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Determination of Optimum Sterilization Condition for the Production of Retorted Kimchi Soup (레토르트 처리한 김치찌개 제품의 최적 살균조건 결정)

  • Cheon, Hee Soon;Park, Eun-Ji;Cho, Won-Il;Hwang, Keum Taek;Chung, Myong-Soo;Choi, Jun-Bong
    • Culinary science and hospitality research
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    • v.20 no.6
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    • pp.254-261
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    • 2014
  • In order to optimize process conditions for manufacturing retorted Kimchi soup by using stationary and rotary types systems were applied for sterilization process. For investigating the differences in heat penetration characteristics during sterilization, Kimchi soup was packed into retort pouches, and sterility ($F_0$ value) at various positions in the product was measured through a wireless $F_0$ sensor. Heat penetration characteristics were significantly affected by sterilization method. From data analysis, optimum ranges of sterilization temperature and time was determined to be $120.7^{\circ}C$, 13 min for rotary type and $120.7^{\circ}C$, 20 min for stationary type. At those conditions, they had similar sterility ($F_0$ value). The results showed that rotation provides faster heat penetration and more uniform sterility than various positions of the product. These results derived a lot of advantages from related industry. For instance, many of the more viscous semi-liquid products and heat sensitive natural products could be sterilized in the lager pouch sizes without overcooking or scorching. Hence, current study suggests that rotary type retort would make it possible not only to reduce processing times as 35~45%, but also to improve the quality of product as overall taste, flavor, color, and texture with significant difference (p<0.05).

Antioxidant effect of garlic and aged black garlic in animal model of type 2 diabetes mellitus

  • Lee, Young-Min;Gweon, Oh-Cheon;Seo, Yeong-Ju;Im, Ji-Eun;Kang, Min-Jung;Kim, Myo-Jeong;Kim, Jung-In
    • Nutrition Research and Practice
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    • v.3 no.2
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    • pp.156-161
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    • 2009
  • Hyperglycemia in the diabetic state increases oxidative stress and antioxidant therapy can be strongly correlated with decreased risks for diabetic complications. The purpose of this study is to determine antioxidant effect of garlic and aged black garlic in animal model of type 2 diabetes. The antioxidant activity of garlic and aged black garlic was measured as the activity in scavenging free radicals by the trolox equivalent antioxidant capacity (TEAC) assay. Three week-old db/db mice were fed AIN-93G diet or diet containing 5% freeze-dried garlic or aged black garlic for 7 weeks after 1 week of adaptation. Hepatic levels of lipid peroxides and activities of antioxidant enzymes were measured. TEAC values of garlic and aged black garlic were $13.3{\pm}0.5$ and $59.2{\pm}0.8{\mu}mol/g$ wet weight, respectively. Consumption of aged black garlic significantly decreased hepatic thiobarbituric acid reactive substances (TBARS) level compared with the garlic group which showed lower TBARS level than control group (p<0.05). Activities of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) of garlic and aged black garlic group were significantly elevated compared to the control group. Catalase (CAT) activity of aged black garlic group was increased compared with the control group. These results show that aged black garlic exerts stronger antioxidant activity than garlic in vitro and in vivo, suggesting garlic and aged black garlic, to a greater extent, could be useful in preventing diabetic complications.

Design of High Frequency Resonant Inverter Type X-Ray Generator (고주파 공진형 인버터식 X선 발생장치의 설계)

  • Lee, Seong-Gil;Park, Su-Gang;Baek, Hyeong-Rae;Jeong, Su-Bok
    • The Transactions of the Korean Institute of Electrical Engineers B
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    • v.51 no.1
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    • pp.34-39
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    • 2002
  • Most X-ray generator had been used do rectifier type transformer high tension generator which is supplied in a clinical diagnosis. But it is difficult to miniaturize and become light weight. Also, because the ripple rate of tube voltage is high, X-ray generating efficiency is very low. Therefore, it is supplied gradually from abroad being developed high tension generator for inverter type X-ray generator which use semi-conductor switching element for electric power that have high speed switching ability to solved these problem. But, semi-conductor element of big capacity are used by X-ray tube's big consumption power and diffusion is difficult in the small size hospital because production cost is ascending by doing digital control through DSP and product price becomes expensive. Therefore, in this paper, design and manufactured CR type voltage divider for feedback control of tube voltage of high frequency resonance type inverter and high tension transformer for high frequency to apply economical diffusion type X-ray generator which have wide output voltage and load extent. It is Proved do X-ray generator and stability of X-ray tube's output characteristics through an experiment.

