AI Article Synopsis
- The study found that fresh samples of the plant yielded more essential oil (EO) compared to shade-dried ones, with higher salt concentrations and a basic pH leading to better EO yields.
- Gas Chromatography analyses revealed that Eugenol and β-myrcene were the main components, with Eugenol peaking at 10% salt and decreasing at lower pH levels, while β-myrcene was highest at a pH of 4.
- The study's hydro distillation process highlighted variations in EO composition across 14 time-framed fractions, showing that phenylpropanoids and acyclic monoterpenes were dominant, which could help meet market demands and enhance EO's commercial value.
Article Abstract
The study examined the effects of herb drying, salt concentration, pH, and sampling approach on essential oil yield and composition in (L.) Merr. Fresh samples yielded higher essential oil (EO) (1.25%) than shade-dried ones. Increasing NaCl concentration correlated with higher EO yields, while a basic pH favoured superior yields. Gas Chromatography identified Eugenol and β-myrcene as primary constituents. Eugenol content peaked at 10% NaCl (56.429%) and was lowest at pH 4 (42.850%). β-myrcene content was highest at pH 4 (31.476%). Hydro distillation with systematic sampling evaluated the effects of 14 fractions in different time frames. Phenylpropanoids (mainly eugenol) and acyclic monoterpene (mainly β-myrcene) dominated all fractions, with cyclic monoterpene (mainly limonene) enriched in the first four fractions. Fractions 10 to 14 showed significant increases in eugenol compared to the control. These findings provide insights for meeting market demands, enhancing the commercial potential of EO.
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| http://dx.doi.org/10.1080/14786419.2024.2390607 | DOI Listing |
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