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Effects of solution behavior on polysaccharide structure and inhibitory of α-glucosidase activity from Cordyceps militaris

Published on Feb 1, 2019in Journal of Molecular Structure2.12
· DOI :10.1016/j.molstruc.2018.10.057
Qiaoying Song1
Estimated H-index: 1
(Tianjin University of Science and Technology),
Zhen-Yuan Zhu13
Estimated H-index: 13
(Tianjin University of Science and Technology)
+ 2 AuthorsDan-Yang Wang1
Estimated H-index: 1
(Tianjin University of Science and Technology)
Abstract
Abstract Crude polysaccharide of Cordyceps militaris was obtained by hot water extraction, Sevag deproteinization and alcohol precipitation, and then purified by Sephadex G-200 column chromatography. The extraction purified was named as CPS. The effects of pH, Ca 2+ and DMSO on the structure of the CPS were analyzed by HPLC, Congo red assay, circular dichroism spectra and Atomic force microscopy (AFM) respectively. The results showed that the great changes of the retention time, spatial structure, molecular asymmetry and surface morphology of CPS have taken place. The inhibition rate of α-glucosidase of CPS treated by different solutions was reduced, which illustrated that the advanced structure of CPS affected its α-glucosidase inhibitory activities.
  • References (19)
  • Citations (2)
References19
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View next paperA study on Cordyceps militaris polysaccharide purification, composition and activity analysis