( however ( , ( ( in ( whole ( human saliva ) ) ) ( , ( it ( ( has ( a ( ( weaker antibacterial ) effect ) ) ) . ) ) ) ) ) )
(ROOT (S (ADVP (RB however)) (, ,) (PP (IN in) (NP (JJ whole) (JJ human) (NN saliva))) (, ,) (NP (PRP it)) (VP (VBZ has) (NP (DT a) (ADJP (JJR weaker) (JJ antibacterial)) (NN effect))) (. .)))
however, in whole human saliva, it has a weaker antibacterial effect.
(ROOT (S (NP (NNP Human) (NNP lysozyme)) (VP (VBZ is) (NP (NP (DT an) (JJ antibacterial) (NN protein)) (VP (VBN found) (PP (IN in) (NP (NNS tears) (CC and) (NN saliva)))))) (. .)))