Weather Conditions Influence on Hyssop Essential Oil Quality

Aćimović, Milica; Pezo, Lato; Zeremski, Tijana; Lončar, Biljana; Jeromela, Ana Marjanović; Jeremić, Jovana Stanković; Cvetković, Mirjana; Sikora, Vladimir; Ignjatov, Maja

doi:10.3390/pr9071152

Cited by 16 publications

(8 citation statements)

References 61 publications

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“…Even though there are several classifications of N. nuda chemotypes with monoterpene and sesquiterpene dominant or nepetalactones-rich and nepetalactones-poor groups, this is the first study including all data available via online scientific databases applied for constructing an unrooted cluster tree (Figure 3), to demonstrate the differences between groups. This model was previously successfully applied to Hyssopus officinalis [39], Helichrysum italicum [40] and Marrubium vulgare [41].…”

Section: Discussionmentioning

confidence: 99%

Volatile Compounds of Nepeta nuda L. from Rtanj Mountain (Serbia)

et al. 2022

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Unlike other studies that only determined the chemical composition of essential oils depending on their geographic origin, this research investigated the effect of weather conditions (temperature, precipitation, and insolation) on the chemical composition of Nepeta nuda L. essential oil. The collection of wild-growing N. nuda was carried out during three successive years, 2019, 2020, and 2021 at Rtanj Mountain (Serbia) on the same date (July 7th). Essential oil extraction from the plant was performed by hydro-distillation. After gas chromatographic-mass spectrometric analysis, a total of 102 volatile compounds were separated from N. nuda, during the observed period, 28 were unidentified, compromising between 5.0% and 8.7%, depending on the year. A multiple linear regression model was created, and statistical analyses were performed to provide knowledge about the prediction, feature profile, and the similarity in contents of active compounds of the N. nuda essential oil. The influence of temperature on the accumulation of the most abundant component, 1,8-cineole, was positive, while the impact of precipitation and insolation was negative. According to the cluster tree, there are four chemotypes of N. nuda essential oil: with nepetalactone, 1,8-cineole, mixed (nepetalactone+1,8-cineole+germacrene D), and nonspecific chemotypes. Bearing in mind that the biological activity of a raw material depends on the chemotype and environmental factors, this is a topic that deserves a more detailed approach. The N. nuda and its essential oil are promising materials with high biological potential, and these deserve further detailed investigation.

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Section: Discussionmentioning

confidence: 99%

Volatile Compounds of Nepeta nuda L. from Rtanj Mountain (Serbia)

et al. 2022

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“…Basic chemical properties of the soil where L. x intermedia was cultivated were determined before establishing the experiment (October 2014) in samples of the top layer (0 to 40 cm) and are shown in Table 1. The soil samples were analysed at the Agriculture Extension Service Novi Sad, following standardized methods adopted in Serbia [39].…”

Section: Soil Characteristicsmentioning

confidence: 99%

Weather Conditions Influence on Lavandin Essential Oil and Hydrolate Quality

et al. 2022

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Lavandula sp. essential oil and hydrolate are commercially valuable in various industry branches with the potential for wide-ranging applications. This study aimed to evaluate the quality of these products obtained from L. x intermedia cv. ‘Budrovka’ for the first time cultivated on Fruška Gora Mt. (Serbia) during three successive seasons (2019, 2020, and 2021). Essential oil extraction was obtained by steam distillation, and the composition and influence of weather conditions were also assessed, using flowering tops. The obtained essential oils and hydrolates were analysed by gas chromatography with a flame ionization detector (GC-FID) and gas chromatography coupled to mass spectrometry (GC-MS). A linear regression model was developed to predict L. x intermedia cv. ‘Budrovka’ essential oil volatile compound content and hydrolate composition during three years, according to temperature and precipitation data, and the appropriate regression coefficients were calculated, while the correlation analysis was employed to analyse the correlations in hydrolate and essential oil compounds. To completely describe the structure of the research data that would present a better insight into the similarities and differences among the diverse L. x intermedia cv. ‘Budrovka’ samples, the PCA was used. The most dominant in L. intermedia cv. ‘Budrovka’ essential oil and hydrolate were oxygenated monoterpenes: linalool, 1,8-cineole, borneol, linalyl acetate, and terpinene-4-ol. It is established that the temperature was positively correlated with all essential oil and hydrolate compounds. The precipitations were positively correlated with the main compounds (linalool, 1, 8-cineole, and borneol), while the other compounds’ content negatively correlated to precipitation. The results indicated that Fruška Gora Mt. has suitable agro-ecological requirements for cultivating Lavandula sp. and providing satisfactory essential oil and hydrolate.

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“…The phylogenetic cluster tree for DMEO was estimated and drawn using R software 4.0.3, as it is previously described for essential oil of white horehound [ 54 ], immortelle [ 55 ], hyssop [ 56 ], naked catmint [ 57 ], and sweet wormwood [ 58 ].…”

Section: Discussionmentioning

confidence: 99%

Chemical Composition, Antioxidant, and Antimicrobial Activity of Dracocephalum moldavica L. Essential Oil and Hydrolate

Aćimović

Šovljanski

Šeregelj

et al. 2022

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Steam distillation was used for the isolation of Dracocephalum moldavica L. (Moldavian dragonhead) essential oil (DMEO). This aromatic herbaceous plant is widespread across the Northern Hemisphere regions and has been utilized in health-improving studies and applications. In addition to the DMEO, the hydrolate (DMH), a byproduct of the distillation process, was also collected. The DMEO and DMH were analyzed and compared in terms of their chemical composition, as well as their in vitro biological activities. The main component in DMEO was geranyl acetate, while geranial was dominant in DMH. The DMEO demonstrated better antioxidant and antimicrobial activities compared with the DMH against Staphylococcus aureus, Escherichia coli, Salmonella Typhimurium, and Listeria monocytogenes, which represent sources of food-borne illness at the global level. The DMEO and DMH show promise as antioxidant and antimicrobial additives to various products.

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Weather Conditions Influence on Hyssop Essential Oil Quality

Cited by 16 publications

References 61 publications

Volatile Compounds of Nepeta nuda L. from Rtanj Mountain (Serbia)

Volatile Compounds of Nepeta nuda L. from Rtanj Mountain (Serbia)

Weather Conditions Influence on Lavandin Essential Oil and Hydrolate Quality

Chemical Composition, Antioxidant, and Antimicrobial Activity of Dracocephalum moldavica L. Essential Oil and Hydrolate

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