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A Study on Free-form Design Shape Creation through Geometric Transformation of Digital Design Tool (디지털디자인도구의 Geometry 변형을 통한 비정형 디자인 형태 생성 방법에 관한 연구)

  • Park, Sang-Jun
    • The Journal of the Korea Contents Association
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    • v.16 no.5
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    • pp.306-317
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    • 2016
  • Both the formal type of architecture and free-form architecture have basic factors and methods for basic expression. Because the use of digital design tools for creation of free-form design mostly depends on the character and ability of designer, this study aims to propose establishment of free-form design creation method as a prototype, including the method to create free-form design, through setting up rules that can be used in common. This study is carried out on the basis of the application of digital design tools used for creation of conceptual free-form styles at the phase of conceptualization and development, which is different from the general theory of free-from design. The free-from style in the modern architecture has begun with the changes in digital design tools and design concepts. In the case study based on the free-form designs in precedent studies, the morphological characteristics have been analyzed and interpreted by using the language of digital design tools, so that this study will suggest the techniques to realize the free-form style on the basis of geometric transformation by using the digital design tools, as well.

Effect of Chlorine Treatment on the Lipid Composition of Wheat Flour (염소처리가 밀가루의 지방질 조성에 미치는 영향)

  • Han, Myung-Kyu;Shin, Hyo-Sun
    • Korean Journal of Food Science and Technology
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    • v.24 no.2
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    • pp.132-136
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    • 1992
  • The effects of chlorine treatment on the lipid composition of wheat flour were studied by treating flour with different amounts (1, 2 and 4 ounces per 100 pounds of flour) of liquidized chlorine gas. The contents of free lipid increased slightly while those of the bound lipid decreased at all levels of chlorine used. The contents of neutral lipid in the free lipid decreased while those in the bound lipid increased as the level of chlorine increased. The contents of triglycerides in the free and bound lipids decreased as the level of chlorine increased. As the level of chlorine increased, digalactosyl diglycerides in the bound lipid decreased, whereas those in the free lipid increased within the range of 1 to 2 oz of chlorine. The phosphatidylcholine content in the free and bound lipids decreased while the lysophosphatidylcholine increased in both free and bound lipids as the level of chlorine increased. The content of saturated fatty acids increased while that of unsaturated ones decreased as the level of chlorine increased.

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Effect of Additives on the Contents of Fatty Acid Methyl Esters of Biodiesel Fuel in the Transesterification of Palm oil with Supercritical Methanol (팜유로부터 바이오디젤 연료를 합성하는 초임계유체반응에서 지방산메틸에스테르의 함량에 미치는 첨가물의 영향)

  • Lee, Hong-shik;Choi, Joon-hyuk;Shin, Young Ho;Lim, Youngsub;Han, Chonghun;Kim, Hwayong;Lee, Youn-Woo
    • Korean Chemical Engineering Research
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    • v.46 no.4
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    • pp.747-751
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    • 2008
  • The effect of additives in the synthesis of biodiesel fuel using supercritical methanol was studied in order to examine the possibility of application of spent vegetable oil as a raw material, which has high contents of water or free fatty acid. The experiments were performed by varying the contents of water, free fatty acid or antioxidants respectively in a batch reactor. The contents of fatty acid methyl ester was analyzed by a gas chromatography. As the water contents increased, the contents of fatty acid methyl ester decreased, however, the decrease was very little compared with the alkaline and acid catalyst. The effect of the contents of free fatty acid, vitamin E, and ${\beta}$-carotene was negligible.

The Contents of Amino Acids and Amylose of Ssooksulsis and Ssookjulpyuns Affected by Added Mugworts (쑥 첨가량에 따른 쑥설기와 쑥절편의 아미노산과 아밀로스 함량)

  • 심영자
    • The Korean Journal of Food And Nutrition
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    • v.7 no.2
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    • pp.144-150
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    • 1994
  • Ssooksulgies and Ssookjulpyuns made with different levels of mugworts were attempted to analyze the Ingredients of amino acids and amylose The contents of total free amino acids of 30% Ssoohsulgi was 25.9mg% which was four times as much as that of 0% Ssooksulgi and the ones of total free amino acids of 30% Ssookjulpyun was 39.58mg% which was eleven times as much as that of 0% Ssookjulpyun. The more mugworts were added, the less amylose were contained.

