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류연수,나정화,도후조 慶北大學校農業科學技術硏究所 2002 慶北大農學誌 Vol.20 No.-
The purpose of this study is to analysis of disposition distance of city park for the plan of suitable arrangement of city park based on the date examining Daegu Metropolitan City. The results of this study are as follows. 1) The result of analysis of population density as the case of districts, it appeared highly in city center area which Seo-Gu district and Nam-Gu district besides Jung-Gu district. However, it apperared in a low Buk-Gu district, Dong-Gu district and Salseong-Gun. 2) The result of analysis of population density as the case of regions, it appeared very highly Joukjun-Dong of Dalseo-Gu district(31,554per/㎢), Naedang-Dong of Seo-Gu district(29,922per/㎢). However it appeared in a low YeugaoMaen(85per/㎢) and Gachang-Maen(94per/㎢) of Dalseong-Gun. The regions where the population density is high have very low green space and live a lot of low income layer. 3) The result of analysis of disposition distance, in the case of children park, it appeared an intensive distribution in Dongcheon-Dong and Guam-Dong of Buk-Gu district, Whanggm-Dong and Dusan-Dong of Suseong-Gu district, Sangin-Dong and Yeongasn-Dong and Walsung-Dong of Dalseo-Gu district. however, it appeared in a low in Jung-Gu district. The case of urban park of the neighboring area, it appeared the most in Dalseo-Gu district except 2 parks in Jung-Gu district, the case of urban park of the walking area, it apperared in equality in city. 4) In conclusion, the area have population density and lots of low income layer, is in out of disposition distance should be considered in first for city park plan.
Soo Jung Lee,Wensi Hu,Eun Jung Lee,Jin Young Choi,Ok Kyung Koo 한국산업식품공학회 2018 산업 식품공학 Vol.22 No.4
Polyphenol profiles, physicochemical properties, antioxidant activities, and inhibitory effect of adipocyte differentiation of Houttuynia cordata fermented with Lactobacillus brevis B84 were evaluated. Six polyphenols were characterized for this plant by using high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS), and the results were compared with total phenolic content by a spectrophotometric method. The total amount of the identified polyphenols was lower than that determined by the spectrophotometric method. However, the fermentation process influenced polyphenol composition such as content of vanillic acid and caffeic acid. The phytochemical profiles were evaluated by high-performance liquid chromatography with UV and electrospray ionization mass spectrometry detection (HPLC-DAD-ESI-MSn). Total sugar and reducing sugar contents decreased after fermentation. Antioxidant activities such as DPPH, ABTS, and superoxide anion radical scavenging and reducing power were evaluated to compare the beneficial effect after fermentation. Fermented H. cordata increased the lipolytic effect in 3T3-L1 adipocytes. Overall, the results indicate that the fermentation of H. cordata with L. brevis B84 produces changes of phenolic compounds, antioxidant activity, and lipolytic effect.
Woo, Soo Ji,Kim, Na Young,Kim, Shin Hu,Ahn, Sang Jung,Seo, Jung Soo,Jung, Sung Hee,Cho, Mi Young,Chung, Joon Ki Elsevier 2018 COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-TOXICOLO Vol.209 No.-
<P><B>Abstract</B></P> <P>Trichlorfon is a moderately toxic organophosphate pesticide that is widely used in aquaculture. This study investigated the effects of trichlorfon on hematological parameters, biochemical factors, and stress reaction in <I>Cyprinus carpio</I> L. The fish were exposed to acute concentrations of trichlorfon (0, 0.5, 1.0, 2.0, and 4.0 mg L<SUP>−1</SUP>) at 25 °C and 15 °C for 1 and 2 weeks, after which several parameters were evaluated to assess the effects of the pesticide. Significant decreases were observed in red blood cell (RBC) Count, hemoglobin (Hb) level, hematocrit (Ht), and plasma protein levels after each exposure period. In contrast, notable increases in mean corpuscular volume (MCV), mean cell hemoglobin (MCH), calcium, and glucose levels were observed in the trichlorfon-treated groups. Additionally, there were significant increases in the plasma levels of