• The Research Journal of the Costume Culture
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• v.9 no.2
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• pp.308-318
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• 2001

The purpose of this study is to investigate the clothing interest, the preference for clothing color, in men of their 20s and 30's. The data were obtained from questionnaires completed by 546 men in their 20's and 30s. The SPSS package was used for data analysis which includs factor analysis, t-test, x²-test, Scheffe test, and Cronbach's α to measure the reliability. This study shows the following results. 1. The interest for clothing color was related to individual factors. (age, marriage status, personality). 2. men in their 20's and 30's preferred neutral color, blue, yellow. 3. Men in their 20s and 30s liked monochromatic match in clothing color. 4. The preference for clothing color were appeared to be influenced by the age, personality, skin color.

• Current Research on Agriculture and Life Sciences
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• v.18
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• pp.27-31
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• 2000

Preferences on the change of color and aroma of soybean sprout was surveyed. Negative response of 'bad' or 'very bad' on pink (72%), red (60%), and green (44%) coloring was obtained. However, yellow coloring showed about 55% of positive response of 'good' or 'very good'. Thus yellow is the only color which received highly positive response among altered-color soybean sprouts. Significantly different result was observed when various aroma was added to soybean sprout. 80% of peanut scent-added soybean sprout and 76% of melon scent-added soybean sprout received positive response of 'good' or 'very good' while only 20% of the response was negative. In conclusion, altering color to yellow and addition of peanut scent or melon scent could increase the general preference of soybean sprout.

• Journal of Embryo Transfer
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• v.33 no.3
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• pp.107-117
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• 2018

The purpose of this study is to expression pattern of melanogenesis associate genes on cultured melanocyte layer cells in Korean Brindle Cattle(Dark, Brindle and Yellow) were analyzed to evaluate the effects of sex hormones on the control of melanogenesis pathways. Korean Brindle Cattle(Dark, Brindle and Yellow) melanocyte in the skin cells was collected. after the addition of estrogen and testosterone, the culture was analyzed for expression of cell activity and melanin genes for 72 hours. For the analysis of estrogen in different coat color other than the melanogenesis-related genes it is increasingly yellow showed low expression. in particular, the cells of the brindle coat color is low active and expression of genes. However, the testosterone was low, the expression of cell activity inhibiting MMP-2. the expression of melanin genes actually showed a tendency to increase gradually, which is testosterone compared with the estrogen to be considered that affect the skin cell layer brindle coat color. In this study, stimulation with estrogen triggered the inhibition of MC1R of the melanocyte in brindle coat color, but testosterone is induced MC1R in melanocyte. Therefore, considered the eumelanin or phaeomelanin activation are controlled caused by differential expression of sex hormones on melanocyte in Korean Brindle Cattle.

• Journal of Powder Materials
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• v.23 no.5
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• pp.343-347
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• 2016

Fe-based pigments have attracted much interest owing to their eco-friendliness. In particular, the color of nanosized pigments can be tuned by controlling their size and morphology. This study reports on the effect of length on the coloration of ${\beta}$-FeOOH pigments prepared using an $NH_4OH$ solution. First, rod-type ${\beta}$-FeOOH is prepared by the hydrolysis of $FeCl_3{\cdot}6H_2O$ and $NH_4OH$. When the amount of $NH_4OH$ is increased, the length of the rods decreases. Thus, the length of the nanorods can be adjusted from 10 nm to 300 nm. The color of ${\beta}$-FeOOH changes from orangered to yellow depending on the length of ${\beta}$-FeOOH. The color and phase structure of ${\beta}$-FeOOH is characterized by UV-vis spectroscopy, CIE Lab color parameter measurements, transmission electron microscopy (TEM), scanning electron microscopy (SEM), and powder X-ray diffraction (XRD).

• Journal of the Korean Society of Tobacco Science
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• v.12 no.2
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• pp.91-101
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• 1990

A field experiment was conducted to find out the effects of field productivity, variety and nitrogen rate on the yield, quality, chemical constituents and physical properties of burley cured leaf in three field with different productivity(Degree of field productivity: A ; high, B ; medium, C : low) during successive two years(1988~89). The yield and quality were remarkably lowered when nitrogen fertilizer being applied much in low productive field. As compared with Burley 21, KB101 showed high yield, particularly the yield of KB101 in low productive field was relatively high. The effect of nitrogen rate on the yield was somewhat different according to field productivity and production year. When the nitrogen fertilizer being applied above 22.5kg/10a, the added nitrogen had no effect on the yield. Total nitrogen content of cured leaf grown in low productive field was high while total alkaloid was low, therefore total alkaloid/total nitrogen ratio was remarkably low. The lightness, red and yellow color of cured leaf grown in low productive field was remarkably low. As compared with Burley 21, the contents of total alkaloid and total nitrogen and shatter resistance index of cured leaf was somewhat low, while the filling power, lightness, red and yellow color were slightly high. Total nitrogen content of cured leaf was increased remarkably by nitrogen addition, but total alkaloid was not increased though the nitrogen fertilizer being applied above 22.5kg/10a. The filling power and shatter resistance index of cured leaf grown in high nitrogen plot, and the lightness and yellow color were low while the red color was relatively high. It comes into question that the visual quality being increased as well as increment of yield and nitrogenous compounds by nitrogen addition in high productive field. In low productive field, it is considerable that nitrogen addition for high yield should be prohibited because it causes the decrement of yield and quality, on the contrary.

• Human Ecology Research
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• v.55 no.6
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• pp.661-673
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• 2017

This study analyzes the current wearing status and awareness of warning clothing for elementary school students as well as to identify points of improvement for traffic accident prevention and clothing safety education. A survey was conducted on 279 elementary $5^{th}$ and $6^{th}$ graders in the Incheon area and Ansan in 2017 June & July. The results showed that more than 2/3 of participants had no experience wearing warning clothing. Second, 63% of participants answered 'traffic accident prevention' as the main purpose of warning clothing, showing that about 2/3 are aware of the importance. Third, yellow was the most preferred color of fluorescent material for warning clothing with a significant difference of preference by grade. The favorite color combination of participants was yellow & orange followed by yellow & light green, but showed a significant difference between boys and girls. Fourth, the most preferred form of warning clothing was fluorescent short sleeves and shorts without reflective tape, suggesting that students paid more to the purpose for reflective tape. Fifth, while 68% of participants were negative towards wearing safety clothes that are currently available, 66% were willing to try safety clothes if the color and the design improved. The results suggest an improved education with more emphasis on the purpose of clothing safety. Color and design adjustment of the current warning clothing is also recommended for a more active participation by elementary school students.

• Microbiology and Biotechnology Letters
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• v.24 no.6
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• pp.756-762
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• 1996

In order to develop the method for mass production of natural food colorant from Monascus anka, optimum cultivation conditions for producing red and yellow pigments by cultiva- ting the mold in a jar fermenter and their color characteristics were investigated. The mold produced red and yellow pigments both intracellularly and extracellularly. These pigments showed unique light absorption characteristics with maximum absorption of 494, 380, 506, and 388 nm for extracellular red pigment (ERP), extracellular yellow pigment (EYP), intracellular red pigment (IRP), and intracellular yellow pigment (IYP), respectively. Optimum conditions for producing red pigments were found to be temperature 30$\circ$C, initial pH 6.0, rice powder 3-5%, peptone 0.05%, magnesium sulfate 0.25%, aeration rate 0.1 vvm. Optimum temperature for producing yellow pigments was around 35$\circ$C which is higher than that of producing red pigments. The initial pH and rice powder concentration for producing yellow pigments were the same as those of producing red pigments. The higher concentration of nitrogen source and inorganic salt, aeration rate, the more the yellow pigments were produced. The optimum agitation speed was 100 - 300 rpm for pigment production.

