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Study on Extraction Process and Content of Salicylic Acid from Rubus cratacgifolius(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年16期
Page:
127-130
Research Field:
Publishing date:

Info

Title:
Study on Extraction Process and Content of Salicylic Acid from Rubus cratacgifolius
Author(s):
ZHAO Wei-wei; LI Ai-min; ZHANG Zheng-hai; ZHANG Yue; CHEN Xiao-dan
Institute of Specialty,Chinese Academy of Agricultural Sciences,Changchun,Jilin 130112
Keywords:
Rubus cratacgifolius; salicylic acid; extraction process
PACS:
S663.2
DOI:
-
Abstract:
Taking Rubus cratacgifolius as material,the extraction conditions of the free and bound salicylic acid in Rubus cratacgifolius were optimized by orthogonal test.The results showed that the best extraction conditions for free salicylic acid were:acetonitrile as the extraction solvent and adding phosphate,ultrasound 15 min;for bound salicylic acid were diehyl ether as the extraction solvent and adding phosphate,ultrasound 15 min.The free and bound salicylic acid displayed similar trends in Rubus cratacgifolius shoots or fruits (r=0.868**and 0.986**);the salicylic acid content of new shoots shown a higher levels (1.179 mg/g) before flowering,and declined gradually from flowering period to fruit development period (Chinese white olive period),increased gradually from coloring to fully mature period,and a sharp rise after picking the fruit in mid-August (1.434 mg/g).In a word,the salicylic acid content of fruit decreased in the whole growth period,and showed higher level than mature period.

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Last Update: 2014-09-26