Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 143, Issue -, Pages 314-324Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2019.11.208
Keywords
Fuzi; Polysaccharide; Immunosuppressed
Funding
- National Natural Science Foundation of China [81603536]
- Science and Technology Fund from Chengdu University of Traditional Chinese Medicine [ZRQN1776]
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A water-soluble polysaccharide fraction named FZPS-1 was obtained from Radix Aconiti Lateralis Preparata (Fuzi in Chinese). Physicochemical and instrumental analyses indicated that the purified FZPS-1 with an average molecular weight of 6.29 x 10(6) Da was composed of D-arabinose and D-glucose with a molar ratio of 7.5:92.5. It would contain the main chain fragments of -> 4)-alpha-D-Glc-(1 -> 4)-alpha-D-Glc-(1 ->, with the side chain of terminal alpha-L-Ara-(1 -> linked at C6 of D-Glc skeleton. FZPS-1 exhibited significant antioxidative activity and immunomodulatory activity, wherein it promotes macrophage phagocytosis and increases the secretion of macrophagederived biological factors in RAW 264.7 cells, and a cyclophosphamide-induced immunosuppressed model in a dose-dependent manner. Oral administration of FZPS-1 ameliorated chronic diarrhea in rhubarb-induced spleen deficiency rats and was related to its immunomodulatory activity. Therefore, the obtained FZPS-1 could be potentially utilized as a natural immunomodulatory agent in functional food supplements or drugs. (C) 2019 Elsevier B.V. All rights reserved.
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