> and the underlying natural product (eg. beetroots) Ah, I'm reading that as the process of extracting the color—and not also extracting the pesticides and he

> and the underlying natural product (eg. beetroots) Ah, I'm reading that as the process of extracting the color—and not also extracting the pesticides and herbicides-requires processing that may itself be similar to what happens with the 'artificial' dyes. That seems defensible, and it's a process that only occurs for the dye and not the associated natural product.