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Combined Effects of High Pressure Processing and Addition of Soy Sauce and Olive Oil on Safety and Quality Characteristics of Chicken Breast Meat

  • Kruk, Zbigniew A.;Kim, Hyun Joo;Kim, Yun Ji;Rutley, David L.;Jung, Samooel;Lee, Soo Kee;Jo, Cheorun
    • Asian-Australasian Journal of Animal Sciences
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    • v.27 no.2
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    • pp.256-265
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    • 2014
  • This study was conducted to evaluate the combined effect of high pressure (HP) with the addition of soy sauce and/or olive oil on the quality and safety of chicken breast meats. Samples were cut into 100 g pieces and 10% (w/w) of soy sauce (SS), 10% (w/w) of olive oil (OO), and a mixture of both 5% of soy sauce and 5% olive oil (w/w) (SO) were pressurized into meat with high pressure at 300 or 600 MPa. Cooking loss was lower in OO samples than SS samples. With increased pressure to 600 MPa, the oleic acid content of OO samples increased. The total unsaturated fatty acids were the highest in SO and OO 600 MPa samples. Lipid oxidation was retarded by addition of olive oil combined with HP. The addition of olive oil and soy sauce followed by HP decreased the amount of volatile basic nitrogen during storage and reduced the population of pathogens. Sensory evaluation indicated that the addition of olive oil enhanced the overall acceptance and willingness to buy. In conclusion, the combination of HP with the addition of soy sauce and/or olive oil is an effective technology that can improve chemical, health, sensory qualities and safety of chicken breast.

Design of HSE Management System in a Shipyard using object-oriented Component-Based Development Method (ooCBD방법론을 적용한 조선소의 HSE관리시스템 설계)

  • Oh, Hyun-Soo;Chang, Seong-Rok;Kim, Dong-Joon
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.19 no.1
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    • pp.71-77
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    • 2013
  • Smart work has been gaining more popularity recently. Smart work means that employees perform their works anytime and anywhere as utilizing the information and communication technology. It can be divided into four categories; the mobile office, the home office, the work-at-center and the tele-cooperation. Among them, the mobile office based on tablet personal computers(PCs) or smart phones, employees can exchange information with tablet PCs or smart phones via mobile radio communication networks and portable terminals. Smart devices such as tablet PCs and smart phones help to access intranet system for requests, approvals, information search whenever employees need. This mobile office system for real-time HSE managing can contribute to improve the productivity and work efficiency in a shipyard. In this study, the main goal is to design the specialized mobile application for the HSE management system on the shipbuilding industry. The mobile application including 10 functions is designed based on ooCBD(object-oriented Component Based Development) methodology.

The Effects of Panax ginseng on TCDD-induced Testicular Atrophy in Guinea Pigs

  • Kim, Wun-Jae;Hwang, Seok-Yeon;Lee, Hyung-Lae;Song, Geun-Song;Kim, Si-Kwan
    • Proceedings of the Ginseng society Conference
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    • 1998.06a
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    • pp.300-311
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    • 1998
  • 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD), one of the most notorious toxic environmental pollutants, induces various toxic effects in many organs including testes and is regarded as an endocrine disruptor. Korean ginseng, on the other hand, has been well known for its preventive effects on lox- ins, diabetes melltus and hyperlipidemia. We investigated, histopathologically, the effect of Korean Red ginseng water extract (KR-WE) on guinea pig testes damaged by TCDD. Ninety guinea pigs were divided into 6 groups: normal control (NC) group received vehicle and saline; TCDD,1191kg b.w., was administered intraperitoneally to the single dose TCDD-treated (77) group; 100 mghg b.w.16 and 200mg1kg b.w./d KR-WE were injected intraperitoneally to the preventive groups (PIOO and P2OO, respectively) for 28 days from 1 week before TCDD injection, and to the therapeutic groups (CIOO and C2OO, respectively) for 14 days since 1 week after TCDD administration. Increment of body weight was retarded to a larger extent by TCDD. Moreover, body weight of the 77 group decreased significantly 7 days after TCDD exposure, while that of preventive groups kept increasing. Decrease in body weight was not observed in KR-WE-treated groups. Weight decrease in testes caused by TCDD was remarkably protected by KR-WE. Testicles in 77 group displayed decreased tubular size and maturation arrest at the primary or secondary spermatocyte stage. On the other hand, maturation arrest in germ cells by TCDD was improved in KR-WE treated groups. Almost complete protection of the testes was observed in PIOO and P2OO groups. In addition, the therapeutic effect was noticed in C 100 and C2OO groups. These results provided strong evidence that Korean Red ginseng might be a useful agent for the prevention and treatment of testicular damage induced by environmental pollutants.

