Hello, I'm an expert in the field of food additives and colorings. Let's dive into your question about Red 40 and Carmine.

English Answer:
Red 40, also known as Allura Red AC, is a synthetic azo dye commonly used in the food industry. It is identified by the number E129 in the European Union.
Carmine, on the other hand, is a natural red dye derived from the cochineal insect. While both are used as coloring agents, they are distinct substances. Red 40 is synthetic and is often used in a wide range of products due to its bright red color and stability.
Carmine is a more traditional coloring with a deeper, more natural tone and is often used in products where a natural ingredient is desired. They are not the same, but both can be used for coloring purposes in the food and cosmetics industries.

Chinese Translation:
您好，我是食品添加剂和色素领域的专家。让我们来探讨一下关于“Red 40”和“Carmine”的问题。

英文回答：
Red 40，也被称为Allura Red AC，是一种合成的偶氮染料，通常用于食品工业。在欧盟，它被标识为E129。另一方面，Carmine（胭脂红）是一种从胭脂虫中提取的天然红色染料。虽然两者都用作着色剂，但它们是不同的物质。Red 40是合成的，由于其鲜亮的红色和稳定性，经常用于广泛的产品中。Carmine是一种更传统的着色剂，具有更深、更自然的色调，通常用于那些需要天然成分的产品中。它们并不相同，但都可以在食品和化妆品行业中用作着色目的。

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On labels, carmine may also be listed as cochineal extract, crimson lake, natural red 4 and E120. Contrary to what some websites say, Red #40 (which is used in many processed sweets including Red Vines) is not derived from carmine. It's actually produced from coal.read more >>