The Most Frequently Encountered Volatile Contaminants of Essential Oils and Plant Extracts Introduced During the Isolation Procedure: Fast and Easy Profiling

Abstract

A database of the most common semi-volatile contaminants of essential oils and plant extracts has been generated that provides information on the likelihood of rejection or acceptance of contaminants as possible plant constituents. The suggested average mass scan approach enables fast and easy profiling of solvents, allowing even inexperienced researchers to pinpoint contaminants.

Study of the repartition of phthalate esters during distillation of wine for spirit production

“…DBP behaviour was similar to those components that are carried over by the water vapour, as most of the volatile compounds during the hydrodistillation process for essential oil production (Léauté, 1990). On the other hand, PAEs were already found as contaminants in essential oils obtained through hydrodistillation, thus confirming that this process is able to carry over and concentrate them during distillation (Di Bella, Saitta, Lo Curto, Salvo, Licandro, & Dugo, 2001;Ricking, Schwarzbauer, & Franke, 2003;Song et al, 2007;Maltese, van der Kooy, & Verpoorte, 2009;Radulović & Blagojević, 2012;Firouzi, Gohari, Rustaiyan, Larijani, & Saeidnia, 2013;Manayi, Saeidnia, Shekarchi, Hadjiakhoondi, Shams Ardekani, & Khanavi, 2014a;Manayi, Kurepaz-mahmoodabadi, Gohari, Ajani, & Saeidnia, 2014b;Wu, Wang, Liu, Zou, & Chen, 2015).…”

New esters from the essential oil of dry flowers of elder (Sambucus nigra L.)

“…The greatest variety of elderflower volatiles was identified by Bajer et al 27 ; however, a number of these compounds are obvious contaminants (2,6-bis(1,1-dimethylethyl)-4-(1-oxopropyl)phenol, N, N-dimethyldodecylamine, etc.). 33 Work by Ağalar et al, 26 Szymański et al 30 and Vujanović et al 31 regrettably suffers from similar inaccuracies. Basas-Jaumandreu and de las Heras 32 found 196 different compounds in a lipid extract of elderflowers; the majority of these can be considered volatiles and also occur in the elderflower essential oil.…”

“…; however, a number of these compounds are obvious contaminants (2,6‐bis(1,1‐dimethylethyl)‐4‐(1‐oxopropyl)phenol, N , N ‐dimethyldodecylamine, etc .) 33 . Work by Ağalar et al ., 26 Szymański et al 30 .…”