Extraction optimization, preliminary characterization and immunological activities in vitro of polysaccharides from Elaeagnus angustifolia L. pulp

Copyright © 2016 Elsevier Ltd. All rights reserved..

In this research, extraction optimization, preliminary characterization and immunological activities in vitro of polysaccharides from Elaeagnus angustifolia L. pulp were investigated. A response surface methodology (RSM) with a Box-Behnken design (BBD) was used to optimize the extraction process. The maximum EAP yield was 9.82±0.38%, which is in good agreement with the predicted value (9.93±0.24%). Two homogeneous polysaccharides, EAP-1a and EAP-1b with molecular weights of 8.70kDa and 4.39kDa respectively, were prepared by DEAE-52 cellulose and Sephadex G-100 columns and characterized by HPLC, HPGPC, and FT-IR. Three polysaccharides (EAP, EAP-1a and EAP-1b) could stimulate macrophages to release NO and enhance phagocytic activities of RAW 264.7 cells in dose-dependent manner. Moreover, there was no significant difference between crude EAP group (400μg/mL) and positive control group (LPS) in effects on macrophages. The results implied that EAP had the potential to be developed as natural medicines or health foods.

Medienart:

E-Artikel

Erscheinungsjahr:

2016

Erschienen:

2016

Enthalten in:

Zur Gesamtaufnahme - volume:151

Enthalten in:

Carbohydrate polymers - 151(2016) vom: 20. Okt., Seite 348-357

Sprache:

Englisch

Beteiligte Personen:

Du, Hongtao [VerfasserIn]
Chen, Juncheng [VerfasserIn]
Tian, Shan [VerfasserIn]
Gu, Hongling [VerfasserIn]
Li, Na [VerfasserIn]
Sun, Yao [VerfasserIn]
Ru, Jiajia [VerfasserIn]
Wang, Junru [VerfasserIn]

Links:

Volltext

Themen:

9014-76-0
Characterization
Dextrans
Elaeagnus angustifolia L. pulp
Immunological activities
Journal Article
Optimized extraction
Polysaccharides
Sephadex

Anmerkungen:

Date Completed 30.01.2018

Date Revised 07.04.2018

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1016/j.carbpol.2016.05.068

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM262961997