Assessing the kinetic model of hydro-distillation and chemical composition of Aquilaria malaccensis leaves essential oil was written by Samadi, Mahtab;Abidin, Zurina Zainal;Yunus, Robiah;Biak, Dayang Radiah Awang;Yoshida, Hiroyuki;Lok, Eng Hai. And the article was included in Chinese Journal of Chemical Engineering in 2017.HPLC of Formula: 5444-75-7 The following contents are mentioned in the article:
This study aimed to model the kinetic of hydro-distillation of Aquilaria malaccensis leaves oil in order to understand and optimize the extraction process. In addition, this study, for the first time, aimed to identify the chem. compositions of the A. malaccensis leave-oil. By assessing both first-order kinetic model and the model of simultaneous washing and diffusion, the result indicated that the model of simultaneous washing and diffusion better described the hydro-distillation mechanism of the essential oil from A. malaccensis leaves. The optimum time, solid to liquid ratio and the heating power for extracting the highest amount of essential oil were found to be around 3 h, 1:10 (g · ml-1) and 300 W, resp. Yellow essential oil with a strong smell and a yield of 0.05 v/w was extracted by hydro-distillation Clevenger apparatus Chem. compounds of the essential oil were analyzed using gas chromatog.-mass spectroscopy (GC/MS), which resulted in identification of 42 compounds that constitute 93% of essential oil. Among the identified components, Pentadecanal (32.082%), 9-Octadecenal, (Z) (15.894%), and Tetradecanal (6.927%) were the major compounds Considering the fact that all the identified major components possessed pesticidal properties, A. malaccensis leaves could be regarded as a promising natural source for producing pesticides. This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7HPLC of Formula: 5444-75-7).
2-Ethylhexyl benzoate (cas: 5444-75-7) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.HPLC of Formula: 5444-75-7
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics