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Home > Archive>Volume 37, Issue 4, 2018 >380-384. DOI:10.3969/j.issn.1673-1689.2018.04.008
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In Vitro Binding of Lead by Soybean Soluble Polysaccharides
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    Abstract:

    Soybean soluble polysaccharides（SSPS），was evaluated for possible use as a kind of heavy metals adsorbent. In vitro binding of lead as affected by pH，contact time，metal concentration，and essential metals was carried out in a batch mode. The results indicated that the suitable range of pH was 4～6，lead binding isotherm was well described by Langmuir model at pH 5.5. Kinetics at low concentrations（25、50 mg/L） and high metal concentrations（100 mg/L） obeyed pseudo-first-order model and pseudo-second-order model，respectively. SSPS showed a higher selectivity toward Pb2+ than Zn2+ and Mg2+. Thus SSPS can be used as a safe detoxifying agent for Pb2+ which preventing the loss of essential metals（Zn2+ and Mg2+） successfully.

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TIAN Yueyue, HU Qinrui, KONG Xiangzhen, ZHANG Caimeng, HUA Yufei. In Vitro Binding of Lead by Soybean Soluble Polysaccharides[J]. Journal of Food Science and Biotechnology,2018,37(4):380-384.

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  • Online: June 08,2018
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