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The Breakfast Type and Rice Preference in students and workers living in Kyeonggi Province, Korea (경기지역 직장인과 학생의 아침식사형태와 쌀 음식의 섭취와 선호)

  • 최미용;박동연;이영희;이승교
    • The Korean Journal of Community Living Science
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    • v.14 no.2
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    • pp.49-62
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    • 2003
  • Breakfast consumption is important for nutritional balance in all population groups. The objective of this study is to seek healthy Korean with continuous traditional breakfast consumption of rice. One thousand participants who go to work or school every morning were selected by stratified method and interviewed by regional home extension workers in 24 cities, Kyeonggi province, Korea. The questions included breakfast eating habits, perceived health status,and food preferences for breakfast. The students (70.5%) were composed with elementary (17.2%), middle school(15.7%), high school(16.5%), and university(21.l%)students. The rest 29.5% were workers. The recognized importance of eating breakfast was negatively correlated with the perceived health status. It means that lowering health status made them recognize the importance of breakfast. Workers had more boiled rice with side dishes for breakfast(58.6%) than students (40.2%). The reasons of selected items for breakfast were habit (28.5%), and health (14.6%). The propensity of convenience and preference was more frequent in male workers than male students. For breakfast, ready-to-eat food (rice-roll or rice ball, retort rice, and fast-food) preferred more in middle & high school students, but boiled rice with side dishes was preferred more in workers. Boiled rice with divers cereals was selected for main dish in workers, however boiled rice only in students if obliged. We suppose the problem in next decade would be skipped breakfast in regular attendance position. For breakfast with ready-to-eat rice or something to eat in short time, students and workers should be educated to those who are too busy to eat breakfast for the enhancement of human resources.

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Effect of Deoxygenizer on the Suppression of Lipid Deterioration of Boiled and Dried-Anchovy Engraulis japonica

  • JEONG Bo-Young;SEO Hae-Jeom;MOON Soo-Kyung;PYEUN Jae-Hyeung
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.28 no.6
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    • pp.770-778
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    • 1995
  • Anchovy Engraulis japonica boiled and dried was stored at $20^{\circ}C$ for 5 months after that treatment of sodium-erythorbate (Na-ery) or deoxygenizer (Deoxy). During storage, peroxide value (POV), thiobarbituric acid (TBA) value, lipid content, and lipid class compositions were determined to evaluate the quality of the samples. pay was decreased rapidly for the first 3 months storage and its decrease was Deoxy group>Control group>Na-ery group in that order. TBA values increased for the first 4 months and then decreased rapidly, and it's increase was the highest in Control group, followed by Na-ery and Deoxy group. Total lipid contents in all samples declined during storage. Especially, phospholipid decreased mainly in Na- ery and Deoxy group, while neutral lipid mainly in Control group. Triglyceride (TG), phosphatidylethanolamine(PE), and phosphatidylcholine(PC) decreased, while free fatty acid (FFA) and lyso-PC (LPC) increased during storage. The decrease of TG was the highest in Control group and that of PE and PC was higher in Na-ery group than in other sample. The decrease of PE in all samples (except Deoxy group) was higher than that of pc. The increase of FFA and LPC were higher in Control and Na-ery group than in Deoxy group. These results indicated that the lipid deterioration of the boiled and dried-anchovy was effectively suppressed by the enclosed deoxygenizer during storage at $20^{\circ}C$.

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A Study on the standardizing of Recipe for Soup Making - Focused on Clear Soup - (국조리의 과학화에 관한 연구 - 맑은장국을 중심으로 -)

