Molecules 2010, 15(11), 7933-7945; doi:10.3390/molecules15117933
Article

Flavonoids from Halostachys caspica and Their Antimicrobial and Antioxidant Activities

1, 1, 1, 1, 1,* email, 2, 2, 3, 3 and 3
Received: 11 October 2010; in revised form: 2 November 2010 / Accepted: 4 November 2010 / Published: 5 November 2010
(This article belongs to the Special Issue Phenolics and Polyphenolics)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: Seven flavonoids have been isolated from the aerial parts of Halostachys caspica C. A. Mey. (Chenopodiaceae) for the first time. By means of physicochemical and spectrometric analysis, they were identified as luteolin (1), chrysin (2), chrysin 7-O-β-D-glucopyranoside (3), quercetin (4), quercetin 3-O-β-D-glucopyranoside (5), isorhamentin-3-O-β-D-glucopyranoside (6), and isorhamentin-3-O-β-D-rutinoside (7). All flavonoids were evaluated to show a broad antimicrobial spectrum of activity on microorganisms including seven bacterial and one fungal species as well as pronounced antioxidant activity. Among them, the aglycones with relatively low polarity had stronger bioactivity than their glycosides. The results suggested that the isolated flavonoids could be used for future development of antimicrobial and antioxidant agents, and also provided additional data for supporting the use of H. caspica as forage.
Keywords: Chenopodiaceae; Halostachys caspica; flavonoids; antimicrobial activity; antioxidant activity
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MDPI and ACS Style

Liu, H.; Mou, Y.; Zhao, J.; Wang, J.; Zhou, L.; Wang, M.; Wang, D.; Han, J.; Yu, Z.; Yang, F. Flavonoids from Halostachys caspica and Their Antimicrobial and Antioxidant Activities. Molecules 2010, 15, 7933-7945.

AMA Style

Liu H, Mou Y, Zhao J, Wang J, Zhou L, Wang M, Wang D, Han J, Yu Z, Yang F. Flavonoids from Halostachys caspica and Their Antimicrobial and Antioxidant Activities. Molecules. 2010; 15(11):7933-7945.

Chicago/Turabian Style

Liu, Hao; Mou, Yan; Zhao, Jianglin; Wang, Jihua; Zhou, Ligang; Wang, Mingan; Wang, Daoquan; Han, Jianguo; Yu, Zhu; Yang, Fuyu. 2010. "Flavonoids from Halostachys caspica and Their Antimicrobial and Antioxidant Activities." Molecules 15, no. 11: 7933-7945.

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