• Title/Summary/Keyword: Black color

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Variation of Anthocyanins and Isoflavones between Yellow-Cotyledon and Green-Cotyledon Seeds of Black Soybean

  • Kim, Sun-Lim;Kim, Hyun-Bok;Chi, Hee-Youn;Park, Nam-Kyu;Son, Jong-Rok;Yun, Hong-Tae;Kim, Si-Ju
    • Food Science and Biotechnology
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    • v.14 no.6
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    • pp.778-782
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    • 2005
  • Analysis of black soybeans [Glycine max (L.) Merr.; 59 Korean varieties] revealed that 100-seed weights of green cotyledon seeds (33.5 g, n=31) were higher than those of yellow ones (28.9 g, n=28). Contents of delphinidin-3-glucoside (D3G), cyanidin-3-glucoside (C3G), petunidin-3-glucoside (P3G), and total anthocyanins in seed coats of black soybeans were 0.03-4.15, 0.74-18.36, 0.02-1.60, and 0.87-23.52 mg/g, respectively, among which most prominent anthocyanin was C3G (80.9% of total content), followed by D3G (13.6%) and P3G (5.5%). No significant differences were observed in color parameters $a^*$ and $b^*$ between black soybeans with yellow cotyledon (BYC) and green cotyledon (BGC). Total isoflavone content of BGC was higher than that of BYC, and negative correlation was found between total anthocyanin and isoflavone contents.

Mn-doping Effect on the Blackness and NIR Reflectance of Fe2O3 Cool Pigments (Mn 도핑이 Fe2O3 쿨 안료의 흑색도 및 NIR 반사율에 미치는 영향)

  • Hwang, Jin Soo;Jung, Kyeong Youl
    • Journal of Powder Materials
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    • v.28 no.1
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    • pp.38-43
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    • 2021
  • A high NIR-reflective black pigment is developed by Mn doping of Fe2O3. The pigment powders are prepared by spray pyrolysis, and the effect of the Mn concentration on the blackness and optical properties is investigated. Mn doping into the crystal lattice of α-Fe2O3 is found to effectively change the powder color from red to black, lowering the NIR reflectance compared to that of pure Fe2O3. The pigment doped with 10% Mn, i.e., Fe1.8Mn0.2O3, exhibits a black color with an optical bandgap of 1.3 eV and a Chroma value of 1.14. The NIR reflectance of the prepared Fe1.8Mn0.2O3 black pigment is 2.2 times higher than that of commercially available carbon black, and this material is proven to effectively work as a cool pigment in a temperature rise experiment under near-infrared illumination.

The Research on the Differences & Changes in Hair Color Before v.s. After shampoo and Dry on Different Heat Processes When Acid Hair Color Dyeing (산성컬러 염색제로 모발 염색 시 열처리에 따른 세척 전과 세척 건조 후 색차 및 색변화에 관한 연구)

  • An, Hyeon-Kyeong
    • Journal of Fashion Business
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    • v.16 no.1
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    • pp.69-82
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    • 2012
  • This thesis aimed to reduce the differences of hair color when hair coloring, so it researched the differences & changes in hair color before shampoo v.s. after shampoo and dry on different heat processes when acid hair color dyeing. Five hair color dyes (Y, R, B, G, Br) manufactured by two different corporations were used. The acid hair color dyes were tinted on black and bleached hair pieces subjected to 3 different heat process; 1. Normal Temperature($25^{\circ}C$, 30min.) / 2. Heating($40^{\circ}C$, 15min.)+Normal Temperature($25^{\circ}C$, 15min.) / 3. Heating($40^{\circ}C$, 30min.). Color numbers were divided by NCS value, chroma, and hue. Statistical averages were derived and t-test was conducted using SPSS V12. Hair color differences and changes were drawn on an NCS chart using Photo Shop PS. The conclu is; If acid hair colorings are separated by a heating process, hair value & chroma change before shampoo vs. after shampoo & dry regardless of the color of hair and the heat process. Hue is not changed or shifted counter clockwise NCS color circle, but some exceptions, and it's the same when the total heat process results are combined. Black hair's value shifted downward and chroma left, and hue stayed either neutral or one color or it shifted counter clockwise on NCS color circle. Bleached hair's value shifted upward and chroma right, and hue stayed one color or shifted counter clockwise, but some exceptions. And it can be shown on NCS chart.

