The carbohydrates have a synergistic activity on promoting {HEAD ~ bifidobacteria} in {TAIL ~ the intestine} 
in
The carbohydrates have a synergistic activity on promoting { HEAD ~ bifidobacteria } in { TAIL ~ the intestine }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL