Metabolomic Fingerprinting of the Volatiles in Different Parts of Streptocaulon sylvestre

ABSTRACT

The phytometabolomic fingerprinting of polar and nonpolar fractions of flower, leaf, stem, and root of Streptocaulon sylvestre obtained by gas chromatography-mass spectrometry (GC-MS) were subjected to multivariate analysis. Data revealed eight discrete yet partially coinciding metabolomic profiles. Squalene and sitosterol were the most abundant. Additionally, a vast array of pharmacologically active volatiles were identified, including several phenolic compounds. High metabolomic similarity was found between leaf polar fraction and flower nonpolar fraction (0.822), while the leaf nonpolar fraction and root polar fraction demonstrated the highest dissimilarity (−0.455).

KEYWORDS:

• Gas chromatography-mass spectrometry
• multivariate statistics
• volatiles

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