried meal included fried beef with sweet and sour sauce, and favorite side-dishes were seasoning vinegar squid and kimchi. Yogurt and strawberry were the preferred desserts. A gender difference in preferred foods was seen. The males tended to favor rice with blackish bean sauce, dumpling soup, beef bean curd soup, beef soup, short rib soup, beef bone and tripe soup, hot shredded beef soup, chopped roast chicken, pork roast, roast meat, steamed pork short-ribs, fried port, fried ham, sausage, milk, and yogurt. Males were partial to staple foods and side dishes, The, females favored laver rice, seasoned bar rice cake, bean sprouts soup, fried squid ring, seasoned cucumber, seasoned bean sprouts, fried kimchi, fruits salad, corn salad and citrus fruits. Females tended to choose lighter meals. Meal preference according to residential area showed that, students in Gwangju had more preferences than students in the Chollanamdo area. Classified according to grades, third graders had the greatest meal preference.

• Nutrition Research and Practice
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• 제14권6호
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• pp.637-653
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• 2020

BACKGROUND/OBJECTIVES: This study examined the associations between food consumption frequency of Korean adults and self-perceived chewing difficulty, using the food frequency questionnaire (FFQ, 112 items) from 2013-2016 of the Korea National Health and Nutrition Examination Survey (KNHANES). SUBJECTS/METHODS: Subjects were divided into not difficult in chewing (NDC) and difficult in chewing (DC) groups, with 24.17% being classified into DC. Males and females consumed 35 and 37 items less frequently than the other sex, respectively. Due to the remarkable gender difference in food consumption, gender-stratified one-sided survey regression analysis was performed after adjusted for the effect of age, household income, and self-rated health status. RESULTS: Thirty-four items of FFQ were significantly less consumed by the DC group. Females exclusively consumed less beverages and alcohol while males showed the same for fruits and milk·dairy products. Consumption frequency of 8 items such as steamed potatoes·grilled potatoes, stir fried beef, other kimchi·fresh vegetable kimchi, orange, sour pork·pork cutlet, tteokbokki and green tea were significant only in males. In contrast, 17 items including cooked rice with other grains and legumes, boiled egg·steamed egg, Korean cabbage kimchi, banana, and tofu stew·soft tofu stew were significant only for females. Finally, items that showed significance for both were 9 items including loaf bread, ready-to-eat cereal, steamed sweet potatoes·grilled sweet potatoes, stir-fried lotus roots·stir-fried burdock, green laver salad·brown seaweed salads, apples, tomato·cherry tomatoes, squid (raw, dried shredded, boiled, stir-fried), and curd type yogurt. CONCLUSIONS: Findings in this study suggest chewing difficulty may be an important nutritional issue that has to be dealt with for healthful food consumption, with distinct interest of gender.