poachpodpoipollardspolymerpolysaccaridepolyunsaturatedpomegranatepoorpopulationporkporosityportionpost harvestpotassium bromatepotatopotentiatiorpoultrypowderppmprebioticpreliminarypresencepresentpreservationpreservativepressure filler cookerprimary ripeningprobioticprobiotic foodprocessproductive protein valueproenzymeprolactinprolongingpropertyproteinprotein breakdownprotein efficiency rateprotein efficiency ratioprotein quality indexprotein retention efficiencyprotein valueproximatepsychropilepsychrotrophpufapurepureepurpose