by comparing exudation into a range chelator solutions with exudation into water , the increased exudation of phenylalanine and tyrosine relative to the other amino acids occurring when ethylene-diaminetetracetic acid was used , was considered to an artefact.in plants thought to be relying heavily on mobilisation of protein reserves to satisfy the nitrogen requirements of the grain , the major amino acids present in flag-leaf phloem exudate were glutamate , aspartate , serine , alanine and glycine .
C0002520
amino acids
C0001898
alanine