glutamate-oxaloacetate transaminase (GOT), glutamate-pyruvate transaminase (GPT), and alkaline phosphatase (ALP) following the exposure to trichlorfon. Furthermore, the results showed a relationship between toxic stress and increment in <I>HSP70</I> and cytochrome P450 1A (<I>CYP1A</I>) expression over time. Ht, MCV, MCH, and the value of other biochemical parameters were quite lower at 15 °C than their corresponding values were at 25 °C, which indicated the decreased physical activity at 15 °C. The results of the present work indicate that acute exposure to trichlorfon and thermal stimulus could damage erythropoietic tissue. Additionally, hepatocytes function and physiological mechanisms could be impaired. Ht, glucose, GOT, GPT, <I>HSP70</I>, and <I>CYP1A</I> levels might be useful biomarkers of trichlorfon toxicity in contaminated aquatic ecosystems.</P>
A Bifunctional Perovskite Catalyst for Oxygen Reduction and Evolution
Jung, Jae‐,Il,Jeong, Hu Young,Lee, Jang‐,Soo,Kim, Min Gyu,Cho, Jaephil WILEY‐VCH Verlag 2014 Angewandte Chemie Vol.126 No.18
<P><B>Abstract</B></P><P>La<SUB>0.3</SUB>(Ba<SUB>0.5</SUB>Sr<SUB>0.5</SUB>)<SUB>0.7</SUB>Co<SUB>0.8</SUB>Fe<SUB>0.2</SUB>O<SUB>3−<I>δ</I></SUB> is a promising bifunctional perovskite catalyst for the oxygen reduction reaction and the oxygen evolution reaction. This catalyst has circa 10 nm‐scale rhombohedral LaCoO<SUB>3</SUB> cobaltite particles distributed on the surface. The dynamic microstructure phenomena are attributed to the charge imbalance from the replacement of A‐site cations with La<SUP>3+</SUP> and local stress on Co‐site sub‐lattice with the cubic perovskite structure.</P>
Raffinose와 stachyose 함량이 낮은 콩과 두부의 품질특성
이수정(Soo-Jung Lee),호문사(Wen-Si Hu),정종일(Jong-Il Chung),정보영(Bo-Young Jeong),성낙주(Nak-Ju Sung) 한국생명과학회 2017 생명과학회지 Vol.27 No.11
LOX-1,2,3 결핍과 비소화성 당류인 raffinose와 stachyose 함량이 낮은 품종(LRS)인 진양콩, 하영콩 및 대복콩을 원료로 하여 제조한 두부의 품질특성을 태광콩 두부와 비교하였다. 태광콩과 하영콩의 백립중은 여타 시료에 비해 유의적으로 높았다. 조단백질 함량은 태광콩에 비해 진양콩 및 하영콩에서 유의적으로 많았다. 두부의 수율은 태광콩, 하영콩 및 대복콩으로 만든 두부가 비슷한 수준이었다. 두부의 경도는 태광콩 및 대복콩으로 만든 두부가 가장 낮았으며, 하영콩으로 만든 두부에서 유의적으로 높았다. 콩 및 두부의 이소플라본 함량은 대조구에 비해 LRS 콩은 약 1.4~1.6배, 두부는 약 1.8~3.4배 높은 함량이었다. 콩의 총 페놀 함량은 대조구에 비해 하영콩 및 대복콩에서 유의적으로 높았다. 두부의 총 페놀 및 플라보노이드 함량은 대조구에 비해 하영콩 및 대복콩으로 만든 두부에서 유의적으로 높았다. 콩의 항산화 활성은 태광콩이 LRS 콩에 비해 높은 활성이었으나, 두부에서는 하영콩 및 대복콩으모 만든 두부가 대조구에 비해 유의적으로 높았다. 따라서 LRS 콩은 두부 제조에 적합하나 특히 하영콩이 콩의 단백질, 이소플라본 함량 및 두부의 항산화 활성 측면에서 가장 우수한 것으로 판단된다. August 22, 2017 /Revised September 26, 2017 /Accepted October 10, 2017 The quality characteristics of three non-genetically modified (GM) LRS soybean cultivars free of LOX 1, 2 and 3, such as Jinyang, Hayoung and Daebok, were compared to the characteristics of Taekwang, a soybean with LOX 1, 2 and 3 and general contents of raffinose and stachyose. Taekwang was used as a control soybean. The weights of 100 for Taekwang and Hayoung soybeans were significantly higher than those of the other samples. The crude-protein contents of the Jinyang and Hayoung soybeans were significantly higher than the crude-protein content of the Taekwang soybeans. Similar tofu yields were observed in the Taekwang, Hayoung and Daebok soybeans. The highest tofu yield was observed in the Hayoung soybeans. The isoflavone contents of the soybeans and tofu were 1.4-1.6 times and 1.8-3.4 times higher than the contents of the control soybeans, respectively. The total phenol contents of the Hayoung and Daebok soybeans were significantly higher than the contents of the control soybeans. Additionally, the total phenol and flavonoid contents were significantly higher in the tofu made from the LRS cultivars than in the tofu made from the control cultivar. The antioxidant activities of the Taekwang soybeans were higher than the antioxidant activities of the LRS-cultivar soybeans. However, the antioxidant activities of tofu made from the LRS cultivars were significantly higher than the antioxidant activities of tofu made from the control cultivar. The results suggested that the soybeans of the LRS cultivars were suitable for tofu products. The Hayoung cultivar may be the most suitable due to its higher crude protein and isoflavone contents and its significant antioxidant activity.