Title Page
Contents
ABBREVIATION 7
I. Introduction 8
II. Materials and Methods 12
1. Materials 12
1) Plant materials 12
2) Extraction 12
3) Reagents and instrumental analysis 14
2. Methods 15
1) Astringency effect 15
(1) Astringent activity assay 15
2) Anti-oxidation 16
(1) Total phenolic compound contents 16
(2) Electron donating ability(EDA) assay 17
(3) ABTS+ radical scavenging ability assay(이미지참조) 18
(4) Reducing power assay 19
(5) Hydrogen peroxide(H₂O₂) scaveging ability 20
(6) Superoxide dismutase(SOD)-like activity 21
(7) Nitric oxide scavenging ability 22
3) Anti-wrinkle effect 23
(1) Collagenase inhibition activiy 23
III. Results 24
1. Result of Astringency effect of Moringa oleifera extracts 24
1) Astringent activity assay 24
2. Result of anti-oxidation effects of Moringa oleifera extracts 26
1) Total phenolic compound contents 26
2) Electron donating ability (EDA)assay 28
3) ABTS+ radical scavenging ability assay(이미지참조) 30
4) Reducing power assay 32
5) Hydrogen peroxide (H₂O₂) scaveging ability 34
6) Superoxide dismutase(SOD)-like activity 36
7) Nitric oxide scavenging ability 38
3. Result of anti-wrinkle effects of Moringa oleifera extracts 40
1) Collagenase inhibition effect 40
IV. Discussion 42
V. References 44
Abstract 50
초록 52
Table 1. The contents of total polyphenol from of Moringa extracts 27
Fig.1. The procedure for extraction from Moringa oleifera 13
Fig.2. Astringent activity of Moringa oleifera extracts 25
Fig.3. Electron donating ability of Moringa oleifera extracts 29
Fig.4. ABTS+ cationradical scavenging ability of Moringa oleifera extracts(이미지참조) 31
Fig.5. Reducing power of Moringa oleifera extracts 33
Fig.6. Hydrogen peroxide(H₂O₂) scavenging ability of Moringa oleifera extracts 35
Fig.7. Superoxide dismutase(SOD)-like activity of Moringa oleifera extracts 37
Fig.8. Nitrite oxide scavenging ability of Moringa oleifera extracts 39
Fig.9. Collagenase inhibition activity of Moringa oleifera extracts 41