香蕉皮不溶性膳食纤维对Cd2+的吸附研究
Journal of Zhangzhou Teachers College(Natural Science Edition)(2015)
Abstract
研究香蕉皮不溶性膳食纤维在模拟人体胃、肠环境下对Cd2+的吸附,考察了干燥方式、粒径、添加量和时间对香蕉皮不溶性膳食纤维吸附Cd2+的影响.结果表明,Cd2+在肠环境中的吸附效果要好于胃,冷冻干燥法获得的不溶性膳食纤维吸附效果更好;不溶性膳食纤维粒径越小,对Cd2+的吸附量越大;最佳的不溶性膳食纤维添加量为0.5g;随着吸附时间的延长,Cd2+吸附量越大,在模拟胃、肠环境下达到平衡的时间分别为5h,7h.
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