The Types of Color Coordination and Their Characteristics In Contemporary Women′s Fashion (현대 여성 패션에 나타난 색채 코디네이션의 유형과 유형별 특성 분석)

  • Kwon Hae-Sook;Shim Eun-A
    • Journal of the Korea Fashion and Costume Design Association
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    • v.6 no.3
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    • pp.139-152
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    • 2004
  • The main objective of this research is to investigate the color coordination types and their characteristics of contemporary female fashion by reviewing 'pre-a-porter Collections' of four collections (i.e., cities) - Paris, Milan, New York, London - from the periods of 2000 S/S to 2002/3 A/W. Through the review of various books and articles written on the subject, the color coordination types and their characteristics were categorized and defined. The data was collected by reviewing 'pre-a-porter Collections' magazine and total 4,269 observations were made. These in turn were categorized into eight color coordination and three color tone categories through the content analysis. Frequency analysis was used to analyse the data. The findings are as follows; First of all, there were 8 observable color coordination categories in contemporary women's fashion. The most used color coordination was chromatic & achromatic color coordination. It was followed by chromatic identical, and then by achromatic identical color coordination. These three color coordinations were the majority, comprizing 73.4% of the total. The rest were in the order of complementary, gradation, similarity, accent. And the most used tone type was contrasting tone and followed by similar and identical. Next, the analysis of each coordination categories shows that; The chromatic identical coordination focused on presenting its own unity or break it using the contrasting color tone. Meanwhile, the achromatic identical coordination project a clean and strong feeling through black and white combination or a subtle feeling through the different material combination. The chromatic & achromatic coordination showed strong colors and contrasting tones of clear and bright colors. Meanwhile, the characteristics of complementary coordinations are that these coordinations seem to free the colors and show the subtle changes in tones very clearly. The gradation coordination was used to create a cool and lively feeling. Next, the similarity coordination seems to create feminine and warm feeling by taking advantage of similar color feelings, often through the use of warm to warm, cool to cool color matching. Lastly, the accent coordination, through the use of contrasting tones emphasizes the differences in colors, while separation coordination mostly uses black and white on various color coordinations.

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A STUDY ON THE ISOLATION OF BLACK-PIGMENTED BACTEROIDES IN THE NECROTIC PULP (괴사치수에서의 Black-pigmented Bacteroides 균주분리에 관한 연구)

  • Choi, Han-Seuk;Yoon, Soo-Han;Chung, Jong-Pyoung
    • Restorative Dentistry and Endodontics
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    • v.11 no.1
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    • pp.97-103
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    • 1985
  • The purpose of this study was to compare Black-pigmented Bacteroides isolated from necrotic pulp with the presence or absence of eight symptoms associated with pulpal necrosis and to identify the proportion of each Black-pigmented Bacteroides species. The canal contents of fourteen traumatically and cariously necrotized teeth were sampled with a special technique and cultured aerobically and anaerobically for growth in blood agar plate and for Black-pigmented Bacteroides on selective blood agar plate. Each Black-pigmented Bacteroides species were identified by Gram's stain, hemolysis reaction, colony color and morphology and biochemical tests. The results were as follows; 1. 60.9 percent of the bacteria isolated were anaerobic and 39.1 percent were aerobic. 2. Four Black-pigmented Bacteroides species were isolated; B. loescheii (74.1%), B. denticola (11.1%), B. intermedius (7.4%) and B. gingivalis (7.4%). 3. Black-pigmented Bacteroides was found to be significantly related to sinus tract formation and exudate.

