• Title/Summary/Keyword: ramie

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A Study on the Design of Gisaeng Costume in Early-Middle Goryeo Dynasty (고려 초중기 기녀의 고증복식 캐릭터 연구)

  • Choi, Hae-Yool
    • Journal of the Korean Society of Costume
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    • v.58 no.7
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    • pp.151-163
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    • 2008
  • This study was undertaken to design Ginyeo's character and costume in the early-middle Goryeo Dynasty which had a few relics, and to make practical cultural contents. The famous Goryeo Ginyeos who had real names are costume characters. Goryeo women dressed in delicate white ramie jarket in "Goryeo-dokyung", and the shape of Jacket can be two kinds: long-wide jacket enough to tie a belt, and long caftan cover the knee. Goryeo women enjoyed wide yellow skirt, but Ginyeo in "Dongguk-isanggutjip" put on pink, flower, pomegranate, red skirt for high class ladies. In the case of Mong-su(a head cloth with black gauze train), it is thought that Ginyeo fold up train like lower class or just hang down like ordinary women, because of their status. As underwear, a ramie jacket and wide underpants were set up. It is needed that many Golden bells and jade trinkets must be attached to Goryeo Ginyeo's waist to stress their characteristics. Ginyeo's hair style can be designed so that a bunch of right hair was dropped down and the rest hair was rolled on reft shoulder. To design a Ginyeo's costume chatacter of the early-middle Goryeo, the richness of wide skirt, delicacy of white ramie, a great deal of trinkets must be emphasized correctly as a characteristic of Goryeo women's costume in that period.

Ramie Leaf Extracts Suppresses Adipogenic Differentiation in 3T3-L1 Cells and Pig Preadipocytes

  • Lee, Joomin;Kim, Ah-Ra;Lee, Jae-Joon
    • Asian-Australasian Journal of Animal Sciences
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    • v.29 no.9
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    • pp.1338-1344
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    • 2016
  • The present study was carried out to evaluate the anti-obesity effect of different concentrations of extracts of hot air-dried ramie leaf (HR) and freeze-dried ramie leaf (FR) in 3T3-L1 cells and pig preadipocytes. To analyze the effect on cell proliferation, cells were treated with $25{\mu}g/mL$ or $100{\mu}g/mL$ HR or FR extract for 2 days. Cell differentiation was evaluated by measuring glycerol-3-phosphate dehydrogenase and lipoprotein lipase (LPL) activities and intracellular triglyceride content. Treatment with either HR or FR extracts inhibited the proliferation of 3T3-L1 cells and pig preadipocytes in a dose-dependent manner. HR extract treatment inhibited the differentiation of both cell types more effectively than FR treatment. The extent of triglyceride accumulation decreased significantly in both cells following either HR or FR treatment. Furthermore, LPL activity significantly decreased after treatment with HR or FR extract. These results indicated that HR and FR extracts may inhibit proliferation and differentiation of 3T3-L1 cells and pig preadipocytes. Further studies are needed to explore the anti-obesity effect of HR and FR extracts.

The study on the yarn & weaving characteristics of Korean traditional plain weave - Focused from the Sang-go(上古) period to the Joseon Dynasty(朝鮮王朝) - (한국 전통 평직물의 실과 조직의 특징에 관한 연구 - 상고시대부터 조선시대까지를 중심으로 -)

  • Choi, Seungyeun
    • The Research Journal of the Costume Culture
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    • v.21 no.1
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    • pp.1-16
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    • 2013
  • This study analyzed the characteristics of Korean traditional plain weave excavated from Sang-go period to Joseon Dynasty. To do this, this study classified the Korean traditional plain weave into fiber types(cotton, hemp & ramie, plain weaved silk), analyzed and compared the thickness, twist type of yarns and density by times. First, in characteristics of cotton, the average and maximum density of Joseon Dynasty were higher than those of Goryeo, twist type was mainly s-twist and the density of warp was higher than that of weft. Second, the maximum density of hemp & ramie was found in era of Three Kingdoms of Korea. In common characteristics of hemp & ramie, twist type was mainly s-twist(sometimes non-twist) to the Three Kingdoms of Korea and was changed into non-twist from the Goryeo. The density of warp was higher than that of weft in common. Generally, the average density of ramie was higher than that of hemp. Third, in the characteristics of plain weaved silk, twist type was mainly non-twist(sometimes s and z-twist) from Sang-go period to Joseon Dynasty. Warp-faced ribbed tabby was excavated in Goryeo, the average density of warp-faced ribbed tabby was higher than that of other fiber types plain weave. Generally, in all fiber types, the density of warp was higher than that of weft.

