Essential Oil Composition of Three Cultivated<i>Thymus</i>Chemotypes from Hungary

Horváth, Györgyi; Szabó, László; Héthelyi, Éva B.; Lemberkovics, Éva

doi:10.1080/10412905.2006.9699101

Cited by 37 publications

(25 citation statements)

References 16 publications

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“…In our study this content ranged from 49.9% to 59.2% and was comparable with that determined by Zawiślak (2007), Galambosi et al 2002, andMarzec et al (2010). Asllani and Toska (2003) found it at the lower level (23.1%-50.1%) in Albanian thyme, Horváth et al (2006) in herbs from Hungary (40,5%) and Badi et al (2004) in essential oil from thyme grown in Iran (36% -45%). The chemical composition of thyme's essential oil depends upon several factors, such as environment of growing (Galambosi et al 2002), development stage (Hudaib et al, 2002) and chemotypes (Thompson et al, 2003).…”

Section: Resultsmentioning

confidence: 95%

YIELD AND HERB QUALITY OF THYME (Thymus vulgaris L.) DEPENDING ON HARVEST TIME

Król¹,

Kiełtyka-Dadasiewicz²

2015

Turkish Journal of Field Crops

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Thyme (Thymus vulgaris L) is a medical and aromatic plant intensively used in pharmaceutical, food, and cosmetic industries. Our investigations carried out in 2010-2011 were focused on effect of harvest time on yield and herb quality of two thyme cultivars ('Słoneczko' and 'Deutscher Winter'). Plants were harvested in the first year of cultivation in three periods: 140, 160, and 180 days after sowing (i.e. in the third decade of August, second decade of September and first decade of October). The study showed that harvesting time had a significant effect on the yield and quality of thyme. The delayed harvesting resulted in increased plant height and their mass but decreased quality of herb (lesser quantity of essential oil and thymol). The optimal time of harvest appeared to be 160 days after sowing (i.e. in the second decade of September. Harvest in this time ensured fairly good yield of herb and high its quality. The weather conditions prevailing during the vegetation period had a substantial effect on the yield and quality of herb. The 'Deutscher Winter' cultivar produced higher yields in favourable weather conditions, whereas the 'Słoneczko' cultivar exhibited a more stable yield in adverse atmospheric conditions.

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Section: Resultsmentioning

confidence: 95%

YIELD AND HERB QUALITY OF THYME (Thymus vulgaris L.) DEPENDING ON HARVEST TIME

Król¹,

Kiełtyka-Dadasiewicz²

2015

Turkish Journal of Field Crops

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“…Additionally, Thymus species are used in infusion form as medicinal plants because of their biological and pharmacological properties, which include expectorant, antiasthmatic, bronchiolytic, anti-septic, antispasmodic, analgesic, antimicrobial, and antioxidant (Gião et al, 2007;Mata et al, 2007;Pinto et al, 2006). It is believed that some of these beneficial activities are due to their volatile constituents and thus, their essential oil composition has been the focus of many investigations (Horvath, Szabo, Hethelyi, & Lemberkovics, 2006;Omidbaigi, Sefidkon, & Hejazi, 2005). In contrast, there are only a limited number of studies focusing the composition of other bioactive phytochemicals of Thymus plants, such as their phenolic compounds.…”

Section: Introductionmentioning

confidence: 99%

Simultaneous characterization and quantification of phenolic compounds in Thymus x citriodorus using a validated HPLC–UV and ESI–MS combined method

Pereira

Peres

Silva

et al. 2013

Food Research International

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Thymus x citriodorus is a Lamiaceae plant extensively cultivated in the Mediterranean region and used for centuries in culinary and in traditional medicine. The present work describes the detailed phenolic composition of T. x citriodorus for the first time, by means of HPLC-DAD, ESI-MS and MS n and nuclear magnetic resonance (NMR) analyses. The ethanolic extract of T. x citriodorus was analyzed by reversed phase HPLC. The method of analysis was also validated concerning its linearity, instrumental and method precision (for repeatability, immediate precision and intermediate precision) and accuracy (absolute recovery study). The technique was combined with electrospray mass spectrometry in order to identify the phenolic compounds and the structure of the main phenolics was also confirmed by NMR analysis. The in-house validated HPLC-DAD method showed good linearity for the tested reference compounds as well as satisfactory repeatability and immediate precision values, for both instrument and method. Furthermore, the satisfactory results of intermediate precision analysis and recovery assays indicated that the chromatographic method could be used to quantify the main phenolic compounds of T. x citriodorus with adequate precision and accuracy. The extract was rich in rosmarinic acid (10.4 ± 0.6 mg/g extract) that is a widespread phenolic acid in Thymus plants, but also in luteolin-7-O-α-glucuronide (12 ± 2 mg/g extract), that was herein reported in Thymus for the first time. Other novel compounds comprised one eriodictyol dihexoside with O-glycosidic linkages, two eriodictyol-O-monohexosides, one quercetagetin dimethyl ether-O-hexoside, one naringenin-O-hexoside and chrysoeriol-7-β-O-glucoside. Having in mind the health-promoting properties reported in literature for some of the main polyphenols found in T. x citriodorus, we suggest that this plant has a high potential for being used as a functional food.

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“…The composition of oil of T. vulgaris from different countries has been studied by several authors (3)(4)(5)(6). It is composed mainly of monoterpene and sesquiterpene hydrocarbons and their oxygen derivates.…”

Section: Introductionmentioning

confidence: 99%

Seasonal Variation of Essential Oil Yield and Composition of Thyme (Thymus vulgarisL.) Grown in Castilla—La Mancha (Central Spain)

Arraiza

Andrés

Arrabal

et al. 2009

Journal of Essential Oil Research

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Links between phenology, yield and composition of the essential oil of common thyme, Thymus vulgaris L., grown in Guadalajara (Central Spain) were determined in the different phases of the biological cycle during one year. Data showed an average yield of about 2%. The analysis of the oil components was carried out by GC-FID and GC/MS. The main oil constituents were thymol (36.3-47.5%), p-cymene (13.0-27.8%) and g-terpinene (5.3-16.2%), which is in accord with a thymol chemotype. The highest yield of oil was obtained in the period of full flowering and the highest concentration of thymol in the period of initial flowering.

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Essential Oil Composition of Three CultivatedThymusChemotypes from Hungary

Cited by 37 publications

References 16 publications

YIELD AND HERB QUALITY OF THYME (Thymus vulgaris L.) DEPENDING ON HARVEST TIME

YIELD AND HERB QUALITY OF THYME (Thymus vulgaris L.) DEPENDING ON HARVEST TIME

Simultaneous characterization and quantification of phenolic compounds in Thymus x citriodorus using a validated HPLC–UV and ESI–MS combined method

Seasonal Variation of Essential Oil Yield and Composition of Thyme (Thymus vulgarisL.) Grown in Castilla—La Mancha (Central Spain)

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