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Anthocyanin-Contents and Pigment Stability of Black Soybean by Different Extract Condition and Stabilizer (추출조건과 첨가물에 따른 검정콩의 안토시아닌 함량과 색소 안정성)

  • Lee, Hye-Jeong;Choi, Eun-Young;Sim, Young-Ja;Kim, Ok-Sun;Yoo, Ho-Jung;Do, Wan-Nyeo;Kim, Yong-Ho
    • The Korean Journal of Food And Nutrition
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    • v.22 no.1
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    • pp.150-157
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    • 2009
  • The purpose of this study was to analyze the anthocyanin contents of black soybean crude extracts derived using a countercurrent system and to compare the effects of stabilizers(${\beta}-cyclodextrin$, maltodextrin) and sugars(sucrose, maltose) on the color deterioration of the anthocyanin. When the extraction process was kept at 100$^{\circ}C$ for 120$\sim$180 min, only C3G (cyanidin-3-glucoside) was detected in the water extract. The C3G contents in the water extracts acquired at 8$^{\circ}C$, 60$^{\circ}C$, and 80$^{\circ}C$ were 2.38 ppm, 1.73 ppm, and 1.73 ppm, respectively. Sucrose and maltose retarded color deterioration of the crude pigment extract by the countercurrent method with methanol. Finally, the additions of maltodextrin or ${\beta}-cyclodextrin$ did not retard thermal color deterioration of the black soybean crude pigment extract.

The Motive of Clothing-Wearing and Fashion Trend for Female College Students (여대생의 의복착용동기와 패션경향)

  • Ji-Hun Yu;Myung-Sook Han
    • The Research Journal of the Costume Culture
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    • v.8 no.1
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    • pp.65-76
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    • 2000
  • The purposes of this study were to claassify of clothing-wearing motives, to analyze tendency of fashion in campus, and to propose fashion merchandising plans and marketing strategies of companies for female college students. Research had been done during 1 week each on April and October in 1998 and 1999. Sixty-two students in spring semester and 54 student in fall semester were surveyed and analyzed. Their grades and majors were not considered in this study. Fashion Diary had been written by students and then their statements were analyzed by the means of the qualitative data analysis. Following conclusions were obtained from this study. 1. Clothing-wearing motives were classified with 'group depending on daily work', 'group depending on image', 'group depending on body supplement', 'group depending on weather', 'group of fashion following', 'group depending on courtesy', 'group depending on mood', and 'group of unconcerning'. 2. The fashion tendency of the students were layered look and they preferred casual styles, such as round t-shirts, jean pants, and cardigans. The color of white, black, and gray were prevalent for top wear, and the color of blue, black, beige for bottom wear in both seasons. For shoes, color of black, brown, white were popular. For bags, black, blue, and khaki color were prevailed. 3. The proposals obtained from this study are as follows : 1) Production of clothing enforced functional and practical base is wanted for 'group depending on daily work'. 2) Designs considering body parts such as hip, arm hole, shoulder, and thigh are needed. 3) Utilization of new materials such as waterproof with ventilation, opaque (means 'not see-through'), antipollution finishing process are required. 4) Simple designs of clothing which could be performed by herself with various accessories. Thermochromic materials are wanted for 'group of fashion following'. 5) Diversity of semi-suit is required for 'group depending on courtesy'.

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A Study on the Fashion Design Characteristics & Fashion Image of Gabrielle Chanel & Yohji Yamamoto (가브리엘 샤넬과 요지 야마모토의 무채색 복식에 나타난 디자인 특성과 패션 이미지 연구)