RESEARCH PAPERS : A STUDY ON REMOVAL OF PB2+ ION USING PELLET - TYPE RED MUD ADSORBENTS

  • Kim, Jung-Sik;Han, Sang-Won;Hwang, In-Gook;Bae, Jae-Heum;Shuzo Tokunaga
    • Environmental Engineering Research
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    • v.7 no.1
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    • pp.33-37
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    • 2002
  • The two kinds of pellet-type red-mud adsorbents (bead-type, crushed-type) were from red mud, which is generated as a by-product during the production of aluminum hydroxide from bauxite ore. The adsorption experiments of Pb^{2+} ion in the aqueous solution by these red-mud adsorbents were studied with a continuous adsorption ccolumn. As a result, the crushed-type adsorbent shows better performance in adsorption of Pb^{2+} than the bead-type adsorbent between the two types of the pellet-type adsorbents. The continusous adsorption experiment shows that the pellet-type adsorbents made from red mud have good performance for removal of Pd^{2+}. The breakthrough curves of the red-mud adsorbents were compared with that of activated carbon.

EFFECT OF PLASTICIZERS ON THE PROPERTIES OF COSMETIC MASK USING POLYVINYL ALCOHOL(PVA) AS A FILM FORMER

  • Park, J.H.;Kyong, K.Y.;Kwak, T.J.;Yoon, M.S.;Kang, S.H.
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.25 no.4 s.34
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    • pp.51-55
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    • 1999
  • Cosmetic mask is one of the traditional cosmetic product and is used to keep skin healthy and beautiful through moisturizing effect, cleansing effect and acceleration effect on microcirculation. There are several types of cosmetic mask such as peel-off type, tissue-off type, wash-off type and cotton sheet type immersed in cosmetic water. It is important for cosmetic formulators to develop an adequate type of cosmetic mask that meets the needs of the target consumers because each type of cosmetic mask has benefits and problems in its usage and efficacy. Polyvinyl alcohol (PVA) is widely used as an active ingredient of peel-off type cosmetic mask and the physical property of the PVA film changes with the usage of other ingredients. We studied the change of physical properties of the film containing PVA by formulating peel-off type cosmetic mask with the variation of humectants. Methylguceth-20 and glycereth-26 reduce the interaction between skin surface and PVA film without serious weakening of tensile strength and they can alleviate irritation. Glycerin, urea and betaine help PVA film soften and they also have excellent efficacy as humectants.

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Store Evaluative Criteria, Clothing Evaluative Criteria, and Purchasing Behavior for Casual Wear according to Shopping Orientation of Chinese College Students (중국 대학생의 의복 쇼핑 성향에 따른 점포 평가 기준, 의복 평가 기준 및 캐쥬얼 의류 구매 행동)

  • Chang, Soo-Kyung;Ok, Keum-Hee
    • The Research Journal of the Costume Culture
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    • v.15 no.1 s.66
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    • pp.98-112
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    • 2007
  • The purpose of this study was to identify the differences in store evaluative criteria, clothing evaluative criteria, and purchasing behavior for casual wear among groups with different types of shopping orientation. Data were collected from 175 female and 169 male college students living in Beijing, and analysed by factor analysis, cluster analysis, ANDVA, Duncan test, crosstabulation analysis, and frequency analysis. Chinese college students were classified into four groups by their shopping orientations; fashion-pursuit type, individuality-pursuit type, practical type, and apathetic type. Significant differences were found in store evaluative criteria, clothing evaluative criteria, purchasing behaviors, and demographic characteristics. The fashion-pursuit type and individuality-pursuit type were more influenced by store location and service, product attributes, and fashion. They purchased more frequently and spent more money. Esthetic clothing evaluative criteria were considered more important by the individuality-pursuit type than the others, and symbolic clothing evaluative criteria by the fashion-pursuit type.

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A Study on the Forming of Automotive Front Side Member Part with Ultra High Strength Steel of DP980 (980MPa급 초고장력 강판의 자동차 프런트 사이드 멤버 부품 성형에 관한 연구)

  • Cha, C.H.;Lee, S.K.;Ko, D.C.;Kim, B.M.
    • Transactions of Materials Processing
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    • v.18 no.1
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    • pp.39-44
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    • 2009
  • This paper is concerned with forming technology of an automotive front side member part with ultra high strength steel sheet of DP980. The forming technology considered in this paper is the draw & form type, which installs the upper pad and lower pad to produce the complicated shape of ultra high strength steel sheet. In order to produce sound product, comparison between form type and draw & form type and between draw type and draw & form type are investigated by FE-analysis. FE-analysis is carried out with commercial sheet metal forming analysis S/W, DYNAFORM. It was shown from FE-analysis that the draw & form type satisfied the required specifications such as the dimensional accuracy and soundness of automotive front side member part. The effectiveness of the analytical result was verified by the experiment. From this investigation, the draw & form type is proved to be able to supply useful forming technology in forming ultra high strength steel.

