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Int. J. Mol. Sci. 2009, 10(10), 4330-4341; doi:10.3390/ijms10104330
Article

Extraction of Teucrium manghuaense and Evaluation of the Bioactivity of Its Extract

1,* , 2, 3 and 1
Received: 15 July 2009; in revised form: 9 September 2009 / Accepted: 24 September 2009 / Published: 9 October 2009
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract: The ethanol extract of Teucrium manghuaense grown in Hainan province (China) was analysed by GC and GC/MS. Of the constituents 84–96% were identified on the basis of their GC retention times and their mass spectra in regard to authentic compounds. The results revealed that it contained 9-methyl-9-azabicyclo[4.2.1]nonane (7.43%), 2-methylpyrrolidine (19.42%), 3,7,11,15-tetramethyl-2-hexadecen-1-ol (10.84%), and squalene (28.55%), as major components, constituting 66.24% of the extract. The chemical characterization of the ethanol extract by GC/MS also allowed identification of 1-octen-3-one (3.41%), 2-pentyl-piperidine (2.25%), 1-(2-methyl-1-propenyl)-piperidine (4.63%), 2,2'-diethoxy-5,5'-bi-1-pyrroline (0.41%), (Z,Z,Z)-9,12,15-octadecatrieniic acid, 2,3-dihydroxypropyl ester (1.56%), vitamin E (2.95%) and stigmasterol (1.39%). Finally, the antioxidant and anti-tumor activities of the ethanol extract have been evaluated. Results show that the extract of Teucrium manghuaense leaf possesses strong DPPH-, hydroxyl radical scavenging activity and anti-tumor activity.
Keywords: Teucrium manghuaense; extraction; squalene; GC-MS; antioxidant; anti-tumor Teucrium manghuaense; extraction; squalene; GC-MS; antioxidant; anti-tumor
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.

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MDPI and ACS Style

Yin, G.; Zeng, H.; He, M.; Wang, M. Extraction of Teucrium manghuaense and Evaluation of the Bioactivity of Its Extract. Int. J. Mol. Sci. 2009, 10, 4330-4341.

AMA Style

Yin G, Zeng H, He M, Wang M. Extraction of Teucrium manghuaense and Evaluation of the Bioactivity of Its Extract. International Journal of Molecular Sciences. 2009; 10(10):4330-4341.

Chicago/Turabian Style

Yin, Guihao; Zeng, Huicai; He, Mingjun; Wang, Mingyue. 2009. "Extraction of Teucrium manghuaense and Evaluation of the Bioactivity of Its Extract." Int. J. Mol. Sci. 10, no. 10: 4330-4341.



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