Use of the Enantiomeric Composition for the Assessment of the Authenticity of Fruit Beverages

Castillo, Marı́a Luisa Ruiz del; Caja, M. M.; Herráiz, Marta

doi:10.1021/jf025711q

Cited by 38 publications

(26 citation statements)

References 17 publications

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“…With regard to the enantiomeric composition of S-b-pinene, it varied in a narrower range (between 80 and 93%) in all samples. As the occurrence of both enantiomers of b-pinene and, on the contrary, the enantiomeric purity of limonene in natural samples have been described by other authors [20] and in our own laboratory [21], it can be concluded that the predominance of S-limonene in the M. piperita essential oil analysed in this work may be attributed to the addition of synthetic aromas to enhance the sample natural aroma. From these results, we could state that Lavandin and peach essential oils appeared not to have been handled and, therefore, they may be defined as natural samples.…”

Section: Resultssupporting

confidence: 71%

Enantiomeric analysis of β‐pinene and limonene by direct coupling of reversed phase liquid chromatography and gas chromatography using absorbents as packing materials

Flores

Castillo²,

Herráiz

2007

J of Separation Science

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A method based on the use of absorbents as packing materials inside the interface of the online coupling between RPLC and GC is proposed for the enantiomeric analysis of beta-pinene and limonene in essential oils. For that purpose, a comparison of the RSD, detection limit and recovery provided by two absorbents and one adsorbent is included in this study. The results found in this work proved the validity of absorbents as packing materials in online RPLC-GC to determine minor compounds in complex matrices. In particular, PDMS seemed to be specially useful to analyse nonpolar compounds, such as beta-pinene and limonene, since it provided higher sensitivity for this kind of compounds. The developed method was applied to the evaluation of the natural and non-natural character of commercial essential oils by means of the determination of the enantiomeric composition of beta-pinene and limonene.

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Section: Resultssupporting

confidence: 71%

Enantiomeric analysis of β‐pinene and limonene by direct coupling of reversed phase liquid chromatography and gas chromatography using absorbents as packing materials

Flores

Castillo²,

Herráiz

2007

J of Separation Science

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“…Neither δ-terpinene nor α-terpinene was a major component in any EO studied, and their presence did not seem to influence the activity of the EO that contained them. The LC 50 s of (4 S )(-)-limonene and (4 R )(+)-limonene were 5 and 6.2 mg/dm 3 , respectively; however, the Citrus EO used in this study contained only (4 R )(+)-limonene [ 21 , 22 ] ( Table 1 ). Therefore, we compared the LC 50 of Citrus EOs with the LC 50 of (4 R )(+)-limonene and found that (4 R )(+)-limonene, the fourth most active T, had the same insecticidal activity as Citrus EOs.…”

Section: Resultsmentioning

confidence: 87%

Efficacy of Essential Oils from Edible Plants as Insecticides Against the House Fly, Musca Domestica L.

et al. 2009

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The compositions of 12 essential oils (EOs) obtained by hydrodistillation of edible fruits and herbs were analyzed by gas chromatography/mass spectroscopy (GC/MS). The insecticidal activity of each oil against the house fly Musca domestica was evaluated by placing flies in a glass jar with a screw cap that held a piece of EO-treated cotton yarn. The dose necessary to kill 50% of flies (LC50) in 30 min was determined at 26 ± 1°C. Twelve EOs and 17 individual terpenes were assayed against M. domestica, showing LC50 values ranging from 3.9 to 85.2 and from 3.3 to >100 mg/dm3, respectively. EO from Citrus sinensis was the most potent insecticide (LC50 = 3.9 mg/dm3), followed by EOs from C. aurantium (LC50 = 4.8 mg/dm3) and Eucalyptus cinerea (LC50 = 5.5 mg/dm3). According to GC/MS analysis, limonene (92.47%), linalool (1.43%), and β-myrcene (0.88%) were the principal components of C. sinensis EO. Limonene was also the principal constituent (94.07%) of C. aurantium, while 1,8-cineole (56.86%) was the major constituent of E. cinerea EO. 1,8-Cineole was most active against M. domestica (LC50 = 3.3 mg/dm3), while (4R)(+)-limonene, was moderately active (LC50 = 6.2 mg/dm3). Dimethyl 2,2-dichlorovinyl phosphate (DDVP) selected as a positive control, showed an LC50 of 0.5 mg/dm3. EOs from C. sinensis, C. aurantium, and E. cinerea show promise as natural insecticides against houseflies.

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“…As far as the stereochemical analysis is concerned, it has also been occasionally reported that SPME offers the possibility of isolating selectively the chiral constituents from complex matrices under non-racemization conditions [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Natural variability of the enantiomeric composition of bioactive chiral terpenes in Mentha piperita

Castillo

Blanch

Herráiz

2004

Journal of Chromatography A

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The variability of the enantiomeric distribution of biologically active chiral terpenes in Mentha piperita plants from different geographical origins was evaluated by solid phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS). The optimisation of some parameters (i.e. exposure temperature, extraction time and type of fibre) affecting SPME-extraction enabled relative standard deviations ranging from 4 to 13% to be achieved. The use of two different chiral stationary phases allowed to separate the identified chiral terpenes into their corresponding enantiomers as well as to verify the enantiomeric excesses of those compounds which were enantiomerically resolved on both phases. For all chiral terpenes, the enantiomeric composition varied within a very narrow range all over the samples. Consequently, it may be stated that the enantiomeric composition of chiral terpenes in Mentha piperita appears to be independent of the geographical origin of the plant and, thus, any alteration in the characteristic value may be related to an adulteration or inadequate sample handling. These results support the usefulness of the enantiomeric composition of bioactive chiral terpenes in Mentha piperita in authenticity studies.

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Use of the Enantiomeric Composition for the Assessment of the Authenticity of Fruit Beverages

Cited by 38 publications

References 17 publications

Enantiomeric analysis of β‐pinene and limonene by direct coupling of reversed phase liquid chromatography and gas chromatography using absorbents as packing materials

Enantiomeric analysis of β‐pinene and limonene by direct coupling of reversed phase liquid chromatography and gas chromatography using absorbents as packing materials

Efficacy of Essential Oils from Edible Plants as Insecticides Against the House Fly, Musca Domestica L.

Natural variability of the enantiomeric composition of bioactive chiral terpenes in Mentha piperita

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