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Dioxygen Transfer from 4a-Hydroperoxyflavin Anion to Isomeric Aminophenolates

  • Sam-Rok Keum;Ki-Bong Lee;Thomas C. Bruice
    • Bulletin of the Korean Chemical Society
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    • v.11 no.2
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    • pp.95-99
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    • 1990
  • The dioxygen transfer reaction from $N^5$-ethyl-4a-hydroperoxy-3-methyllumiflavin anion (4a-FlEtOO-) has been extended to isomeric aminophenol systems (1a-4a). O-aminophenol (o-AP, 1a & 2a) and p-aminophenol(p-AP, 3a & 4a) were turned out to be good substrates, whereas m-aminophenol(m-AP, 5a) was not. This is due to the charge location which is not on the carbon bearing the amino group. o-AO's react with 4a-FlEtOO- to give isophenoxazine derivatives (6 & 7) and with p-AP's to produce p-benzoquinone derivatives (8 & 9). The partition coefficients $(k_2/k_3)$ of 1a & 2a were $4.84{\times}10^{-4}\;&\;1.66{\times}10^{-5}M$, respectively and those of methylated aminophenolates, 2a & 4a were 4-10 times greater than nonmethylated substrates, 1a & 3a.

Design and Manufacture of a Device for the Recognition of Long Vowels (장모음 인식장치 설계 제작)

  • 구용회
    • Journal of the Korean Institute of Telematics and Electronics T
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    • v.35T no.3
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    • pp.9-14
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    • 1998
  • The speech recognition on long vowels are carried out by electric circuits. A level compressor is able to transform the wave of voice to serial pulses. The obtained pulses have informations to distinguish the vowels. The sampling of the pulses is carried out by the register which picks up a series of serial signals in a pitch of a vowel as an unit. The timing control pulses such as sampling pulses are generated by using peak pulses in the speech wave. The parallel data in the register assign the phonetic symbol by means of the decision making circuit which carries out the IF-THEN rule.

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Petrology of Puu Oo lavas from the Big Island, Hawaii (하와이, 빅 아일랜드의 푸우오오 용암에 대한 암석학적 연구)

  • Kwon, Suk-Bom;Jang, Yun-Deuk;Park, Byeong-Jun;Kim, Yeong-Kyoo;Kim, Jung-Jin
    • The Journal of the Petrological Society of Korea
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    • v.16 no.4
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    • pp.217-232
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    • 2007
  • The Puu Oo eruption in Hawaii since 1983 is one of the largest eruptions on Hawaii's volcanic history with prominent compositional variation ($5.6{\sim}10.1wt.%$ in MgO content). Although intense researches of Hawaiian eruption have been conducted for recent years, there is no up-to-date study on Puu Oo lavas that is erupting hot lavas today. in oder to obtain basic information on the geological characteristics of the eruption including any noticeable change in its petrological trend and magma dynamics, we applied several geological approaches such as field survey, systematic sampling, petrography, mineralogy, and geochemistry. Clinopyroxene and Plagioclase phenocrysts are rarely observed on the thin section, however Olivine crysts are much more obvious in the study area. It indicates that Puu Oo is early stage of magma differentiation. Variation diagram of whole rock composition shows that the elements such as $TiO_2,\;Al_2O_3,\;SiO_2$ and $Na_2O$ decrease with increasing MgO. In the trace element Sr, Y Zr and V versus $K_2O$, P18, P19 samples are plotted in primitive area. Variations of the Ni contents during $2003{\sim}2006$ may suggest a sudden change in magma composition probably caused by new magma injection.

