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Antioxidant Activity and Quality Characteristics of Rice Wine Cakes Cookies with Different Ratio of Astragalus memvranaceus (황기 첨가 비율에 따른 황기주박 쿠키의 품질특성 및 항산화 활성)

  • Lim, Ji-Min;Kwon, Hyuk-Jin;Yong, Si-Eun;Choi, Ji-Ho;Lee, Choong-Hwan;Kim, Tack-Joong;Park, Pil-Sang;Choi, Yoon-Hee;Kim, Eun-Mi;Park, Shin-Young
    • Korean journal of food and cookery science
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    • v.29 no.1
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    • pp.11-18
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    • 2013
  • In this study, rice wine cakes (Jubak) was produced using with Astragali memvranaceus with excellent antioxidant and antidiabetic effects and produced. This Jubak was applied to improve the cookies of modern taste and well-being products. The cookies according to the different ratio (added 0-1.0%) of Astragali memvranaceus and investigated the physicochemical characteristics, sensory evaluation, DPPH free radical scavenging activities, polyphenol and flavonoid contents. There were little changes in pH and density. The hardness of all treated cookies increased with Astragali memvranaceus Jubak(AJ) containing of different moisture contents. In color, L and a values of most cases increased in most of the treatments, but b value was reduced. In the sensory evaluation, the flavor and total scores showed the highest in 0.5% AJ cookies. But the higher proportion of AJ cookies that had unique flavors and tastes, so the total acceptance score decreased. The polyphenol and flavonoid contents increased in the higher proportion of AJ. In DPPH free radical scavenging activities, the control (no Jubak added) was 44%, and containing of 1% AJ cookies showed 82%. In conclusion, our study suggests that 0.5% in addition of AJ increased positive attributes and functional to cookies.

A Study on the Health Status of Dental Technicians by Todai Health Index(THI) (THI에 의한 일부 치과기공사의 건강상태에 관한 조사 연구)

  • Kwon, Soon-Suk;Moon, Hee-Jung;Shin, Myung-Suk;Kim, Yoon-Shin
    • Journal of dental hygiene science
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    • v.9 no.2
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    • pp.169-179
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    • 2009
  • This study aims to present a fundamental data base to figure out the mental and the physical conditions that the dental technicians are facing and ultimately to develop a health care program to deal with their health related problems. To this end, we took an analysis on the health status among the subjects of 895 dental technicians currently working at the dental lab around the nation from January 15 to March 31, 2009 by way or Todai Health Index(THI). Of the average scale point in accordance with 12 scale scores of the physical and the mental subjective symptom, the results revealed that the physical appeals (21.10) were higher than the mental appeals (18.49) and the multiple subjective symptom was marked as 38.44 followed by the mental irritability (25.92). In gender differences, the females proved to be higher than the males in both physical appeals and mental appeals while the physical appeals were dominant in both genders. The physical appeals were higher than the mental appeals with regard to the general characteristics. In the case or the group or age twenties as shown in the physical and mental average scale point, the other groups showed 21.55% of the physical appeals among the married whereas the mental appeals showed the highest point as 18.70 in the unmarried group. In job position, the other groups marked the highest, in working condition, below average group marked the highest, in frequency of break time, none group marked the highest. We drew a conclusion form this study that the dental technicians gained the higher points in the item or the multiple subjective symptom, the menial irritability, and the irregular life. More research on th is phenomena should be followed along with the development of various and practical health care programs to promote the health or dental technicians.

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Comparison of Physicochemical Properties and Antioxidant Activities of Korean Traditional Kanjang and Garlic Added Kanjang (전통간장과 마늘첨가 간장의 이화학적 특성 및 항산화 활성비교)