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On the Chemical Analysis of Amino Acid of Yellow Corvenia (참조기의 아미노산 분리정량)

  • 차월석;김종균김연순
    • KSBB Journal
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    • v.4 no.2
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    • pp.157-161
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    • 1989
  • The contents of total amino acid and free amino acid in the protein of yellow corvenia were analysed quantitively by HPLC. The results were as follow; The contents of free amino acid of yellow corvenia flesh and yellow covenia roe were 323.0mg/100g and 932.5mg/100g, respectively. The contents of total amino acids of yellow corvenia flesh and yellow covenia roe were 33,2620.0mg/100g and 64,861.0mg/100g, respectively. The contents of essential amino acid of yellow corvenia flesh and yellow corvenia roe were 12,196.0mg/100g and 13,143.0mg/100g, respectively.

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Effect of Anaerobic Treatment on Carbohydrate-Hydrolytic Enzyme Activities and Free Amino Acid Contents in Barley Malt

  • Yun, Song-Joong;Choi, Kyeong-Gu;Kim, Jin-Key
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.43 no.1
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    • pp.19-22
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    • 1998
  • Effects of acute anoxia on carbohydrate hydrolytic enzyme activities and free amino acid contents in malt were examined. Malts were prepared with barley grains germinated for 7 days which contained the highest levels of amylolytic and(1-3,1-4)-$\beta$-glucanase activities. $\alpha$-Amylase and $\beta$-amylase activities in malts were not significantly affected by anoxia for 5 or 10 h.(1-3,1-4)-$\beta$-Glucanase activity, however, decreased about 7 to 10% by anoxia for 5 or 10 h. Alanine and $\gamma$-aminobutyric acid content changed drastically. Alanine contents in malts increased by 2.2- and 2-fold, and $\gamma$-aminobutyric acid contents by 1.4- and 1.9-fold under anoxia for 5 and 10 h, respectively.

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Effect of Extraction and Evaporating Conditions on the Free SuEar in Contents Ginseng Extract (추출 및 농축조건에 따른 인삼엑기스중 유리당 함량변화)

  • 김해중;조재선
    • Journal of Ginseng Research
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    • v.6 no.2
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    • pp.115-122
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    • 1982
  • This studies were conducted to investigate the effect of extraction and evaporating conditions on the free sugar in ginseng extracts. Raw ginseng roots were extracted with water or various concentration of water-ethanol solutions. Then the extracts were evaporated by boiling or vacuum evaporated at 50 $^{\circ}C$ and 70 $^{\circ}C$. The results are as follows Sucrose and maltose contents were 7.95% and 12.8% in water extracts and 19.96%, 0.34-0.93% in 90% ethanol extracts, respectively. On the otherhand, glucose and fructose contents were not affected by the solvents. Evaporating conditions, such as temperature, were rarely effected to the sugar contents.

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Effects of Selenium, Copper and Magnesium on Antioxidant Enzymes and Lipid Peroxidation in Bovine Fluorosis

  • Han, Bo;Yoon, Soonseek;Su, Jingliang;Han, H.R.;Wang, Mei;Qu, Weijie;Zhong, Daibin
    • Asian-Australasian Journal of Animal Sciences
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    • v.17 no.12
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    • pp.1695-1699
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    • 2004
  • The antioxidant enzymes, lipid peroxidation and free radicals assessment were made of the effects of selenium, copper and magnesium on bovine endemic fluorosis under high fluoride, low selenium and low copper productive conditions. Thirty-two beef cattle were selected from high fluoride area, and randomly divided into four groups with eight cattle each as follows: (1) high fluoride control group (HFC); (2) supplemented group with 0.25 mg/kg selenium (HFSe); (3) supplemented group with 15 mg/kg copper (HFCu) and (4) supplemented group with 0.25 mg/kg selenium+15 mg/kg copper+1 mg/kg magnesium (HFSeCuMg) per day for 83 days. Moreover, eight beef cattle were selected from non-high fluoride area as normal control group. Blood samples were collected from cattle on 0 d, 30 d and 83 d respectively, to analyze the enzyme activities and concentration of GSH-px, CAT, SOD, MDA and free radicals. The results showed that the contents of free radicals and MDA in HFC group were significantly higher, and the whole blood GSH-px, CAT, erythrocyte SOD activities were lower than the normal control group. Free radicals, metabolic imbalance and antioxidant disorder therefore, play an important role in fluorosis. However, GSH-px, CAT and SOD activities in HFSe group and HFSeCuMg group at 30 d and 83 d were markedly higher than the same groups at the 0 d and the HFC group at the same time. Likewise, there was a corresponding reduction in the contents of free radicals and MDA. These findings indicated that supplementation with selenium, copper and magnesium elevated high fluoride bovine antioxidant enzymes, and decreased MDA and free radicals contents. But, the activities of supplementation selenium group did not increase until day 83. These results demonstrated that fluorosis was associated with lower serum Se and Cu levels than in the control, and it was therefore concluded that fluorosis is associated with decreased serum levels of these minerals. Long-term high fluoride intake under productive condition enhances oxidative stress in the blood, thereby disturbing the antioxidant defense of cattle. Increased oxidative stress could be one of the mediating factors in the pathogenesis of toxic manifestations of fluoride. It is benefical for high fluoride cattle supplemented with proper selenium, copper and magnesium to increase fluoride excretion and obtain the protective impact of the activity of oxidative enzymes, and to decrease lipid peroxidation and free radicals contents.

