Rapid authenticity assessment of Brazilian palm kernel oils by mass spectrometry combined with chemometrics

First report on quality and purity assessment of sweet almond oil in Brazilian body oils by gas chromatography and mass spectrometry

“…HCA is a chemometric approach that has been used in different studies in conjunction with data obtained by mass spectrometry. Cruz et al 44 applied HCA to validate principal component analysis (PCA) results and facilitate the identification of relationships and patterns between samples using data obtained from ESI‐MS analysis of vegetable oils to visualize possible adulterations. Ruiz‐Samblás et al 45 used the TAG profiles of olive oil samples obtained by GC–MS to assess their similarity versus categories (extra virgin olive oil, virgin olive oil, olive oil, and olive pomace oil) through HCA.…”

“…HCA is a chemometric approach that has been used in different studies in conjunction with data obtained by mass spectrometry. Cruz et al 44 soybean, sunflower, coconut, and sweet almond oil using the TAG profile obtained by ASAP-MS. 19 Other studies also used PCA and mass spectrometry data to compare the composition of TAGs from Amazonian samples with common edible oils such as soybean, corn, coconut, and olive oils 46 In HCA, the height of fusion, provided on the vertical axis, indicates the distance between clusters on a dendrogram and consequently shows the level of dissimilarity between two samples. 47 For instance, the blend of 90% of soybean oil intentionally added to the sweet almond oil and pure soybean oil is side by side in the graph, forming a cluster at roughly 3% dissimilarity.…”