Comparative chemotype determination of Lamiaceae plants by means of GC–MS, FT-IR, and dispersive-Raman spectroscopic techniques and GC-FID quantification

Rodríguez‐Solana, Raquel; Daferera, Dimitra; Mitsi, Christina; Trigas, Panayiotis; Polissiou, Moschos G.; Tarantilis, Petros Α.

doi:10.1016/j.indcrop.2014.08.003

Cited by 28 publications

(16 citation statements)

References 23 publications

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“…The detailed analysis of the water and ethanol extracts of the selected cucurbits by ATR-FTIR spectroscopy [14] showed significant amounts of proteins, fatty acids, and esters in their composition. However, statistical tests of the obtained data revealed that among the 15 studied extracts, none exhibited a similar composition to that of Cpepo_al, which is known for its traditional anthelmintic applications.…”

Section: G1mentioning

confidence: 99%

ATR-FTIR-based fingerprinting of some Cucurbitaceae extracts: a preliminary study

et al. 2018

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The attenuated total reflectance-Fourier transform infrared (ATR-FTIR) fingerprinting of some selected cucurbits was performed on three types of seed extracts (alcoholic, cold-water, and hot-water) in order to elaborate a characteristic FTIR profile of their family representatives and to determine their biochemical content. Cluster analysis and principal component analysis were performed on Cucumis melo subsp. melo var. inodorus, Cucurbita pepo, C. maxima, C. pepo var. cylindrica, C. maxima subsp. maxima convar. maxima 'Hokkaido' to determine the similarities between their seed extracts. The ethanol extract of the C. pepo seeds was different from the other seed extracts because in addition to esters, it contained free fatty acids, which could influence its pharmacological activity. The main variable differentiating the extracts was the absorption band at 2,920-2,925 cm −1 , which represented saturated fatty acids. The obtained results were analyzed by various statistical tools to evaluate the fingerprints of the selected species of cucurbits.

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Section: G1mentioning

confidence: 99%

ATR-FTIR-based fingerprinting of some Cucurbitaceae extracts: a preliminary study

et al. 2018

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“…Mono-, di-, oligo-and polysaccharides show characteristic Raman bands by which carbohydrates can be easily determined and quantied. 74 Researchers used Raman spectroscopy to follow the changes in carotenoid structure of extra virgin olive oil with heat treatment, which was applied by using microwave and conventional heating processes. 35 For instance, the amylose contents of corn and cassava starch samples were quantied using FT-Raman spectroscopy coupled with PCA and PLS regression methods.…”

Section: Proteinsmentioning

confidence: 99%

Dispersive and FT-Raman spectroscopic methods in food analysis

et al. 2015

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Raman spectroscopy is a powerful technique for molecular analysis of food samples. A fingerprint spectrum can be obtained for a target molecule by using Raman technology, as specific signals are obtained for chemical bonds in the target. In this way, food components, additives, processes and changes during shelf life, adulterations and numerous contaminants such as microorganisms, chemicals and toxins, can also be determined with or without the help of chemometric methods. The studies included in this review show that Raman spectroscopy has great potential for food analyses. In this review, we aim to bring together Raman studies on components, contaminants, raw materials, and adulterations of various food, and attempt to prepare a database of Raman bands obtained from food samples.

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“…Finally, the aromatic C–H out-of-plane bending vibration region between 920 and 750 cm −1 mostly shows signals of low intensity [ 32 ]. The extract obtained by ultrasound technique shows a medium-intensity signal at 878 cm −1 corresponding to the deformation of the C–H bond in a substituted meta -diaromatic compound [ 35 ]. This signal was lower for the MAE extract and did not appear at all in the CE extract.…”

Section: Resultsmentioning

confidence: 99%

Nectandra grandiflora By-Products Obtained by Alternative Extraction Methods as a Source of Phytochemicals with Antioxidant and Antifungal Properties

et al. 2018

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Nectandra grandiflora Nees (Lauraceae) is a Brazilian native tree recognized by its durable wood and the antioxidant compounds of its leaves. Taking into account that the forest industry offers the opportunity to recover active compounds from its residues and by-products, this study identifies and underlines the potential of natural products from Nectandra grandiflora that can add value to the forest exploitation. This study shows the effect of three different extraction methods: conventional (CE), ultrasound-assisted (UAE) and microwave-assisted (MAE) on Nectandra grandiflora leaf extracts (NGLE) chemical yields, phenolic and flavonoid composition, physical characteristics as well as antioxidant and antifungal properties. Results indicate that CE achieves the highest extraction phytochemical yield (22.16%), but with similar chemical composition to that obtained by UAE and MAE. Moreover, CE also provided a superior thermal stability of NGLE. The phenolic composition of NGLE was confirmed firstly, by colorimetric assays and infrared spectra and then by chromatographic analysis, in which quercetin-3-O-rhamnoside was detected as the major compound (57.75–65.14%). Furthermore, the antioxidant capacity of the NGLE was not altered by the extraction methods, finding a high radical inhibition in all NGLE (>80% at 2 mg/mL). Regarding the antifungal activity, there was observed that NGLE possess effective bioactive compounds, which inhibit the Aspergillus niger growth.

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Comparative chemotype determination of Lamiaceae plants by means of GC–MS, FT-IR, and dispersive-Raman spectroscopic techniques and GC-FID quantification

Cited by 28 publications

References 23 publications

ATR-FTIR-based fingerprinting of some Cucurbitaceae extracts: a preliminary study

ATR-FTIR-based fingerprinting of some Cucurbitaceae extracts: a preliminary study

Dispersive and FT-Raman spectroscopic methods in food analysis

Nectandra grandiflora By-Products Obtained by Alternative Extraction Methods as a Source of Phytochemicals with Antioxidant and Antifungal Properties

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