Structural analysis and immunoregulation activity comparison of five polysaccharides from Angelica sinensis

Junmin Wang, Beilei Ge, Zihong Li, Fangxia Guan, Feifei Li

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Four fractional polysaccharides (CAPS30, CAPS50, CAPS70 and CAPS80) and total polysaccharides (CAPSt) were obtained from Angelica sinensis. Their structures were identified by Fourier transform-infrared spectroscopy (FT-IR), molecular weights were evaluated by high performance gel permeation chromatography (HPGPC) and compositions were analyzed by gas chromatography-mass spectrometry (GC-MS). Their immunoregulation activities were further compared in vitro. The results showed that they displayed different structural features and immuno-enhancement activities. They all could cause the proliferation of the lymphocyte, up-regulate stimulate the productions of IFN-γ, IL-2, IL-6 and TNF-α secretion in the peripheral lymphocytes. Further experiments showed that CAPS50 and CAPS70 could increase the ratio of CD3+CD56+ cells to some extent. These indicated that five CAPSs displayed different activities which were associated with their different structural characteristics and CAPS70, with the molecular weights of 20.82 kDa and consisting of mannose and glucose in the molar ratio of 1.20:1.01, possessed the strongest immuno-enhancement activity.

Original languageEnglish (US)
Pages (from-to)6-12
Number of pages7
JournalCarbohydrate Polymers
Volume140
DOIs
StatePublished - Apr 20 2016
Externally publishedYes

Fingerprint

Lymphocytes
Polysaccharides
Structural analysis
Molecular weight
Gel permeation chromatography
Mannose
Gas chromatography
Interleukin-2
Fourier transform infrared spectroscopy
Mass spectrometry
Glucose
Interleukin-6
Chemical analysis
Experiments

Keywords

  • Angelica sinensis polysaccharides
  • Immunoregulation
  • Structural analysis

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

Structural analysis and immunoregulation activity comparison of five polysaccharides from Angelica sinensis. / Wang, Junmin; Ge, Beilei; Li, Zihong; Guan, Fangxia; Li, Feifei.

In: Carbohydrate Polymers, Vol. 140, 20.04.2016, p. 6-12.

Research output: Contribution to journalArticle

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AU - Li, Feifei

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