|Table of Contents|

Extraction Process Optimization of Total Flavoniod From Clerodendron trichotomum Leaves by Microwave Technology(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年10
Page:
118-122
Research Field:
Publishing date:

Info

Title:
Extraction Process Optimization of Total Flavoniod From Clerodendron trichotomum Leaves by Microwave Technology
Author(s):
ZHANG Ying12YANG Ge3
(1.College of Biological and Chemistry Engineering,Panzhihua University,Panzhihua,Sichuan 617000;2.Key Laboratory of Dry-hot Valley Characteristic Bio-Resources Development at University of Sichuan Province,Panzhihua,Sichuan 617000;3.Panzhihua Institution for Food and Drug Control,Panzhihua,Sichuan 617000)
Keywords:
Clerodendron trichotomumflavoniodorthogonal designextraction
PACS:
-
DOI:
10.11937/bfyy.201610030
Abstract:
Taking Clerodendron trichotomum leaves as material,using microwave technology to extract total flavoniod,the flavoniod contents were evaluated by ultraviolet and visible spectrophotometer.The effect of material-liquid ratios,ethanol concentration,extraction temperatures and extraction time were investigated using the yields of total flavoniod as index.The optimum extraction process conditions of total flavoniod were studied by the orthogonal design after single factor experiments.The results showed that the optimum extraction conditions were as follows:presoaking for 2 hours,microwave power 200 W,ethanol concentration 70%,temperature 60 ℃,material-liquid ratio 1∶35 g?mL-1,extracting by 2 times,and each time for 3 minutes,the yield of total flavoniod could reach 71.15 mg?g-1.Microwave technology was feasible for flavoniod extraction,and it also could lay a foundation for further utilization of Clerodendron trichotomum.

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Last Update: 2016-07-11