Fig. 2 – Contour plot for total polyphenol content (mg/mL chlorogenic acid equivalents) of aqueous extracts of mate bark as function of temperature ( ◦C) and time (min) of extraction.
Fig. 2 – Contour plot for total polyphenol content (mg/mLchlorogenic acid equivalents) of aqueous extracts of matebark as function of temperature (◦C) and time (min) ofextraction.