( ( When ( foods ( are consumed ) ) ) ( , ( ( plaque bacteria ) ( ( metabolize ( sucrose ( and ( other ( fermentable ( dietary carbohydrates ) ) ) ) ) ) ( to ( ( organic acids ) ( which ( ( lower plaque ) pH. ) ) ) ) ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NNS foods)) (VP (VBP are) (VP (VBN consumed))))) (, ,) (NP (NN plaque) (NNS bacteria)) (VP (VBP metabolize) (NP (NN sucrose) (CC and) (JJ other) (JJ fermentable) (NN dietary) (NNS carbohydrates)) (PP (TO to) (NP (NP (JJ organic) (NNS acids)) (SBAR (WHNP (WDT which)) (S (NP (JJR lower) (NN plaque)) (VP (VBP pH.)))))))))
When foods are consumed, plaque bacteria metabolize sucrose and other fermentable dietary carbohydrates to organic acids which lower plaque pH.
(ROOT (S (NP (NNS Plants)) (ADVP (RB generally)) (VP (VB transport) (NP (NNS carbohydrates)) (PP (IN from) (NP (NP (NP (NNS leaves)) (PP (TO to) (NP (NNS roots)))) (CC and) (NP (NP (JJ other) (JJ nonphotosynthetic) (NNS organs)) (PP (IN in) (NP (NP (DT the) (NN form)) (PP (IN of) (NP (NN sucrose))))))))) (. .)))