Sensory Images and Preferences of Linen and Ramie Fabrics for Summer Shirts (여름철 셔츠용 마섬유 소재의 감각이미지와 선호도)

  • Na, Mihee;Kim, Heesook;Choi, Jongmyoung
    • Journal of the Korean Home Economics Association
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    • v.51 no.2
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    • pp.161-171
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    • 2013
  • The purpose of this research was to examine the subjective evaluation of sensory images and preferences according to the mechanical properties of linen and ramie fabrics for summer shirts. 54 male and female teachers evaluated the sensory images and preferences of 6 specimens of linen and ramie fabrics sold on the market. For statistical analysis, factor analysis, Mann-Whitney and Kruskal-Wallis test, Pearson correlation, and regression were used. The results were as follows: The sensory images of shirt fabrics were classified into 5 factors: 'smoothness', 'stiffness', 'elasticity', 'dry/coolness', and 'wetness'. There were partially significant differences by the gender and age in the sensory images for the shirt fabrics. Females were more sensitive than males for the 'stiffness', 'elasticity', and 'wetness' factor and the evaluators in their 20's felt fabrics were stiffer. The sensory images showed many correlations with the mechanical properties of fabric mostly. The preferences of tactile and purchase were no different according to the gender and age. They preferred a thin and soft sensory image as like ramie/cotton blended fabric and bamboo fabric for summer shirts. The significant sensory image factors affecting tactile preference were 'smoothness', 'dry/coolness', and 'elasticity', and the ones affecting purchase preference were 'smoothness', 'stiffness', 'dry/coolness', and 'elasticity'. W, WT, MMD, and G properties of the mechanical properties of fabrics affected the tactile preference for summer shirt fabrics.

The Study on the Hand of Bast Blended Fabrics -The development of subjective evaluation method and fabrics' preference- (마직물의 태에 관한 연구;주관적 평가척도개발과 선호도를 중심으로)

  • 박성혜;유효선
    • Journal of the Korean Society of Clothing and Textiles
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    • v.23 no.8
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    • pp.1194-1205
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    • 1999
  • The hand characteristics of bast blended fabrics are studied by a subective evaluation method. To offer basic data for development of better hand of bast fiber fabrics customer's hand preference surveys are executed as well. IN this study 51 varieties of linen or ramie blended fabrics of various blending ratio density and thickness and Hansan ramie Chinese ramie and a Shingosen fabics of various blending ratio density and thickness and Hansan ramie Chinese ramie and a Shingosen farbic and used. To evaluate the hand of the fabrics subjectively nine ranks' semantic differential scale questions of 26 items are developed with adjective pairs. A seven ranks' scale is also developed to evaluate hand preferences in blouse and jacket cloths, Through subjective evaluation of bast blended fabrics the 26 items could be classified into seven kinds of hand classification : surface characteristics extensibility/drapability felling of heaviness stiffness resilience moisture property and feeling of density. The cumulative variance value explained by these seven factors is 67.18% According to the results of fabrics' preference by age groups no significant differences are found in blouse cloths but a few significant differences are found among different age groups in jacket clothes. However experts and non-experts show considerable differences on preference It can be concluded that fabrics' preference I more dependent on professionality than on age. In the survey experts. However more drapery cloths are preferred by experts and cloths with drier touch are preferred by non-experts. Experts prefer rougher less even less winding heavier and sparser fabrics but non-experts prefer rougher lighter thinner and stiffer fabrics as jacket cloths.

