( Nineteen ( ( ( saturated and ) ( unsaturated ( ( ( ( ( aliphatic ( fatty acids ) ) , ) ( ( ranging ( in ( carbon ( chain length ) ) ) ) ( from ( ( C2 to ) C18 ) ) ) ) , ) ( were detected ) ) ) ) . ) )
(ROOT (S (NP (NNP Nineteen)) (VP (VP (VBD saturated)) (CC and) (VP (VBD unsaturated) (SBAR (S (NP (NP (JJ aliphatic) (NN fatty) (NNS acids)) (, ,) (VP (VBG ranging) (PP (IN in) (NP (NN carbon) (NN chain) (NN length))) (PP (IN from) (NP (QP (CD C2) (TO to) (CD C18))))) (, ,)) (VP (VBD were) (VP (VBN detected))))))) (. .)))
Nineteen saturated and unsaturated aliphatic fatty acids, ranging in carbon chain length from C2 to C18, were detected.
(ROOT (S (NP (JJ Unsaturated) (NN fatty) (NNS acids)) (VP (VBP have) (NP (NN bent) (NNS chains))) (. .)))
Unsaturated fatty acids have bent chains.