표제지
국문요약
목차
I. 서론 11
II. 문헌고찰 12
1. 마늘 12
2. 마늘의 성분 12
3. 항산화 13
4. 항균 13
5. 식중독 세균 14
6. DPPH 라디칼 소거능 (DPPH radical scavenging activity) 17
7. Disc 확산법 (Disc diffusion method) 17
III. 재료 및 방법 18
1. 재료 18
2. 방법 19
2.1. 마늘 추출액 제조 19
2.2. 항산화 활성 (DPPH radical scavenging activity) 측정 21
2.3. 항균 활성 22
2.4. 통계분석 28
IV. 결과 및 고찰 29
1. 마늘 추출액의 항산화 활성 29
2. 마늘 추출액의 항균 활성 31
2.1. Escherichia coli (EPEC) 31
2.2. Salmonella enteritidis 34
2.3. Vibrio parahaemolyticus 37
2.4. Bacillus cereus 40
2.5. Staphylococcus aureus 43
V. 요약 및 결론 46
참고문헌 48
Abstract 53
Table 1. Statistics on food poisoning in Korea 16
Table 2. Garlics used in this study 18
Table 3. Strains used in this study 22
Table 4. Culture conditions of bacteria used in this study 23
Table 5. Control group used in this study 27
Table 6. DPPH radical scavenging activity of garlic extract 30
Table 7. Significant difference of garlic extract and control groups in Escherichia coli (EPEC) 32
Table 8. Antimicrobial activity of garlic extract by region against Escherichia coli (EPEC) 33
Table 9. Significant difference of garlic extract and control groups in Salmonella enteritidis 35
Table 10. Antimicrobial activity of garlic extract against Salmonella enteritidis 36
Table 11. Significant difference of garlic extract from control groups in Vibrio parahaemolyticus 38
Table 12. Antimicrobial activity of garlic extract by region against Vibrio parahaemolyticus 39
Table 13. Significant difference of garlic extract and control groups in Bacillus cereus 41
Table 14. Antimicrobial activity of garlic extract by region against Bacillus cereus 42
Table 15. Significant difference of garlic extract and control groups in Staphylococcus aureus 44
Table 16. Antimicrobial activity of garlic extract against Staphylococcus aureus 45
Figure 1. Principle of DPPH radical scavenging assay. 17
Figure 2. Garlics used in this study. 18
Figure 3. Preparation of garlic extract. 20
Figure 4. Procedure of disc diffusion method. 25
Figure 5. Method of disc configuration in plate. 26
Figure 6. Disc diffusion method result of Escherichia coli (EPEC). 33
Figure 7. Disc diffusion method result of Salmonella enteritidis. 36
Figure 8. Disc diffusion method result of Vibrio parahaemolyticus. 39
Figure 9. Disc diffusion method result of Bacillus cereus. 42
Figure 10. Disc diffusion method result of Staphylococcus aureus. 45