  • Hong, Jin Sook
    • Korean journal of food and cookery science
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    • v.15 no.6
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    • pp.595-602
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    • 1999
  • This study was intended to develop traditional Korean soup recipe which can be used for food service and meet consumers' taste with a focus on clear soup such as clear radish soup, sea mustard soup, dried pollack soup, croaker soup, and backbone soup. The developed sample(S1) showed the highest level of overall preference among consumers. There were significant differences in sensory characteristics of the samples especially between S1 and others. The sensory characteristics of each soup showed a slight difference depending on the kind of soup, however, all items had an effect on overall preference. One of the standardized recipe to make broth was presented as follows: The ingredients for broth consists of the shank or brisket of beef(100 g), water(10 cup), spring onion(20 g), onion(30 g), garlic(10 g), salt(1 teaspoonful), and black pepper power(1/10 teaspoonful). 1) The meat part of shank or brisket is prepared. 2) The unfrozen meat is immersed in cold water for 20 min, whereby blood is extracted from the meat. 3) 10 cups of water are poured into the pan and boiled enough. 4) After water has boiled enough, the lump of meat with blood extracted is cut into 2 or 3 pieces and is boiled in the boiling water by high-intensity heat with the pan lid uncovered, and dirty foam is scooped out while boiling. 5) If the broth begins to be extracted, the intensity of heat is lowered for boiling for one hour or so, and then again boiled for 30 min with spring onion, garlic, onion and the like. If the broth is extracted enough, spring onion, garlic, onion, and others are removed from the pan. the broth is seasoned with salt and black pepper powder, and foam is removed by using fine mesh sieve or gauze. Then, 6 cups of clear broth is obtained finally.

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Preferences and Consumption Patterns of Consumer to Develop Processed Pork Products for Export

  • Seo, Sang-Hee;Kim, Eun-Mi;Kim, Young-Boong
    • Food Science of Animal Resources
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    • v.32 no.1
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    • pp.18-23
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    • 2012
  • This study was conducted to survey the perception of domestic consumers about traditional pork dishes, and to utilize the survey result as a basis for the development of processed pork products. A survey was conducted on 218 domestic consumers regarding the following: general questions, propensity and preference to consume pork dishes, pork dishes feasible for export, and the types and problems of processed products feasible for export. The results of the survey showed that the respondents consumed pork dishes 3-4 times a month on average and they appeared to consume the pork dishes most frequently in specialized restaurants. The highest preference was shown in Samgyeopasal gui (grilled pork belly) and Galbi gui (grilled pork rib) among the pork dishes, whereas the lowest preference was shown in Kkubdegi gui (grilled pork skin) and Gookbob (boiled rice and pork served in soup). When the type of processed pork products available according to pork dishes were analyzed, the result showed that Samgyeopasal gui (grilled pork belly) and Nirbiani (slices of roast, seasoned pork in width) could be developed as a frozen product, Geyook Bokeum (stir-fried spicy pork), Bulgogi (Korean-style barbecued pork), and Galbi jjim (braised short ribs) could be developed as a retort product, and that Bossam (boiled pork eaten with a salty sauce and wrapped in greens), Pyeonyuk (slices of boiled pork), Jokbal (pork trotters), and Sundae (kneading together seasoned mixture of vegetables and glass noodles stuffing it into casings made of hog intestines, which are then tied off at the ends and boiled) could be developed as a vacuum-packed product. When the survey concerning the problems expected in the development of processed products using pork dishes was conducted, the result showed that there could be a texture change issue for Galbi gui, Samgyeopasal gui and Nirbiani; a preservation issue for Bossam, Pyeonyuk; a safety issue for Bulgogi and Geyook Bokeum; a taste and flavor change issue for Geyook Bokeum and Sundae; and a packaging issue for Gookbob.

Food Component Characteristics of Plain Dried Anchovies on the Market (시판 소건멸치의 식품성분 특성)

  • 김진수;양수경;허민수
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.29 no.1
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    • pp.20-25
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    • 2000
  • This study was conducted to evaluate the quality of the plain dried anchovies on the market by determining chemical components, and compared with those of boiled-dried anchovy. The nutritional(total amino acid contents, mineral contents and fatty acid compositions) and favorite properteis (extratives nitrogen content, color and appearance) of plain dried anchovies were superior to those of boiled-dried anchovy. On the other hand, the lipid properties (peroxide value and acid value), food sanitary properteis (volatile basic nitrogen content) and sensory properties (odor) of plain dried anchovies were inferior to boiled-dried anchovy. These results indicated that the plain dried anchovy was classified into lower grade goods by food quality standards.

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DEGRADATION OF ACID SOLUBLE NUCLEOTIDES AND THEIR RELATED COMPOUNDS IN SEA FOODS DURING PROCESSING AND STORAGE 1. Changes of Nucleotides during Drying Process of the Anchovy, Engraulis japonica (수산식품의 가공 및 보장중의 핵산관련물질의 변화에 관한 연구 1. 마른 멸치 제조과정중의 핵산관련물질의 변화)

  • LEE Eung-Ho;PARK Young-Ho
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.4 no.1
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    • pp.31-41
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    • 1971
  • The present study was directed to define the degradation pattern of the nucleotides and their related compounds in the muscle of anchovy during drying. Three kinds of samples, fresh, sun dried and boiled-and-dried anchovy, were prepared and the contents of nucleotides and related compounds of samples were determined by ion exchange chromatography. The results obtained are summarized as follows: Almost all of ATP disappeared in both muscle of sun dried and boiled-and-dried anchovy, although the initial content of ATP in fresh muscle was very low ($1.8{\mu}moles/g$, dry basis). But the remainning amount of ADP was considerably high while the other nucleotide almost entirely disappeared. This suggested that the residual ADP is responsible to the 'bound nucleotide' of myofibrils. In general, AMP content was comparatively lower than that of other nucleotides. Among three samples, the boiled-and-dried sample showed relatively higher AMP value than others. The amount of IMP remained in muscle remarkably varied between the boiled-and-dried anchovy and sun dried anchovy, the former's value being sixteen times higher than that of latter. In the contents of inosine and hypoxanthine, the sun dried anchovy marked an exceedingly high value equivalent to 2.7 times of the boiled-and-dried anchovy. In comparison of the ratio of inosine and hypoxanthine, hypoxanthine was accumulating in boiled-and-dried anchovy whereas inosine was in the sun-dried anchovy. Eighty three percent of total nucleotides in the fresh anchovy retained in the boiled-and-dried anchovy and IMP ratio in total nucleotides was $73\%$. On the contrary, the sun dried anchovy showed barely $10\%$ of retention rate and IMP ratio was only $38\%$. Considered from the flavor quality of dried anchovy, so far as concerned IMP content, it may be said that the boiled-and-drying method is more favorable process for dried product of anchovy than the sun-drying method.

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Concentration of Heavy Metals in Sagunjatang, Decoction and Its Ingredient Herbal Medicines (사군자탕 제조 시 탕약과 찌꺼기 중의 중금속 함량연구)

  • Park, Moon-Ki
    • Journal of Environmental Science International
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    • v.16 no.2
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    • pp.241-245
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    • 2007
  • We studied concentration of heavy metals in Sagunjatang. In this experiment was analyzed the concentration of heavy metals of boiled Sagunjatang, decoction and its ingredient herbal medicines. The concentration of heavy metals(As, Pb, and Cd) were analysed using ICP-AES, and Hg was analysed by mercury analyzer. The average concentration of heavy metals in Sagunjatang were as follows : In all ingredient herbal medicines (Glycyrrhizae Radix, Atractylodes Macrocephala, Poria Cocos and Jinseng) of Sagunjatang, As(arsenite) contents in ail samples was in the range of 0.369-0.723ppm, Cd(cadmium) was in the range of 0.000-0.085ppm, Pb(lead) was in the range of 0.059-0.871ppm and Hg(mercury) was in the range of 0.001-0.004ppm. In boiled Sagunjatang, the concentration of heavy metals(As, Pb, Cd and Hg) was in the range of 0.000-0.016ppm, respectively. In the decoction of herbal medicines after boiled, the concentration of heavy metals was in the range of 0.004-0.387ppm. These results suggest that Sagunjatang which we take is less harmful than herbal medicine itself, and there are more significant for using the decoction of herbal medicines.

