Free flavonoid aglycones from leaves of mentha pulegium and mentha suaveolens (labiatae)

Zaidi, Farouk; Voirin, Bernard; Jay, Maurice; Viricel, Marie Rose

doi:10.1016/s0031-9422(97)01042-x

Cited by 42 publications

(35 citation statements)

References 12 publications

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“…All these properties, typical of Mentha species, have been ascribed to the combination of the essential oil, essentially based on monoterpenoids (Brada et al, 2007), and of polyphenol derivatives (Dorman et al, 2003;Zaidi et al, 1998).…”

Section: Extractsmentioning

confidence: 99%

Phenolic composition, in vitro antioxidant effects and tyrosinase inhibitory activity of three Algerian Mentha species: M. spicata (L.), M. pulegium (L.) and M. rotundifolia (L.) Huds (Lamiaceae)

Brahmi

Hauchard

Guendouze

et al. 2015

Industrial Crops and Products

132

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International audienceThe leaves of three Mentha species harvested in Algeria, Mentha spicata L. (MS), Mentha pulegium L. (MP) and Mentha rotundifolia (L.) Huds (MR) were examined for their content in polyphenols and for some activities-linked biological properties these could impart. The contents in total phenolics (TPC) and flavonoids (TFC) were evaluated by the Folin–Ciocalteu and the aluminum chloride methods, respectively. Whereas MS showed the highest TPC (12.0 ± 0.3 mg gallic acid equivalents/g of dry weight), MR had the highest content in TFC (3.3 ± 0.1 mg quercetin equivalents of dry weight). The pharmacological properties of these extracts were evaluated by assessing in vitro their antioxidant and antityrosinase activities. The modulation of mushroom tyrosinase activity was measured by colorimetry of the melanins formed in the presence of tyrosine. MS exhibited the strongest radical scavenging activity (RSA) in all assays: (i) the IC50s values to neutralize the 2,2′-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) cation radicals (ABTS+) and the 2,2′-diphenyl-1-picrylhydrazyl radicals (DPPH) were 10.3 ± 0.9 and 16.2 ± 0.2 μg/mL, respectively; and (ii) its original electrochemically measured superoxide quenching index value is 188 ± 37 μg/mL (AI50). MR however showed the highest tyrosinase inhibitory activity (IC50 = 108 ± 20 μg/mL). A silica gel thin-layer chromatography (TLC) technique revealed the presence of caffeic and rosmarinic acids and diosmin in all extracts. These results were confirmed by high performance liquid chromatography with diode array detection (HPLC/DAD

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Section: Extractsmentioning

confidence: 99%

Phenolic composition, in vitro antioxidant effects and tyrosinase inhibitory activity of three Algerian Mentha species: M. spicata (L.), M. pulegium (L.) and M. rotundifolia (L.) Huds (Lamiaceae)

Brahmi

Hauchard

Guendouze

et al. 2015

Industrial Crops and Products

132

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“…Climatic and geographical differences will affect the composition and ratio [17] Table 3 shows 21 components in S. baicalensis with different correlations with 10 inorganic elements. Seven components have no significant correlation with inorganic elements, while the other components have significant correlation with 17 components.…”

Section: Data Sourcementioning

confidence: 99%

Effects of ecological factors on secondary metabolites and inorganic elements of Scutellaria baicalensis and analysis of geoherblism

Guo

Wang

Zhang

et al. 2013

Sci. China Life Sci.

