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Optimization of the Jujube Polysaccharide Extraction Technology and Analysis of Polysaccharide Content in Twenty-five Jujube Varieties From Northern Shaanxi(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年17
Page:
110-114
Research Field:
Publishing date:

Info

Title:
Optimization of the Jujube Polysaccharide Extraction Technology and Analysis of Polysaccharide Content in Twenty-five Jujube Varieties From Northern Shaanxi
Author(s):
CHEN Zongli; ZHANG Xiangqian; LIU Shipeng; QI Xiangying; CHAO Chenyang; GUO Yuan 
（Shaanxi Key Laboratory of Chinese Jujube，College of Life Science，Yan’an University，Yan’an，Shaanxi 716000）
Keywords:
Jujube from Northern Shaanxi; polysaccharide content; ultrasonic assisted extraction technology; ultraviolet-visible spectrophotometry
PACS:
-
DOI:
10.11937/bfyy.201517029
Abstract:
With Yanchuan-produced jujube (Damuzao) as raw materials，optimize technology conditions of extraction jujube polysaccharide were studied with using the ultrasound assisted methods by orthogonal experimental design；polysaccharide content of 25 varieties，27 jujube samples were analyzed to screen out the optimization technology combinating with ultraviolet-visible spectro-photometry.The results showed that the optimum process conditions of extracted jujube polysaccharide by ultrasonic assisted were ultrasonic power of 28 Hertz，solid-liquid ratio of 1∶40 g/mL，extracting temperature of 60℃，extracting time of 40 min and pH 7.0.The anverage pure polysaccharide content was 220.18±52.87 mg/g in 27 sample date powder.F test indicated that polysaccharide content among these jujube cultivars there were extremely significant differences，the highest and the lowest polysaccharide content discrepancy reach 2.38 times.The jujube mill ‘Damuzao’,‘Goutouzao’and‘Jinzao’were local fine varieties with high polysaccharide content and the jujube mill‘Xuezao’was a daptive improved varieties of higher polysaccharide content introduced for many yeas；these jujube varieties are optimizing parent of locally grown and quality breeding.These researched results provided scientific basis for the development and utilization of Northern Shaanxi jujube polysaccharide and variety improving and planting.

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Last Update: 2015-10-10