A Study on the Expression Types of Cable Knitting (케이블 니팅의 표현 유형에 관한 연구)

  • Kim, Seongdal
    • Journal of Fashion Business
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    • v.22 no.5
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    • pp.41-51
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    • 2018
  • Cable knitting, one of the most representative structures of knitwear has been applied to a number of knit items in a variety of expressions every season. The purpose of this study is to analyze the various types of expressions applied with cable knitting techniques to make the necessary data for planning cable knit designs. The types of cable knitting were devide into two categories which are based on the cable knitting pattern and structure. Based on the pattern, firstly, formal type is a reproduction of traditional Aran knit style and is usually applied to a practical and comfortable timeless knit product. Secondly, informal type is irregular applied to patterns and directions to highlight the dynamics of cable patterns. Thirdly, contrasting type emphasizes the cable pattern by contrasting the color of the part of the cable pattern. Fourthly, figurative type is the expression of the conceptual motifs and using the cable knit pattern itself as motif. Based on the structure, firstly, open type is to emphasize patterns and spaces by utilizing open spaces created by the intersection of cabling stitches. Secondly, decorative type is to enhance the ornamental effect of cable knitting by various methods and other subsidiary materials. Thirdly, avant-garde type is applied in various ways with exaggerated volumes or textures using the three-dimensional effects of cable knitting. Through this study, we look forward to the possibility of expressing the unique aesthetic characteristics of each of the various knitting techniques.

EFFECT OF PLASTICIZERS ON THE PROPERTIES OF COSMETIC MASK USING POLYVINYL ALCOHOL (PVA) AS A FILM FORMER

  • Park, J.H.;K.Y.Kyong;Kwak, T.J.;Yoon, M.S.;Kang, S.H.
    • Proceedings of the SCSK Conference
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    • 1999.10a
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    • pp.51-55
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    • 1999
  • Cosmetic mask is one of the traditional cosmetic product and is used to keep skin healthy and beautiful through moisturizing effect, cleansing effect and acceleration effect on microcirculation. There are several types of cosmetic mask such as peel-off type, tissue-off type, wash-off type and cotton sheet type immersed in cosmetic water. It is important for cosmetic formulators to develop an adequate type of cosmetic mask that meets the needs of the target consumers because each type of cosmetic mask has benefits and problems in its usage and efficacy. Polyvinyl alcohol (PVA) is widely used as an active ingredient of peel-off type cosmetic mask and the physical property of the PVA film changes with the usage of other ingredients. We studied the change of physical properties of the film containing PVA by formulating peel-off type cosmetic mask with the variation of humectants. Methylguceth-20 and glycereth-26 reduce the interaction between skin surface and PVA film without serious weakening of tensile strength and they can alleviate irritation. Glycerin, urea and betaine help PVA film soften and they also have excellent efficacy as humectants.

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The Customized Modern Fashion Product Design (소비자 중심의 현대 패션제품 디자인 개발에 대한 연구)

  • Ko, Hyun-Zin
    • Journal of the Korean Society of Costume
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    • v.58 no.3
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    • pp.93-104
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    • 2008
  • The purposes of this study are to examine the concept of customized fashion product design as a new industrial paradigm reflecting individual customers' needs in modern society, and to grasp its sociocultural meaning. It is thought that this study will be helpful to investigate the cultural thinking of contemporaries represented through the consumption. For this, the documentary study and practical case study have been executed. As modern fashion business becomes more consumer-oriented due to the industrial paradigm shift, there appeared the prosumer as both consumer and producer. The type of customized fashion product design can be classified as 1) the traditional custom-made design in haute couture and classic tailoring 2) the tailor-made design in the prestige line of ready to wear 3) DIY custom design 4) mass customized design of customer involvement. The traditional custom-made design in haute couture and classic tailoring and the tailor-made design in the prestige line of ready to wear is to provide the distinguished product which has the best quality as well as the excellent beauty for VIP consumer. The DIY custom design is for creative consumer searching for the fun of craftsmanship to take part in producing personally. The mass customized design of customer involvement is to personalize product by selecting design module in mass production. Ultimately the sociocultural meaning of the customized fashion product design can be interpreted as (1)endowing special meaning to personal identity (2)distinguishing the privilege by rarefied authenticity (3)returning to analog sensibility 4)pursuing creative fun 5)thinking in a user-centered way.