Seroprevalence of Toxoplasma gondii among School Children in Pyin Oo Lwin and Naung Cho, Upper Myanmar

  • Thai, Thi Lam;Jun, Hojong;Park, Seo-Hye;Le, Huong Giang;Lee, Jinyoung;Ahn, Seong Kyu;Kang, Jung-Mi;Myint, Moe Kyaw;Lin, Khin;Sohn, Woon-Mok;Nam, Ho-Woo;Na, Byoung-Kuk;Kim, Tong-Soo
    • Parasites, Hosts and Diseases
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    • v.57 no.3
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    • pp.303-308
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    • 2019
  • Toxoplasma gondii is an apicomplexan parasite that can cause toxoplasmosis in a wide range of warm-blooded animals including humans. In this study, we analyzed seroprevalence of T. gondii among 467 school children living in the rural areas of Pyin Oo Lwin and Naung Cho, Myanmar. The overall seroprevalence of T. gondii among school children was 23.5%; 22.5% of children were positive for T. gondii IgG, 0.4% of children were positive for T. gondii IgM, and 0.6% of children were positive for both T. gondii IgG and IgM. Geographical factors did not significantly affect the seroprevalence frequency between Pyin Oo Lwin and Naung Cho, Myanmar. No significant difference was found between males (22.2%) and females (25.0%). The overall seroprevalence among school children differed by ages (10 years old [13.6%], 11-12 years old [19.8%], 13-14 years old [24.6%], and 15-16 years old [28.0%]), however, the result was not significant. Polymerase chain reaction analysis for T. gondii B1 gene for IgG-positive and IgM-positive blood samples were negative, indicating no direct evidence of active infection. These results collectively suggest that T. gondii infection among school children in Myanmar was relatively high. Integrated and improved strategies including reinforced education on toxoplasmosis should be implemented to prevent and control T. gondii infection among school children in Myanmar.

Object Oriented Real Time Distributed Programming and Time-triggered Message-triggered Object(TMO) Scheme

  • Kim, Gwang-Jun;Ra, Sang-Dong;Bae, Chul-Soo
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.27 no.10A
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    • pp.990-999
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    • 2002
  • The object-oriented(OO) distributed real-time(RT) programming movement started in 1990's and is growing rapidly at this turn of the century. Distributed real-time simulation is a field in its infancy but it is bounded to receive steadily growing recognition for its importance and wide applicability. The scheme is called the distributed time-triggered simulation scheme which is conceptually simple and easy to use but widely applicable. A new generation object oriented(OO) RT programming scheme is called the time-triggered message triggered object(TMO) programming scheme and it is used to make specific illustrations of the issues. The TMO structuring scheme is a general-style components structuring scheme and supports design of all types of component including hard real time objects and non real time objects within one general structure.

(Object-Oriented Federate Modeling and Implementation using HLA Interface Specification 1.3) (HLA Interface Specification 1.3를 이용한 OO기반의 페더레이트 모델링 및 구현)

  • Choi, Woong-Chul;Yu, Ki-Hun
    • Journal of the military operations research society of Korea
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    • v.35 no.1
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    • pp.95-103
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    • 2009
  • HLA is the IEEE 1516 standard for the interoperation among heterogeneous simulations and RTI is a technology which provides a lower infrastructure service to interoperation. In this paper, we propose a Object-Oriented federate model architecture to enhance code reusability. It improves an efficiency of the system development process, and results in development time reduction and cost saving. It also is verified its practical effect through acting HLA certification on an software developed proposed architecture.

The Lower Part Landsliding of Embankment Dam According to a Heavy Rainfall and the Reinforced Design for Their Protection (필(흙)댐체의 하부 성토법면의 붕괴에 따른 안정성 확보에 대하여)

  • Hwang, Seong-Chun;Oh, Byung-Hyun
    • Proceedings of the Korean Geotechical Society Conference
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    • 2006.10a
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    • pp.23-34
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    • 2006
  • In a oo dam at oo city of Gyeongbuk, severe damages have been occurred on lower part of dam due to heavy rainfall for several years. This caused significant impediment for maintaining its original function. This is considered as an excellent case for overall improvement of stability of dam system through successful investigation and construction work. This paper present comprehensive specifications that are generalized and used for securing stability of dams by quoting this example.

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