Effects of Storage Temperature and Packaging Methods on the Microbiological and Organoleptic Qualities of Boiled-Dried Anchovies (저장온도 및 포장방법이 건멸치의 미생물학적 및 관능적 품질에 미치는 영향)

  • 권중호;이기동;변명우;조한옥
    • Journal of Food Hygiene and Safety
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    • v.10 no.2
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    • pp.103-109
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    • 1995
  • Microbiological and organoleptic qualities of boiled anchovies were evaluated during storage for 8 months at different temperatures and packaging methods. Microbial populations of marketing samples were 106~107 CFU/g in aerobic bacteria, 103~106 CFU/g in yeasts/molds and 103~105 CFU/g in coliforms, respectively, which were the highest in retail sample, followed by in military goods and wholesale sample. Moreover, anchovies supplied for retail sale and military goods were contaminated with sanitary indicative microbes. The samples stored at ambient condition(15~33$^{\circ}C$, RH 5$0^{\circ}C$95%) lost their marketable quaity mainly due to microbial propagation prior to 6 months, irrespective of packaging methods, corrugated-cardboard box and laminated-film(nylon 15${\mu}{\textrm}{m}$/PE 100${\mu}{\textrm}{m}$). However, cooling(5~1$0^{\circ}C$) as well as well as freezing temperatures($\leq$-18$^{\circ}C$) following laminated-film packaging were effective for keeping the organoleptic qualities of stored anchovies up to 8 months. The population of yeasts and molds was shown the quality-indicative criteria for stored anchovies and their critical levels were 5.00 log counts/g, showing a higher negative-correlationship(r=-0.901) with changes in organoleptic quality.

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In Vitro Antiviral Activity of Aqueous Extracts from Korean Medicinal Plants Against Influenza Virus Type A

  • Park, Kap-Joo;Lee, Hyung-Hoan
    • Journal of Microbiology and Biotechnology
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    • v.15 no.5
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    • pp.924-929
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    • 2005
  • Boiled-water extracts from 101 Korean medicinal plants were tested in vitro for their inhibitory activity against influenza virus type A by means of a modified hemagglutination inhibition test. Thirteen of the 101 extracts exhibited strong anti-influenza virus type A activity at concentrations of less than $780\;{\mu}g/ml$. Out of the above 13 extracts, MW-40 (Chaenomeles speciosa), MW-88 (Citrus junos), and MW-100 (Zingiber officinale) exhibited marked antiviral activity in the concentration range of $0.195\;{\mu}g/ml$ to 100 mg/ml, $0.0487\;{\mu}g/ml$ to 100 mg/ml, and $0.0487\;{\mu}g/ml$ to 100 mg/ml, respectively. The extracts MW-88 and MW-100 were not cytotoxic to red blood cells, whereas MW-40 showed very weak cytotoxicity in the concentration range of 50 mg/ml to 100 mg/ml. Therefore, the present results demonstrate that boiled water extracts of 2 Korean medicinal plants, MW-88 and MW-100, have strong anti-influenza virus type A activity and no cytotoxic effects, and they may inhibit attachment of the virus to the cell and may be used for prophylaxis.

Effect of Hot Water Boiling and Autoclaving on Physicochemical Properties of American Ginseng (Panax quinquefolium L.)

  • Kim, Kyung-Tack;Yoo, Kyung-Mi
    • Journal of Ginseng Research
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    • v.33 no.1
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    • pp.40-47
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    • 2009
  • This study evaluates changes in the chemical composition and bioactivities of American ginseng (Panax quinquefolius L.) processed by boiling in water, $75^{\circ}C$ for 10, 20, 30, and 40 min, and autoclaving at high temperatures, $115^{\circ}C$ for 30 and 60 min and $130^{\circ}C$ for 90 and 120 min. Total ginsenoside contents of boiled ginseng remained relatively unchanged, whereas the contents of autoclaved ginseng samples significantly decreased with an increase of both time and temperature. Compared to unheated ginseng (control), the color of both boiled and autoclaved ginseng decreased in lightness and increased in redness. The acidic polysaccharide contents, the total phenolic contents and the antioxidant capacity of boiled and autoclaved ginseng were higher than the untreated ginseng, with the highest values being exhibited by the autoclaved samples. In particular, the antioxidant capacity of unheated ginseng increased about 2.5 times ($285.7{\pm}14.03\;mg$/100g to $777.2{\pm}26.4\;mg$/100g) when ginseng was autoclaved at $130^{\circ}C$ for 120 min as compared to the control. It was concluded that as American ginseng was processed at a high temperature, especially steam-heated in an autoclave, its chemical constituents changed and, in particular, acidic polysaccharides, total phenolics and antioxidant capacity were considerably increased.