The matrix-adapted method shows a systematic divergence,
when the model-matrix differs from the sample matrix. The trueness
of the quantification results depends on the similarity of the
matrices. In principle, the corresponding model-matrix for each
examined sample or at least for each type of food (for example
boiled sausages) would be needed. This is reflected in the extreme
underestimation of the sesame content in boiled sausages and
muffin dough using breadcrumbs as model-matrix