The experiment makes crude protein fiber a pretreatment with ferrousion. It can increase whiteness and reduce the damage effectively as well.
通过实验利用二价铁离子对天然有色蛋白质纤维进行预处理，可以有效的降低损伤，提高白度。
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"Strong positive correlations were found between the intensity of fishy aftertaste and the concentration of both total iron and ferrousion," the researchers said in a statement.