|Table of Contents|

Optimization of Ultrasonic-assisted Extraction of Total Flavonoids From Opisthopappus taihangensis(Ling) Shih by Response Surface Methodology(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年18
Page:
131-137
Research Field:
Publishing date:

Info

Title:
Optimization of Ultrasonic-assisted Extraction of Total Flavonoids From Opisthopappus taihangensis(Ling) Shih by Response Surface Methodology
Author(s):
HAO Ying1; CHEN Jianzhong2
1.Department of Mathematics and Physics,Handan College,Handan,Hebei 056005;2.Wild Resources Plant Research Center of South Hebei Taihang Mountains，Handan,Hebei 056005
Keywords:
Opisthopapus taihangensis; flavonoids; ultrasonic-assisted extraction extraction; single-factor experiment; response surface method
PACS:
-
DOI:
10.11937/bfyy.20170781
Abstract:
Taking Opisthopapus taihangensis as test material,the single-factor test was carried out by ultrasonic-assisted extraction.The optimum extraction process of flavonoids from Opisthopapus taihangensis was analyzed by Box-Behnken response surface.The results showed that the extraction conditions were as follows the ratio of material to liquid 1∶25 g?mL-1，ethanol concentration 60%，extraction temperature 60 ℃，extraction time 45 minutes.The variance analysis of the response surface test showed that solid-liquid ratio，ethanol concentration and extraction temperature on the extraction rate of flavonoids was very significant，and the extraction time had no significant effect on the extraction rate of flavonoids.The effects of four factors on the extraction rate were as follows:solid-liquid ratio>ethanol concentration>extraction temperature>extraction time.The optimal extraction conditions were as follows,solid-liquid ratio was 1∶25.88 g?mL-1，the concentration of ethanol was 61.78%,the extraction temperature was 63.44 ℃，the extraction time was 55 minutes，and the extraction rate of flavonoids was 4.74%.The solid-liquid ratio,ethanol concentration and extraction temperature could increase the extraction rate of flavonoids from Opisthopapus taihangensis very significantly.

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Last Update: 2017-10-06