The Effect on the Change of Liver and Serum Cholesterol Contents of Albino Rats by the Feeding of the Suerose and Glucose (蔗糖과 葡萄糖이 白鼠肝臟 및 血淸 Cholesterol의 含量에 미치는 影響)

  • Koh, Jin Bog;Lee, Kyung Ro
    • The Korean Journal of Zoology
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    • v.13 no.2
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    • pp.44-50
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    • 1970
  • This experiment was made in order to observe the change in contents of the total cholesterol, free cholesterol and ester cholesterol in the liver and serum by the feeding of glucose and sucrose. The animals used for the experiment were adult male albino rat from a pure strain, weighing 285-332g. The animals were divided into standard, glucose and sucrose diet groups. The glucose and sucrose diet groups were redivided into 10%, 25% and 40% diet groups. Their liver and serum were used as sample after they were fed with the corresponding diets, respectively, for two months. 1. In the liver, the total cholesterol and ester cholesterol contents in the 40% glucose diet group were significantly increased and the free cholesterol contents in all diets were respectively increased, compared with the standard diet group. 2. In the serum, the total cholesterol contents in both diet groups, the 10% glucose and 10% sucrose, were decreased but the content in the 40% sucrose diet group was increased, compared with the standard diet group. The free cholesterol contents in the 10 and 40% glucose diet and 10% sucrose diet group were decreased, compared with the standard diet group. The ester cholesterol contents in the 10% glucose and 10% sucrose diet groups were decreased but the content in the 40% sucrose diet group was increased, compared with the standard diet group. Being taken into consideration of the above facts it was acquired that the cholesterol contents are affected by the amounts and kinds of dietary carbohydrate when the protein contents in each diet were constant.

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Antioxidant effect of ethanol extract from Plantaginis Herba (차전초 에탄올 추출물의 항산화 효능)

  • Kim, Yoo-Jin;Kim, So Young;Jeong, Mi Jin;Lee, Un-Tak;Choo, Sung-Tae;Youn, Seok Na;Kim, Mi Ryeo
    • The Korea Journal of Herbology
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    • v.33 no.3
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    • pp.37-43
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    • 2018
  • Objectives : Butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA) were well known as anti-oxidant, but they were limited to use because of toxicity. So, many studies are being done to develope natural anti-oxidant. Total phenolic and flavonoid contents along with total antioxidant capacity of the ethanolic extract of Plantaginis Herba (PH) were evaluated to explore the reliable and potential sources of novel natural antioxidants. Methods : Total polyphenol contents and total flavonoid contents in PH ethanol extract were determined by colorimetric method. And DPPH(1.1-diphenyl-2-picrylhydrazyl), ABTS(2'-azino-bis (3-ethylbenzothiazoline-6-Surfonicacid)) free radical scavenging capacity and reducing power inhibition activities of PH ethanol extract were measured at 100, 500, 1000, $5000{\mu}g/m{\ell}$ concentrations by spectrometric assay. Results : The total polyphenol contents and total flavonoid contents of the extract were 161.99 mg/g, 144.05 mg/g, respectively. Also, DPPH, ABTS free radical scavenging capacity and reducing power of PH ethanol extract in treated concentrations (100, 500, 1000, $5000{\mu}g/m{\ell}$) increased dose dependently. In particular, DPPH free radical scavenging capacity of PH ethanol extract from $500{\mu}g/m{\ell}$ was significantly increased compared to positive control (BHA). ABTS free radical scavenging capacity of PH ethanol extract from $1000{\mu}g/m{\ell}$ was significantly higher than BHA. Also, reducing power showed that PH ethanol extract from $500{\mu}g/m{\ell}$ was significantly increased compared to BHA. Conclusions : These results suggest that PH ethanol extract has effects to scavenge free radicals, thus PH has potential and applicable benefits for development of materials and products to have anti-oxidation functions.