However, it should be noted that choosing to maximize
polyphenol yields using high dilution aqueous extraction
techniques requires significantly greater energy inputs
(through solvent heating during extraction and postextraction
solvent removal) as a consequence of the high
heat capacity (J/g/K) of water which is approximately double
that of commonly utilized organic solvents (H2O = 4.18,
acetone = 2.17, methanol = 2.53, ethanol = 2.44) (Cracolice and
Peters, 2009). Therefore, depending on the specific purpose
and volume of material to be processed, an appropriate waterto-
leaf ratio can be selected. From the findings of this study,
a ratio of 100:1 mL/g is suggested for identifying the composition
of the papaya leaf; whereas, a ratio of 100:7.5 mL/g is
recommended for preparing powder for further utilization.