{HEAD ~ The infusion liquid} contains sugars, amino acids, electrolytes and {TAIL ~ a fat emulsion} at a specific mixing ratio and has a specific pH value and a titratable acidity 
contains
{ HEAD ~ The infusion liquid } contains sugars , amino acids , electrolytes and { TAIL ~ a fat emulsion } at a specific mixing ratio and has a specific pH value and a titratable acidity
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH