The Extraction, Purification and Structural Analysis of Alkaloid from Urtica Angustifolia

Hai Yue Zhang; Qian Li; Peng Li

doi:10.4028/www.scientific.net/AMR.550-553.1881

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553The Extraction, Purification and Structural...

The Extraction, Purification and Structural Analysis of Alkaloid from Urtica Angustifolia

Abstract:

Urtica angustifolia (U. angustifolia) is a traditional medicinal material which has anti-inflammatory and detoxification functions. It contains some active ingredient, such as alkaloids, flavonoids and polysaccharides. The objective of this study was to separate and identify alkaloids form it. However, the test of extraction conditions was shown that alkaloids reached the maximum in 1:10 of liquid to material, 85% ethanol concentration, 2h of reflux extraction. The total alkaloids were purified by AB-8 resin column, silica gel column and acid dye experiment successively.In addition, the maximum absorption wavelength of U. angustifolia alkaloid was determined by UV spectrophotometry, followed by their structural identified and analysis for alkaloids by infrared spectroscopy, high performance liquid chromatography and mass spectrometry. It could be concluded that the alkaloids of U. angustifolia which contain monoterpene from incarvillea alkaloids. And its molecular weight and molecular formula had identified.

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Periodical:

Advanced Materials Research (Volumes 550-553)

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1881-1885

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.1881

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Online since:

July 2012

Authors:

Hai Yue Zhang, Qian Li, Peng Li

Keywords:

Alkaloid, Extraction and Purification, Structure Analysis, Urtica angustifolia

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