|Table of Contents|

Determination of Flavonoids Extraction in Soft Pear from Qinghai Province(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年10期
Page:
42-44
Research Field:
Publishing date:

Info

Title:
Determination of Flavonoids Extraction in Soft Pear from Qinghai Province
Author(s):
CHA Hui-ling1; SHI Yu-ping2; REN Shi-xia3
1.Qinghai Health Vocational and Technical College，Xining，Qinghai 810000；
2.Department of Chemistry,Qinghai Normal University，Xining，Qinghai 810008；
3.Qinghai Oilfield Drilling Technology Research Institute，Dunhuang，Gansu 736200
Keywords:
soft pear; flavonoids; single test; orthogonal test; extraction
PACS:
Q 946
DOI:
-
Abstract:
With Qinghai soft pear as test materials，used ethanol as extracting agent，extracting flavonoids by single and orthogonal test were studied.The results showed that optimal conditions for extraction was 95% ethanol concentration，extraction temperature was high at 80℃，the amount of ethanol was up to 90 mL and the extraction time was 3.0 h.Using Rutin as the standard，the total content of flavonoids was 0.0189 g/100g in soft pear pulp by spectrophotometry.

References:

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Last Update: 2014-09-04