天然低共熔溶剂对坛紫菜中重金属的去除效果及对其品质的影响

杨茜 徐永强 臧园园 陈志刚

杨茜, 徐永强, 臧园园, 陈志刚. 天然低共熔溶剂对坛紫菜中重金属的去除效果及对其品质的影响[J]. 食品工业科技, 2021, 42(1): 217-226. doi: 10.13386/j.issn1002-0306.2020030186
引用本文: 杨茜, 徐永强, 臧园园, 陈志刚. 天然低共熔溶剂对坛紫菜中重金属的去除效果及对其品质的影响[J]. 食品工业科技, 2021, 42(1): 217-226. doi: 10.13386/j.issn1002-0306.2020030186
YANG Xi, XU Yong-qiang, ZANG Yuan-yuan, CHEN Zhi-gang. Removal of Natural Deep Eutectic Solvents on Heavy Metals in Porphyra haitanensis and Its Effects on Its Quality[J]. Science and Technology of Food Industry, 2021, 42(1): 217-226. doi: 10.13386/j.issn1002-0306.2020030186
Citation: YANG Xi, XU Yong-qiang, ZANG Yuan-yuan, CHEN Zhi-gang. Removal of Natural Deep Eutectic Solvents on Heavy Metals in Porphyra haitanensis and Its Effects on Its Quality[J]. Science and Technology of Food Industry, 2021, 42(1): 217-226. doi: 10.13386/j.issn1002-0306.2020030186

天然低共熔溶剂对坛紫菜中重金属的去除效果及对其品质的影响

doi: 10.13386/j.issn1002-0306.2020030186
基金项目: 

江苏农业产业技术体系(JATS-2019-442);江苏省高等学校优势学科建设项目(080-820830)。

详细信息
    作者简介:

    杨茜(1994-),女,硕士研究生,研究方向:农产品加工,E-mail:2017108007@njau.edu.cn。

    通讯作者:

    陈志刚(1971-),男,博士,教授,研究方向:农产品加工,E-mail:zgchen@njau.edu.cn。

  • 中图分类号: TS201.2

Removal of Natural Deep Eutectic Solvents on Heavy Metals in Porphyra haitanensis and Its Effects on Its Quality

  • 摘要: 天然低共熔溶剂(natural deep eutectic solvents,NADESs)是一种绿色溶剂。本文制备了2类28种NADESs,旨在研究利用NADESs去除坛紫菜中Pb、Cd、Cr、As和Cu五种重金属,并对去除条件进行优化,同时探究去除过程中对坛紫菜品质的影响。结果表明,与对照纯水相比,NADESs对重金属的去除率均明显提高,Pb、Cd、Cr、As和Cu的去除率分别为17.40%~87.54%、57.54%~100.00%、9.80%~48.59%、21.32%~78.24%和11.68%~79.73%。NADESs去除坛紫菜中重金属的最佳条件是含水量(v/v)为10%,固液比为1:20。此外,添加20%(v/v)的天然表面活性剂阿拉伯胶(arabic gum,AG,浓度1%)可以进一步提高NADESs的重金属去除率。在重金属去除过程中,不同基质的NADESs会对坛紫菜品质造成不同的影响,与对照组水相比,坛紫菜中可溶性蛋白含量在经过洗脱后显著降低(P<0.01),多糖和脂肪无显著变化,NADESs不会对紫菜的感官品质产生影响,对质构的影响主要是弹性降低。由此,本研究首次建立了一种绿色有效地去除坛紫菜中重金属的方法,丰富了NADESs在食品中的应用,也为其它食品中重金属的去除提供了新思路。
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  • 收稿日期:  2020-03-16

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