• Preventive Nutrition and Food Science
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• v.6 no.2
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• pp.107-111
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• 2001

Physical and chemical characteristics of four white-and one yellow-fleshed peach cultivars were compared at optimum maturity stage. In addition, differences of phenolic composition, polyphenol oxidase (PPO) activities and PPO isozyme patterns in two peach types were also investigated. There are no significant differences in firmness and color values between two peach types, except for "Yumyung", a white-fleshed peach with the highest firmness, and "Hwangdo", a yellow-fleshed peach with the highest yellowness (b)* value. In general, the soluble solid/titratable acidity ratios, ascorbic acid and total phenolic contents were significantly higher for white-fleshed peaches than those for yellow-fleshed peach (p<0.05). Three major phenolic compounds, catechin, neochlorogenic acid and chlorogenic acid, were found in both the white-and yellow-fleshed peaches. Among them, catechin was the predominant phenolic compound in the white-fleshed peaches, followed by neochlorogenic acid, and chlorogenic acid. Meanwhile, neochlorogenic acid was present in the highest level of the yellow-fleshed peach, but levels of two other phenolic compounds were lower. PPO activities of the white-fleshed peaches were generally higher than that of the yellow-fleshed peach, with the one major band and two minor bands, and there were no big differences in PPO isozyme patterns between two different peach cultivars.

• Journal of the Korean Society of Food Science and Nutrition
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• v.31 no.2
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• pp.338-342
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• 2002

Antimicrobial activity of yellow pigment produced by Monascus anka Y7 (Y7) was studied. The crude yellow pigment of Y7 showed antimicrobial activity against some bacteria and yeasts. The diameter of inhibition zone against gram-positive bacteria was a little smaller t]fan that of gram-negative bacteria to the crude yellow pigment. Especially, E2 fraction obtained from the crude yellow pigment by TLC method showed high anti-microbial activity against E. coli.. The fraction had bright yellow pigment, showing fluorescent light and having the maximum absorption at 373 nm. Citrinin, a mycotoxin which had been characterized as an antimicrobial substance from a Monascus strain, was not detected in the E2 fraction and in the crude yellow pigment by the results of TLC and HPLC. This indicates that the antimicrobial activity of Y7 pigments did not any relationship with citrinin. Yellow degree (b/a of Hunters color value) of Y7 pigment was much higher than that of other natural colorants such as annatto, gardenia yellow and carthamus yellow. But the colors of all of the yellow pigments were similar by panels. Thus, the yellow pigment of Y7 could be used as a useful alternative colorant for food industry, having the advantage of antimicrobial activity.

• The International Journal of Costume Culture
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• v.6 no.1
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• pp.11-18
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• 2003

Agricultural drainage salt generated during irrigation of crops in San Joaquin Valley, California, exceeds 600,000 tons annually and cumulates in the field in a rapid rate. As a result, the waste is taking out more farmlands for salt storage and disposal, imposing serious concerns to environment and local agricultural industry. In searching for a potential solution to reduce or eliminate the waste, this research explored feasibility of producing a value-added product, sodium sulfate, from the waste and utilizing the product in textile dyeing. The results indicated that sodium sulfate could be produced from the salt and could be purified by a recrystallization method in a temperature range within the highest and lowest daily temperatures in summer in the valley. The recovered sodium sulfate samples, with purities ranging from 67% to 99.91, were compared with commercially available sodium sulfate in the dyeing of levelling dyes. In nylon fabrics, the salt samples had little color difference in the dyeing with C.I. Acid Yellow 23 and C.I. Acid Blue 158. All salt samples' gray scale was 5 grade. In wool fabrics, the salt samples had little color difference in dyeing with C.I. Acid Yellow 23 and C.I. Arid Blue 158. All salt samples' gray scale was 5 grade. Generally, the dyeing of levelling dyes using recovered salts from farm drainage had little color difference than the dyeing of levelling dyes using commercial sodium sulfate.