“…The main countries producing pyroligneous extracts are Japan, China, Indonesia, Malaysia, Brazil and Chile, including others in Southeast Asia and South America (Mueller et al, 2021). To date, there is no standardization in quality control in the production of extracts, and there is no definition in the specification of the components and technology to be used, however, some parameters are recommended such as colour, odour, transparency, pH and density to obtain a product with acceptable quality (Campos, 2018).…”