Optimization of Ultrasonic-Assisted Extraction of Alkaloids from Whole Herbs of Urtica angustifolia
Using Response Surface Methodology

doi:10.7506/spkx1002-6630-201212024

FOOD SCIENCE ›› 2012, Vol. 33 ›› Issue (12): 123-127.doi: 10.7506/spkx1002-6630-201212024

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Optimization of Ultrasonic-Assisted Extraction of Alkaloids from Whole Herbs of Urtica angustifolia Using Response Surface Methodology

ZHANG Hai-yue，LI Qian

(College of Chemical and Life Science, Changchun University of Technology, Changchun 130012, China)

Received:2019-02-20 Revised:2019-02-20 Online:2012-06-25 Published:2012-07-27

Abstract

Abstract: Response surface methodology was used to optimize the ultrasonic-assisted extraction of alkaloids from whole herbs of Urtica angustifolia. The maximum absorption wavelength of alkaloids was determined by acid dye colorimetry. The optimal extraction conditions were ultrasonic extraction time of 10 min, material/liquid ratio of 1:10 (g/mL), ethanol concentration of 85%, and extraction time of 2 h.

Key words: Urtica angustifolia, ultrasonic extraction, response surface methodology (RSM), alkaloids

CLC Number:

R284.2

ZHANG Hai-yue，LI Qian. Optimization of Ultrasonic-Assisted Extraction of Alkaloids from Whole Herbs of Urtica angustifolia Using Response Surface Methodology[J]. FOOD SCIENCE, 2012, 33(12): 123-127.

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Optimization of Ultrasonic-Assisted Extraction of Alkaloids from Whole Herbs of Urtica angustifolia Using Response Surface Methodology

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