지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수1
ABSTRACT iCONTENTS ivLIST OF TABLES viiiLIST OF FIGURES ixABBREVIATIONS xivI. General Introduction 1II. Literature Review 52.1. Ecklonia stolonifera 62.2. Extraction Methods of Ecklonia stolonifera 92.2.1. Methanol Extract 112.2.2. Ethanol Extract 112.3. Bioactive Compounds of Ecklonia stolonifera 122.3.1. Fucosterol 122.3.2. Eckol 122.3.3. Dieckol 122.3.4. Phlorofucofuroeckol A 132.3.5. Other Components 132.4. Bioactivities of Ecklonia stolonifera 172.4.1. Antibacterial Activity 172.4.2. Tyrosinase Inhibition 182.4.3. Antioxidant Activity 182.4.4. Anti-Obesity Activity 202.4.5. Anti-Diabetic Activity 202.4.6. Anti-Inflammatory Activity 212.4.7. Treat Neurological Disorders 222.4.8. Other Functionalities 222.5. Obesity 282.6. The Role of Oxidative Stress in Adipose Tissue Function 302.6.1. Sources of ROS in Adipose Tissue 302.6.2. Effect of ROS in Adipose Tissue 312.6.3. Antioxidant Systems in Adipose Tissue 31III. Analysis of the Bioactive Components and Antioxidant Activities of Ecklonia stolonifera Extract 333.1. Abstract 343.2. Introduction 353.3. Materials and Methods 373.3.1. Materials and Reagents 373.3.2. Total Phenolic and Flavonoid Contents 373.3.3. DPPH Radical Scavenging Activity 373.3.4. ABTS Radical Scavenging Activity 383.3.5. Ferric Reduction Antioxidative Power (FRAP) Assay 383.3.6. Reducing Power Assay 383.3.7. Quantitation of Dieckol in the ESE by HPLC-PDA 383.3.8. Method Validation 393.3.9. Statistical Analysis 403.4. Results and Discussion 413.4.1 Bioactive Compounds and Antioxidant Activity of ESE 413.4.2 Method Validation for Determination of Dieckol 473.4.3 Analysis of Dieckol Contents 51IV. Radical Scavenging-Linked Anti-obesity Effect of Standardized Ecklonia stolonifera Extract on 3T3-L1 Preadipocytes and High-Fat Diet-Fed ICR Mice 534.1. Abstract 544.2. Introduction 554.3. Materials and Methods 584.3.1. Materials and Reagents 584.3.2. Animal Experiments 584.3.3. Biochemical Analysis 594.3.4. Cell Culture 594.3.5. Cell Viability 594.3.6. ORO Staining and NBT Assay 604.3.7. Western Blot Analysis 604.3.8. Statistical Analysis 614.4. Results 624.4.1. ESE Prevents Development of Obesity in HFD-Fed Obese Mice. 624.4.2. ESE Inhibits Lipid Accumulation and ROS Production 694.4.3. ESE Reduces ROS-Generating Factor in the WAT of HFD-Induced Obese Mice and 3T3-L1 Cells 734.4.4 ESE Reduces ROS-Regulating Antioxidant Enzyme expressions in HFD-fed Obese Mice and 3T3-L1 Cells 784.4.5 ESE Stimulates Adipogenesis in HFD-fed Obese Mice and 3T3-L1 Adipocytes 834.4.6 ESE Promotes Lipid Metabolism-Related Enzymes in HFD-fed Obese Mice and 3T3-L1 Adipocytes 884.5. Discussion 93V. Anti-obesity Activity of ESETM in 3T3-L1 Preadipocytes and High-Fat Diet-Fed ICR Mice 955.1. Abstract 965.2. Introduction 975.3. Materials and Methods 995.3.1 Materials and Reagents 995.3.2 Animal Experiments 995.3.3 Biochemical Analysis 1005.3.4 Histological Analysis 1005.3.5 Cell Culture 1005.3.6 Cell Viability 1015.3.7 ORO Staining and NBT Assay 1015.3.8 Western Blot Analysis 1025.3.9 Statistical Analysis 1025.4. Results 1035.4.1 ESETM Prevents Development of Obesity in HFD-Fed Obese Mice. 1035.4.2. ESETM Inhibits Lipid Accumulation and ROS Production 1105.4.3 ESETM Reduces Adipogenesis in the WAT of HFD-Induced Obese Mice and 3T3-L1 Cells 1155.4.4 ESETM Reduces Lipogenesis in HFD-Fed Obese Mice and Adipocytes 1205.4.5 ESETM Stimulates Lipolysis in HFD-Fed Obese Mice and Adipocytes 1255.4.6 ESETM Promotes Thermogenesis Browning in HFD-Fed Obese Mice and Adipocytes 1325.5. Discussion 137VI Conclusion 139References 143Abstract (Korean) 154
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