In the last decades, the concept “green” acquired a new significance
in chemistry. The definition of sustainable development and
green chemistry changed the way of thinking processes and methods.
A critical issue is to look for an alternative to traditional solvents
due to their low biodegradability, high toxicity and cost. After years
of intense research, trying different mixtures with diverse compounds,
a spark of light emerged from nature: in 2011 Choi coined
the term Natural Deep Eutectic Solvents for this mixtures