  • Shin, Jung-Hye;Kang, Min-Jung;Yang, Seung-Mi;Lee, Soo-Jung;Ryu, Ji-Hyun;Kim, Ra-Jung;Sung, Nak-Ju
    • Journal of agriculture & life science
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    • v.44 no.2
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    • pp.39-48
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    • 2010
  • In order to develop the high quality kanjang in which a functionality is strengthened, the physicochemical properties and antioxidant activities of Korean traditional kanjang and garlic-added kanjang were compared and analyzed. Of color, lightness (L) and redness (a) value were not significant difference between a sample, but yellowness (b) value was higher than garlic-added kanjang. Moisture and crude protein contents were not significantly different, content of crude lipid and ash was higher than traditional kanjang. The pH were 5.02 and 4.91 in traditional and garlic-added kanjang, respectively. The salinity was $20.97{\pm}0.15%$ in garlic-added kanjang, that was significantly lower in garlic-added kanjang. The reducing sugar and total sugar contents were significantly higher in garlic-added kanjang. Na content was occupies 87~89% of total mineral content. The contents of total amino acids were 1,564.02 mg% and 1,932.41 mg% in traditional and garlic-added kanjang, respectiveluy. Also free amino acid was higher in garlic-added kanjang (484.43 mg%) than traditional kanjang (461.13 mg%). The antioxidant activities were increased in a does-dependent manner. In $100{\mu}L/mL$ concentration, electron donating abilities were $14.43{\pm}0.25%$ and $54.6{\pm}1.48%$ in traditional and garlic-added kanjang, ABTs radical scavenging activities of garlic-added kanjang was $57.21{\pm}1.34%$ that was higher than traditional kanjang ($43.27{\pm}0.19%$).

Storage Period of Milled Rice by Packaging Materials and Storage Temperature (온도와 포장재에 따른 백미의 저장가능기간)

  • Choi Yoon-Hee;Choung Jin-Il;Cheong Young-Keun;Kim Young-Doo;Ha Ki-Yong;Ko Jae-Kwon;Kim Chung-Kon
    • Food Science and Preservation
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    • v.12 no.4
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    • pp.310-316
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    • 2005
  • This study was carried out to investigate the quality characteristics by packaging materials and storage temperature to predict safe storage period for milled rice. Mechanical taste value and whiteness of milled rices stored at room temperature were severely decreased than those of the stored at low temperature, but fat acidity and b value of those at room temperature was rapidly increased than those of stored at low temperature. Milled rice packed in LDPE film bag were smelled stale flavor after 4 months storage at room temperature, Hojinbyeo was not produced flour in the rice grain surface but Dongjinbyeo was showed production of flour. pH of milled rice of Dongjinbyeo and Hojinbyeo packed in LDPE film bag were the lowest showing 5.3 and 5.6, respectively after 6 months at mom temperature. Safe storage period of Dongjinbyeo and Hojinbyeo packed in craft paper bag were 1 month at room temperature, those of packed in LDPE film bag were 2 months. At low temperature safe storage period of Dongjinbyeo and Hojinbyeo packed in craft paper bag were 2 months, those of packed in LDPE film bag were 5 and 4 months, respectively.

Physicochemical Comparison of Two Different Shark Meats Used for Preparation of Dombaeki (돔배기용 상어육의 이화학적 성분 비교)

  • Kim, Eun-Ok;Yu, Myeong-Hwa;Lee, Ki-Teak;Kim, Seon-Bong;Choi, Sang-Won
    • Food Science and Preservation
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    • v.15 no.5
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    • pp.711-718
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    • 2008
  • Dombaeki, a traditional salted shark meat, has been widely used as a customary religious food in the Daegu-Gyeongbuk area of Korea. Two different sharks, Sphyrna zygaena (SZ) and Isurus oxyrinchus (IO) are traditionally used to prepare Dombaeki. Chemical components, lipid classes, fatty acid levels, and sterol compositions of meats prepared from the two sharks were investigated. There were no significant differences in chemical composition between the two dried shark meats. Major amino acids in shark meat were leucine, lysine, arginine, proline, isoleucine, valine, phenylalanine, glutamic acid, and asparagine, which together accounted for about 40% of total amino acids. Levels of amino acids in IO meat were higher than in SZ meat. Major fatty acids in the two shark meats were palmitic ($C_{16:0}$), stearic ($C_{18:0}$), oleic ($C_{18:1}$), arachidonic ($C_{20:4}$), and docosahexanoic (DHA, $C_{22:6}$) acids, which accounted for about 80% of total fatty acids. Notably, IO meat showed higher amounts of DHA (31.8%) and eicosapentanoic acid (EPA, 1.8%) than did SZ meat. The two shark meats showed similar dry weight levels of total lipids, with triacylglycerols, free fatty acids, sterols, and phospholipidscomprising on average 5.0, 2.0, 13.0 and 63.0% of total lipids, respectively. The dominant classes of phospholipids were mainly phosphatidylcholine (PC) and phosphatidylethanolamine (PE). PC content in the two shark meats was higher than that of PE, although the differencewas not great. The major fatty acids in phospholipids were myristic, palmitoleic, stearic, and docosanoic acids. Total volatile basic nitrogen content and the pH of SZ meat were lower than those of IO meat, whereas the Hunter's 'a' and 'b' values of SZ meat were higher than those of IO meat. These results suggest that shark meat may be useful as a functional food to prevent several degenerative diseases.

Comparison of the Quality Characteristics of Radish by Soaking Using Sun-dried Salt and Leuconostoc starter (무 절임 제조 시 천일염과 스타터 첨가에 따른 품질특성 비교)

  • Na, Jong-Min;Jin, Yong-Xie;Kim, Se-Na;Kim, Jung-Bong;Cho, Young-Suk;Kim, Kwang-Yup;Kim, Haeng-Ryan;Kim, So-Young
    • Food Science and Preservation
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    • v.19 no.6
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    • pp.951-956
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    • 2012
  • In this study, the effects of the use of a starter on radish soaked at $4^{\circ}C$ for 28 days using two kinds of domestic sun-dried salt (white and gray salt) were determined. As a result, the moisture contents of the radish soaked with white and gray salt were 7.93 and 4.50%, respectively. The salinity levels were found to be equal (90%). No significant difference was found between the two groups in terms of the mineral contents of the salts therein ($37812.41{\pm}1922.95$ and $39755.13{\pm}1205.70$ mg/100 g, respectively). However, iron and zinc contents of gray salt were higher than those of white salt while the calcium, potassium, and magnesium contents were lower than those of white salt. After the addition of the starter, the sugar content increased, the pH decreased, and the total acidity rapidly decreased compared with the non-starter group during fermentation. The total microorganism count of the two groups increased during the fermentation period of 28 days. From the initial fermentation for 7 days, the lactic acid bacteria in the non-starter group increased while those in the leuconostoc starter group steadily increased within the whole fermentation period. The Leuconostoc spp. in non-starter group increased, but that in the starter group decreased to pH 4.0 on day 14.

A Study on The Art of War's strategy and its modern application (손자병법의 전략과 그 현대적 응용에 관한 연구)

  • Song, Yong-ho;Jun, Myung-yong
    • (The)Study of the Eastern Classic
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    • no.73
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    • pp.249-279
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    • 2018
  • This paper analyzes the 'strategy' of Sunzi's art of war and verifies the modern application value of it by combining the 'strategy' of the art of war with modern enterprise management. The army adopts 'war strategy' with the aim of minimizing the loss and sacrifice caused by the war and winning in the shortest time. Enterprise aims to maximize profits at the lowest cost and adopt 'business strategy'. Three factors of art of war's strategic, the 'power', 'adaptation', 'trickery', are similar to the 'internal resources analysis', 'external environment analysis' and 'information management' of the modern enterprise's management. In the process of establishing strategic plan, the art of war emphasizes 'strategy of winning' including 'prophet', 'estimates' and 'maneuvering', in the modern enterprise management, 'prophet' is shown as 'competitor analysis' of the '3C analysis' and 'benchmarking learning'. 'Estimates' is shown as 'SWOT analysis' and '4P's analysis'. 'Maneuvering' is shown as 'market positioning strategy' and 'market preemption strategy'. In the stage of implementing the strategy, 'surprise attack strategy', 'strategy of void and actuality' and 'dividing and integrating strategy' of the art of war are shown as follows in modern enterprises ; 'Surprise attack strategy' is shown as 'differentiation strategy' and 'concentration strategy', 'Strategy of void and actuality' is shown as 'information management' and 'rational market positioning strategy'. 'Dividing and integrating strategy' is shown 'diversification strategy', 'concentration strategy', 'change management', 'basic competition strategy', 'synergy effect' and etc. In terms of strategic results, the 'victory of war' of the art or war is shown as 'competitive advantage' and 'maximization of profits' in modern enterprise management strategy. In a word, although there are different names and expressions between the strategy of Sunzi's art of war and modern enterprise, but their connotation is the same. We can see that the art of war which was written in about B.C.500, has left a high utilization value for modern enterprise in rapid environmental change and intense competition.

Anti-inflammatory and Cytotoxic Screening Evaluation of Macroalgae Resources (국내 해조류 자원의 항염증 및 세포독성 스크리닝 평가)

  • Kim, C.W.;Chang, K.J.;Kim, Y.B.;Kim, D.H.;Chae, C.J.;Choi, H.G.;Koo, H.J.
    • Journal of Practical Agriculture & Fisheries Research
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    • v.22 no.2
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    • pp.69-79
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    • 2020
  • In this study, the anti-inflammatory and cytotoxic effects of hot-water extracts from 10 kinds of macroalgae in Korea were investigated. It was selected materials in consideration of biological activity and industrial potential as follows: Caulerpa okamurae; Codium fragile; Ulva australis; Ishige foliacea; Saccharina japonica; Sargassum horneri; Undaria pinnatifida; Gloiopeltis tenax; Gracilaria verrucosa; Porphyra tenera. Results showed that S. japonica and G. tenax significantly decreased NO productionn in LPS-stimulated Raw 264.7 cells at concentrations of 100, 1000 ㎍/mL and 1000 ㎍/mL, respectively. However, most of the other macroalgae used in the experiment did not affect NO production. It was observed that all macroalgae extracts except for the highest concentration (1000 ㎍/mL) treatment group of P. tenera did not affect the viability in Raw 264.7 cells. In addition, there was not significant decrease in cell viability by macroalgae extracts treatment in HINAE cells. These results suggest that S. japonica and G. tenax could be used as potential safe natural anti-inflammatory agents for food and feed additives. Also, the results of this study are expected to be used as basic data for the development of functional materials for 10 kinds of macroalgae resources in Korea.

Determining the Authenticity of Labeled Traceability Information by DNA Identity Test for Hanwoo Meats Distributed in Seoul, Korea (DNA 동일성 검사를 통한 서울지역 유통 한우육의 표시 이력정보 진위 판별)

  • Yeon-jae Bak;Mi-ae Park;Su-min Lee;Hyung-suk Park
    • Journal of Food Hygiene and Safety
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    • v.38 no.1
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    • pp.12-18
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    • 2023
  • Beef traceability systems help prevent the distribution of Hanwoo (Korean native cattle) meat as imported beef. In particular, assigning a traceability number to each cattle can provide all information regarding the purchased Hanwoo meat to the consumers. In the present study, a DNA identity test was conducted on 344 samples of Hanwoo meat from large livestock product stores in Seoul between 2021 and 2022 to determine the authenticity of important label information, such as the traceability number. Traceability number mismatch was confirmed in 45 cases (13.1%). The mismatch rate decreased to 11.3% in 2022 from 14.7% in 2021, and the mismatch rate was higher in the northern region (16.9%) than in the southern region (10.2%). In addition, of the six brands, B and D showed satisfactory traceability system management, whereas E and A showed poor traceability system management, with significant differences (P<0.001). The actual traceability number confirmation rate was only 53.9% among the mismatch samples. However, examination of the authenticity of label information of the samples within the identified range revealed false marking in the order of the traceability number (13.1%), sex (2.9%), slaughterhouse name (2.2%), and grade (1.6%); no false marking of breed (Hanwoo) was noted. To prevent the distribution of erroneously marked livestock products, the authenticity of label information must be determined promptly. Therefore, a legal basis must be established mandating the filling of a daily work sheet, including the traceability number of beef, in partial meat subdivisions. Our findings can be used as reference data to guide the management direction of traceability systems for ensuring transparency in the distribution of livestock products.

Eliminatory Effect of Health Drink Containing Hovenia Dulcis Thunb Extract on Ethanol-Induced Hangover in Rats (헛개나무 열매 추출물을 함유한 건강음료의 숙취 제거 효과)

  • Park, Eun-Mi;Ye, Eun-Ju;Kim, Soo-Jung;Choi, Hyun-Im;Bae, Man-Jong
    • Journal of the Korean Society of Food Culture
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    • v.21 no.1
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    • pp.71-75
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    • 2006
  • This study was conducted to investigate the eliminatory effect of health drink containing Hovenia dulcis Thunb extract on ethanol-induced hangover in rats. Male Sprague-Dawley rats weighing $200{\pm}10\;g$ were given health drink (10 mL/kg) or other company product(10 mL/kg) 30 min before or after 40% ethanol (5 g/kg body weight) ingestion. To study the effect of health drink on blood ethanol concentration, blood was taken from caudal artery at 1, 3, 5 hr and the animal were sacrificed 24 hr after ethanol ingestion. From 1 to 5 hr, health drink pre- or postdosing significantly decreased the ethanol levels in the blood. The acetaldehyde concentration showed decrement in health drink group and other company product group. The activities of ethanol, alcohol dehydrogenase and aldehyde dehydrogenase measured at postdosing, were also not altered by the administration of health drink. Alanine aminotransferase and aspartate aminotransferase activities showed unaltered resulted in all experimental groups compared with the normal group. These results suggest that oral intake of health drink containing Hovenia dulcis Thunb is effective on elimination of ethanol-induced hangover.