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Alkali-Swollen Morphology of Native Cellulose Fibers

  • Kim, Nam-Hun
    • Journal of the Korean Wood Science and Technology
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    • v.35 no.2
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    • pp.16-22
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    • 2007
  • The behavior of ramie fibers and some wood elements in the early stage of alkali swelling was examined. When the fibers were treated with alkali solution, they significantly shrank in length and swelled in wall thickness. Ramie fibers showed a shrinkage averaging 23% in length and a swelling averaging 92% in width in 100 seconds treating time. Dimensional changes showed different fashion in each element of woods. The tracheids of latewood especially in Pinus densiflora and Larix kaempferi woods swelled intensively and showed balloon swelling, but in the case of Cryptomeria japonica, it was hardly observed. The swelling morphology of libriform fibers was similar to that of tracheids. The walls of vessel elements and parenchyma cells also swelled considerably in thickness but, no balloon swelling was found in both elements. The differences of swelling in different elements can be interpreted in terms of the differences of organization and/or chemical components of the cell walls.

Interfacial Evaluation of Kenaf and Ramie Fibers/Epoxy Composites using Micromechanical Technique (Micromechanical 시험법을 이용한 Kenaf와 Ramie 섬유강화 에폭시 복합재료의 계면 물성 평가)

  • Son Tran Quang;Park Joung-Man;Hwang Byung-Sun
    • Proceedings of the Korean Society For Composite Materials Conference
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    • 2004.10a
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    • pp.92-95
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    • 2004
  • Interfacial shear strength (IFSS) of environmentally- friend natural fiber reinforced polymer composites playa very important role in controlling the overall mechanical properties. In this work the IFSS of Ramie and Kenaf fibers/epoxy systems were evaluated using the combination of micromechanical technique, microdroplet test to find out an optimal condition in accordance with final purpose by comparing to each other. Clamping effect on fiber elongation was determined as well. In addition, the mechanical properties of the natural fibers were investigated using single fiber tensile test and analyzed statistically by both uni- and bimodal Weibull distributions. Microfailure modes of different natural fiber structures were observed using optical microscope.

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The Effect of Biopolishing with Cellulase Enzyme on Ramie and Hemp Fabrics (마직물의 셀룰라이제 효소처리에 의한 유연가공효과에 관한 연구)

  • Kim, Jung-Hee;Yu, Hye-Ja
    • Fashion & Textile Research Journal
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    • v.3 no.4
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    • pp.367-372
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    • 2001
  • Five kinds of commercial ramie and hemp fabrics were treated with cellulase under different concentrations. Samples were mercerized before enzyme treatment to investigate the effect of mercerization on cellulase enzyme treatment. Physical characteristics(weight loss, tear strength retention, wrinkle recovery, drape stiffness, dyeability) of cellulase enzyme treated and untreated samples were measured and compared. X-ray diffractions were examined to verify if there were any changes in their crystallinity of enzyme treated fabrics. Weight loss, wrinkle recovery and degree of crystallinity increased as the concentration of cellulase enzyme increased. In the meanwhile, tear strength retention and drape stiffness and dyeability decreased. Enzyme activity was more effective on mercerized samples. Particularly, there was distinct tendency to increase weight loss and flexibility.

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Effect of Growth Regulator and Sterilization Method on Multiple Shoot Induction through Sucker and Stem Node Culture in Ramie(Boehmeria nivea Hoooker et Arnot) (모시풀 조직배양에서 소독방법 및 생장조절제의 Multiple Shoot 유기 효과)

  • 박홍재;문윤호;오용비
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.41 no.6
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    • pp.704-709
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    • 1996
  • This experiment was carried out to establish the system of mass propagation through tissue culture using sucker and stem in Ramie. The sterilization for tissue culture of Ramie was the better treatment of 2% NaClO for 20 minute into ultrasonic cleaner than the others, and so rate of contamination was 3.3%, and it was able to produce 96% healthy plant. The effect of growth regulator was superior to mixed treatment of 0.02mg/$\ell$ NAA, 1.5mg/$\ell$ BA, 0.lmgmg/$\ell$ GA$_3$, which it was not formed callus and but produced 96% healthy plant. The effect of propagation was higher in culturing of the stem node than the sucker in cultural part, local variety than improved ones. The effect of acclimatization was superior to pretreatment of 30 minute after soaking in 100ppm NAA, transplanting on bed soil which mixed to ratio of vermiculite : soil : sand =1 : 2 : 1, the transplanted plants were grown all normal.

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