  • Ko, Soon-Young;Park, Moon-Hee
    • The Research Journal of the Costume Culture
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    • v.18 no.5
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    • pp.789-808
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    • 2010
  • The orientalism in fashion is believed to develop from the eclectic notion of oriental and occidental fashion. By studying on Gabrielle Chanel's clothing that is usually used by neutral colors and on Yohji Yamamoto's clothing that characterizes clothes in neutral colors, the purpose of this study is to seek ways for remaking Korean traditional clothing into a new modern one to gain a world reputation in terms of clothes. Therefore the study is for exploring the characteristics on the factors of fashion design such as color, line and textile materials with works of Gabrielle Chanel, a famous designer in Western world who has made a black color a popular one for people and works of Yohji Yamamoto, an well-known fashion designer of the East using neutral colors. This study analyzed, from the 2004 S/S to the 2006 F/W, the collection of works published in style.com through the works of Gabrielle Chanel, Yohji Yamamoto, and through the analysis of the visual target. A total of 527 images are used in this paper. Elements of fashion design analysis are lines, colors, and materials. The study reached the conclusion as follows after analyzing the characteristics on clothing with neutral colors of Gabrielle Chanel and Yohji Yamamoto. In case of aesthetic characteristics on the design of Gabrielle Channel, it has expression of feminist, sensual, modern and luxury. It is considered that Gabrielle Channel has a luxury image using a neutral color. Also using simple sleeveless in black and tweed structure, the garments have mixed with neutral colors. Fashion design characteristics on the design of Yohji Yamamoto classified into sensual, modern, ascetic expression. Therefore the design has a simple expression of using a black color. Yohji Yamamoto is a designer who pursues unstructured design by using various neutral colors such as black, gray and white based on the oriental sentiment.

Optimization of Recipe for Black Sesame Tuile Containing Retrograded Rice Flour using Response Surface Methodology (반응표면 분석법을 이용한 노화쌀가루첨가 흑임자 튀일 레시피의 최적화)

  • Kim, Sun-Hee;Cho, Min-Ju;Chang, Hye-Ja;Kim, Woo-Kyung;Park, Hye-Young
    • Journal of the East Asian Society of Dietary Life
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    • v.22 no.2
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    • pp.255-263
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    • 2012
  • Tuile containing retrograded rice and black sesame was developed by optimization of the mixing rate of retrograded rice and egg white using response surface methodology. Nine samples of design points were obtained according to central composite design, and the optimal mixing rate of retrograded rice flour and egg white as independent variables was calculated with the sensory score, color, and texture as response variables. Nine samples of the experimental group and no added retrograded rice flour Tuile were also compared in terms of sensory properties, color and texture. According to the results, the optimal mixing rate of black sesame Tuile was 8.6 g of retrograded rice and 33.5 g of egg white. Regression analysis of the response showed that retrograded rice flour and egg white had effect on the color and texture of black sesame Tuile, with egg white more influential rather than retrograded rice. In a comparison of quality between retrograded rice flour added Tuile and no retrograded rice flour Tuile, lightness ($p$<0.05), hardness ($p$<0.001) and fracturability ($p$<0.001) of retrograded rice flour added Tuile was better than those of the other sample, and sensory quality in terms of color ($p$<0.01), taste ($p$<0.001), texture ($p$<0.01) were more excellent as well.

The color enhancement of natural ruby produced from Mong Hsu (Mong Hsu산 천연루비의 색상 개선)

  • Park Chun-Won;Kim Pan-Chae
    • Journal of the Korean Crystal Growth and Crystal Technology
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    • v.14 no.6
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    • pp.290-297
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    • 2004
  • The color enhancement of natural ruby produced from Mong Hsu were carried out by the heat treatment using gas diffusion. The natural ruby in this paper has a colored patch of which the color ranges from blue to a color close to black. The most favorable heat treatment conditions were as follows; range of temperature $1400~1600^{\circ}C$, duration 12 hrs, $O_2$ atmosphere. The color tone of ruby obtained under the optimum conditions was overall clear red by partial removal of colored patch. From EPMA results, part of blue or black colored patch within ruby were found to occur by charge transfer between $Fe^{2+}{\;}and{\;}Ti^{4+}$ . These results are consistent with the XRF that contents of $Fe(Fe^{2+}{\;}or{\;}Fe^{3+}$) and $Ti^{4+}$ ion to cause a blue or black colored patch after heat treatment became slightly less than with non-treated ruby. The silk formed on the surface of ruby heat treated for 12 hrs at $1700^{\circ}C$ were found to be generated by re-crystallization of rutile $TiO_2$ by XPS analysis.