시판 흑마늘의 항산화 및 Nitrosodimethylamine의 생성억제 = Antioxidant and Inhibition of Nitrosodimethylamine Formation in Marketing Black Garlics

다국어 초록 (Multilingual Abstract)

Four kinds of marketing black garlics (A, B, C and D products) from Namhae were analysed the antioxidant, nitrite scavenging activities and inhibition of nitrosodimethylamine (NDMA) formation. Total pyruvate and thiosulfate contents were higher in the black garlics than fresh garlic, and their contents were the highest in B product. Total phenol and flavonoids contents in the water and 80% ethanol extracts from black garlics were higher in water than ethanol extract, and all black garlics were higher than fresh garlic. And these contents of A product were somewhat higher compared to the others. Antioxidant activities, such as DPPH, ABTs, hydroxyl and nitric oxide radical scavenging showed stronger in water than ethanol extracts. And their activities in all products of black garlic were higher than the extracts of fresh garlic, and their activities of A and B products were similar to each other. In pH 2.5, nitrite scavenging activity and inhibition of NDMA formation were stronger in the black garlics than fresh garlic, and A product was the highest. Moreover, inhibition of NDMA formation from black garlic showed similar trends compared to the antioxidant activities. Therefore, we expect that the black garlic will contribute to the inhibition of carcinogenesis in vivo.

국문 초록 (Abstract)

시판되는 남해산 흑마늘 4제품(A, B, C 및 D)을 이용하여 항산화 활성, 아질산염 소거 및 nitrosodimethylamine(NDMA) 생성억제 활성을 비교하였다. 마늘 중 total pyruvate와 thiosulfate 함량은 생마늘보다 흑마늘에서 높았으며, B제품에서 가장 높은 함량이었다. 흑마늘의 물 및 에탄올 추출물에서 총 페놀과 플라보노이드 함량은 물 추출물에서 높았으며, 흑마늘은 생마늘 추출물보다 높은 함량으로 A제품에서 다소 높게 정량되었다. 항산화 활성으로 DPPH, ABTs, hydroxyl 및 nitric oxide 라디칼 소거활성을 비교한 결과, 흑마늘이 생마늘보다 높았으며, 물 추출물이 에탄올 추출물보다 높은 소거활성을 보였고, A와 B제품간의 항산화 활성은 비슷한 경향이었다. 아질산염 소거활성과 NDMA 생성억제 활성은 항산화 활성과 동일한 경향이었으며, A제품의 활성이 유의적으로 높았다. 따라서 흑마늘의 NDMA 생성억제 활성이 항산화 활성과 유사한 패턴을 보이고 있는 바, 흑마늘은 생체 내 암 발생의 억제에도 영향을 줄 것으로 예상되었다.

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