양송이버섯 추출물의 산화적 스트레스 억제효과 및 항돌연변이 효과

국문 초록 (Abstract)

식용 및 약용으로 예로부터 널리 이용하는 양송이버섯 추출물의 생리적 기능에 대한 활성을 탐색하기 위하여 양송이 버섯(Agaricus bisporus)의 에탄올 추출물의 항산화 효과와 Ames test를 통한 돌연변이 유발 억제능을 탐색하였다. 지질과산화물에 대한 단백질 보호효과를 알아본 결과, 양송이 버섯 에탄올 추출물은 MDA와 BSA의 교차결합 형성을 100㎎/assay이었을 때 72.21% 저해하였다. Fe²?에 의해 유도된 지질의 과산화에 대한 저해율은 2.0 ㎎/assay일 때 24.96%였으며, DPPH 라디칼 소거 활성을 측정한 결과 1.0 ㎎/assay일 때 52.75%의 저해율을 보였으며 처리농도가 증가할 수록 저해율은 증가하였다. IC?? 값으로 항산화능의 상대적 비교를 하였을 때 양송이버섯 추출물은 DPPH 라디칼 소거활성이 가장 강하였으며, 그 다음은 지질과산화 억제능이었고 MDA와 BSA의 교차결합 억제능이 가장 낮았다. Ames test를 이용하여 돌연변이 유발 억제능을 알아본 결과, 양송이버섯 에탄올 추출물은 Salmonella Typhimurium TA98 및 TA100 두 균주에서 직접작용 돌연변이능을 각각 100% 저해하여 매우 효과적이었다. 간접작용 돌연변이능 저해효과는 Salmonella Typhimurium TA98에서 86.09%, Salmonella Typhimurium TA100에서는 81.93%로 나타나 양송이버섯 에탄올 추출물은 직접, 간접작용 돌연변이능에 대한 저해효과가 우수하다고 사료된다. 본 연구 결과를 종합해 볼 때, 양송이버섯은 항산화성과 항돌연변이성이 우수하므로 기능성식품으로 개발할 수 있는 가능성이 있다고 본다.

다국어 초록 (Multilingual Abstract)

This study was performed to investigate the antioxidative effects such as the inhibition of malondialdehyde (MDA) and bovine serum albumin (BSA) conjugation reaction, inhibition of Fe²?-induced lipid peroxidation and the scavenging effect on 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radical, as well as antimutagenic capacities as Ames test in ethanol extracts of Agaricus bisporus. Agaricus bisporus ethanol extracts inhibited Fe²?-induced lipid peroxidation and scavenged DPPH radical. The IC?? of Agaricus bisporus ethanol extracts were 78.63 ㎎/assay for inhibition of MDA with BSA conjugation reaction, 4.06 mg/ assay for inhibition of Fe²?-induced lipid peroxidation and 1.08 ㎎/assay for scavenging effect on DPPH radical. So, among the methods used in this study, the most effective antioxidative capacity in ethanol extracts of Agaricus bisporus was the scavenging effect on DPPH radical. The indirect and direct antimutagenic effects of ethanol extracts of Agaricus bisporus were examined by Ames test using Salmonella Typhimurium TA98 and TA100. The inhibitory effects on direct mutagenicity mediated by sodium azide in Salmonella Typhimurium TA100 and 2-nitrofluorene in Salmonella Typhimurium TA98 were 100%. The inhibition rates on indirect mutagenicity mediated by 2-anthramine were 86.09% in the Salmonella Typhimurium TA98 and 81.93% in the Salmonella Typhimurium TA100. The ethanol extracts of Agaricus bisporus showed considerable antioxidative activity and strong antimutagenic capacity.

목차 (Table of Contents)

• Abstract
• 서론
• 재료 및 방법
• 결과 및 고찰
• 요약
• 감사의 글
• 문헌

참고문헌 (Reference)

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