In 1950, many children became ill after eating Halloween candy containing Orange No. 1 dye, and the F. D. A. banned it after more rigorous testing suggested that it was toxic.

1950年，很多儿童因为吃了含橙色1号色素的万圣节糖果而生病，经过更严格的测试表明这种色素有毒后食品与药物管理局禁止了它的使用。

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As a result, after coating, both fabrics dyed with Acid Orange 7, Reactive Red KD-8B or Direct Red f, their fastness in particular sunlight fastness was improved greatly.

试验结果表明，经复合膜整理后，无论用酸性橙7、活性红kd 8b，还是直接红f染色的两种织物，色牢度特别是日晒牢度均有较大改善。

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