http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : Rosenei (검색결과 1 건)
- 무료
- 기관 내 무료
- 유료
-
Roberta Gomes Coelho,Neli Kika Honda,Maria do Carmo Vieira,Rosenei Louzada Brum,Fernando Roge´rio Pavan,Clarice Queico Fujimura Leite,Claudia Andre´a Lima Cardoso 한국식품영양과학회 2010 Journal of medicinal food Vol.13 No.5
Bromelia balansae (Family Bromeliaceae) is a medicinal plant commonly used in the central region of Brazil as a cough syrup and also eaten roasted. The methanolic extract of ripe fruits was analyzed by chromatographic methods and spectrometrically. Four glycoside flavonols were isolated: kaempferol-3-O-α-l-rhamnopyranoside (1), kaempferol-3-O-α-l-rhamnopyranosyl-(1→6)-β-d-glucopyranoside (2), quercetin-3-O-α-l-rhamnopyranosyl-(1→6)-β-d-glucopyranoside (3), and kaempferol 3,7-di-O-α-l-rhamnopyranoside (4). The resazurin microtiter assay was used to measure the biological activity in vitro against Mycobacterium tuberculosis. The results showed a moderate activity of the methanolic extract with a minimal inhibitory concentration of 128μg/mL. Antioxidant activity was evaluated as free radical scavenging capacity and inhibition of peroxidation. Free radical scavenging capacity was assessed by measuring the scavenging activity of methanolic extract and methanolic fraction on 2,2-diphenyl-1-picrylhydrazyl radical. The methanolic extract showed low values of antioxidant activities, whereas the methanolic fraction exhibited free radical scavenging activity ranging from 20.2% to 91.1%, and the inhibition of peroxidation values ranging from 5.6% to 27.5%. This is the first chemical study reported in the literature about this species.
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
