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https://doi.org/10.1021/acs.jafc.5b00494

has been cited by the following article:

• TITLE: Morphology and Thermal Characteristics of Polysaccharide Extracted by Ultrasound from Ophiopogon japonicas

  AUTHORS: Xiaomei Wang, Tianzhu Zhang, Wenfei Zhang, Miao Wang, Dapeng Hao, Qi Ding

  KEYWORDS: Ultrasonic Extraction, Polysaccharide, Thermal Analysis, Environmental Scanning Electron Microscopy (ESEM)

  JOURNAL NAME: American Journal of Plant Sciences, Vol.9 No.8, July 31, 2018

  ABSTRACT: The crude polysaccharide UPOJ was extracted by ultrasound from Ophiopogon japonicas and purified by DEAE-cellulose52 column and Sephadex G-150 gel column. Purified polysaccharide UPOJ-DS was obtained. The thermal characteristics of UPOJ-DS were studied by using the thermal analysis system Q1000DSC LNCS FACS Q600SDT. The heating rate was 10°C/min and the test temperature was 20°C ~ 800°C. The results showed that there were three large mass losses in the process of heating, in which the maximum weight loss rate was 66.68% at 220°C ~ 330°C and the decomposition reaction took place in the polysaccharide itself, which indicated that the composition, water content, intermolecular interaction and aggregation behavior of UPOJ-DS were affected by temperature. The surface morphology of UPOJ-DS was observed by environmental scanning electron microscope (ESEM). The results indicated that the polysaccharide molecules were lamellar or clastic, with smooth surface, strong intermolecular interaction and close binding.