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This study analyzed the effects of ecological factors on secondary metabolites of Scutellaria baicalensis using two sources: 92 individual roots of S. baicalensis from all over China, and secondary metabolites, medicinal materials and inorganic element contents obtained from the testing of 92 S. baicalensis rhizosphere soil samples. The study used environmental data from the Genuine Medicinal Material Spatial Analysis Database. Most of the chemical constituents of S. baicalensis were negatively correlated to latitude and positively correlated to temperature; generally, the contents of 21 chemical constituents were higher at low latitudes than that at high latitudes. By gradual regression analysis, it was found that the content of baicalin in S. baicalensis was negatively correlated to latitude and generally the content of inorganic elements in soil was excessively high (excluding Mg and Ca), which has a negative effect on the accumulation of chemical constituents in S. baicalensis. Based on the cluster analysis of 21 constituents, S. baicalensis from different places of origin was divided into two groups, and S. baicalensis was not genuine only in a specific small region. Within the zone from Chifeng, Inner Mongolia to Taibai, Shaanxi is suitable for accumulation of secondary metabolites of S. baicalensis and such a zone represents a suitable distribution and potential genuine producing area. Scutellaria baicalensis, ecological factors, geoherbs, Daodi-herbs, geographical variation Citation:Guo L P, Wang S, Zhang J, et al. Huáng qín (Chinese: 黄芩) is originally from Scutellaria baicalensis. Its dried root is popular in traditional Chinese medicine. It works as an anti-inflammatory, antioxidant, and anti-allergen, and it is often used to treat fevers, coughs, allergic rhinitis, and wheezing [11]. Scutellaria baicalensis is widely distributed in Northeast China, North China, Central China and Southwest China, and is common in extensive areas north of the Yangtze River [12]. Research has demonstrated that variation in the quality of S. baicalensis is mainly due to environmental factors [13]. In our earlier study, 92 individual roots of S. baicalensis and the 92 corresponding rhizosphere soil samples were taken from all over China; the secondary metabolites in roots of S. baicalensis and inorganic elements in roots and rhizosphere soil were tested. Based on the data of these secondary metabolites and inorganic elements, massive environmental data from the Spatial Analysis Database of Geoherbs are used to investigate the influence of ecological factors on the accumulation of secondary metabolites and their comprehensive effect, which may provide guidance for high-quality cultivation of S. baicalensis.

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“…These constituents may account for the high antioxidant activity observed for the polar extracts of these aromatic herbs. [16,17] …”

Section: Total Polyphenols Flavonoids and Tannins In Mentha Pulegiummentioning

confidence: 99%

Polyphenols and antioxidant properties of extracts from Mentha pulegium L. and Matricaria chamomilla L.

Khennouf¹,

Dalila²,

Djidel³

et al. 2013

Phcog Commn

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Introduction: Mentha pulegium L. and Matricaria chamomilla L. are used in the Algerian folk medicine. This study was carried out to determine the antioxidant activity of these plants and their polyphenols contents. Methods:The antioxidant capacity of the plant extracts was determined by the scavenging activity against 1,1-diphenyl-2-picrylhydrazyl (DPPH) and β-carotene/linoleic acid model system. Total phenolic content in these extracts were determined using Folin-Ciocalteu's reagent. Results: The methanolic extract (MeE) of Mentha pulegium L. showed the highest yield of extraction (14.4%). Whereas, the aqueous extract (AqE) of Matricaria chamomilla L. had the highest yield (18.56%) from total extracted plant material. Moreover, the ethyl acetate extract of Mentha pulegium L. contains high amount of total polyphenols; tannins and flavonoids (191.99 µg gallic acid equivalent/g dry extract; 265.33 µg tannic acid equivalent/g dry extract; 110.37 µg quercetin equivalent/g dry extract; 151.11 µg rutin equivalent/g dry extract) respectively. This extract possessed high antioxidant activity (IC 50 =0.017 mg/ml) in the DPPH assay whilst the chloroformic extract (ChE) is more efficient in the β carotene/linoleic acid assay with (61.07%). The ChE of M. chamomilla contains the higher value of flavonoids (197.43 µg quercetin equivalent/g) and total polyphenols were abundant in MeE. The ethyl acetate extract of this plant had the highest antioxidant activity (IC 50 = 0.0111 mg/ml) in the DPPH assay, while chloroformic extract shows appreciable inhibition value (37.15%) in the β carotene/linoleic acid assay. Conclusion: These results provide useful information about the utilization of these plants as natural antioxidants in food and in folk medicine.

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Free flavonoid aglycones from leaves of mentha pulegium and mentha suaveolens (labiatae)

Cited by 42 publications

References 12 publications

Phenolic composition, in vitro antioxidant effects and tyrosinase inhibitory activity of three Algerian Mentha species: M. spicata (L.), M. pulegium (L.) and M. rotundifolia (L.) Huds (Lamiaceae)

Phenolic composition, in vitro antioxidant effects and tyrosinase inhibitory activity of three Algerian Mentha species: M. spicata (L.), M. pulegium (L.) and M. rotundifolia (L.) Huds (Lamiaceae)

Effects of ecological factors on secondary metabolites and inorganic elements of Scutellaria baicalensis and analysis of geoherblism

Polyphenols and antioxidant properties of extracts from Mentha pulegium L. and Matricaria chamomilla L.

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