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Jinyan Gu
Jiangsu University
4Publications
3H-index
21Citations
Publications 4
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#1Jinyan Gu (Jiangsu University)H-Index: 3
#2Haihui Zhang (Jiangsu University)H-Index: 11
Last.Yuanqing He (Jiangsu University)H-Index: 6
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Abstract To ascertain the preliminary structural characteristics and biological activity of different fractions of polysaccharides from Sagittaria sagittifolia L. (SPCs) by ultrasonic assisted extraction (UAE), four new polysaccharides (SPC-60, SPC-70, SPC-80 and SPC-90) were successively fractionated by ethanol. The results implied that except for neutral sugar, four contained proteins and uronic acids in their structure, which were further confirmed by the ultraviolet and infrared spectra. Mol...
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#1Jixian Zhang (Jiangsu University)H-Index: 6
#2Chaoting Wen (Jiangsu University)H-Index: 6
Last.Haile Ma (Jiangsu University)H-Index: 19
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Abstract In the present study, orthogonal experiment (L9 (3)4) was used to optimize the extraction process of Sagittaria sagittifolia L. polysaccharides (SSP) with subcritical water, and the antioxidant activities of polysaccharides were also investigated. The results showed that the optimum extraction conditions were obtained when pH, extraction temperature, extraction time, and liquid to solid ratio were 7, 170 °C, 16 min and 30:1 (mL/g), respectively. In addition, DPPH/ABTS radical scavenging...
4 CitationsSource
#1Jixian Zhang (Jiangsu University)H-Index: 6
#2Meng Chen (Jiangsu University)H-Index: 3
Last.Haile Ma (Jiangsu University)H-Index: 19
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Abstract In the present study, we obtained polysaccharides from Sagittaria sagittifolia L. (SSP) with subcritical water extraction (SWE). Two water-soluble polysaccharides (SSP-W1 and SSP-S1) from the acquired SSP were isolated with DEAE-52 and Sephadex G-100. Besides, the structural characteristics and immunostimulatory activity were also investigated. The results showed that both SSP-W1 and SSP-S1 were homogeneous polysaccharides and the molecular weight was 62.03 KDa and 15.2 KDa, respectivel...
4 CitationsSource
#1Jixian Zhang (Jiangsu University)H-Index: 6
#2Chaoting Wen (Jiangsu University)H-Index: 6
Last.Haihui Zhang (Jiangsu University)H-Index: 11
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Abstract In the present study, we investigated the effects of subcritical water microenvironment on the structure and biological activities of polysaccharides from Lentinus edodes. The results showed that, under different SWE conditions (100–150 °C for 15 min, and 150 °C for 10–30 min), all the polysaccharides were heteropolysaccharides and consisted of glucose, mannose and galactose with different molar ratios. In addition, FT-IR results showed that all samples were typical β-pyranose and prote...
13 CitationsSource
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