Twilight Hue
Twilight, not bright nor dark, good nor bad.
So I paraphrased what is essentially the same thing.But it's not. You claimed there are several ESSENTIALS that are "just about or outright impossible to extract from plants".
That's categorically NOT what your source says. It explicitly lists the essentials as having alternative sources, and lists the ones without alternative sources as non-essential.
Read your own article.