Effect of the γ-radiation on phenol fractions obtained from the leaves of Echinodorus macrophyllus Mich.

Silva, T.M.; Dias, Marlon; Pereira, Márcio Tadeu; Takahashi, Jacqueline A.; Ferraz, Vany; Piló‐Veloso, Dorila; Alcântara, Antônio F. C.

doi:10.1016/j.radphyschem.2011.09.001

Cited by 8 publications

(3 citation statements)

References 36 publications

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“…Vários glicosídeos destas flavonas foram identificados. Em ambas as espécies, identificaram-se vitexina e isovitexina (Rangel et al, 2010;Silva et al, 2012;Marques, 2016;Gasparotto et al, 2018).…”

Section: Flavonoidesunclassified

Echinodorus grandiflorus, E. macrophyllus

Gilbert¹,

Alves²,

Favoreto³

2022

Monografias De Plantas Medicinais Brasileiras E Aclimatadas: Volume II

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Section: Flavonoidesunclassified

Echinodorus grandiflorus, E. macrophyllus

Gilbert¹,

Alves²,

Favoreto³

2022

Monografias De Plantas Medicinais Brasileiras E Aclimatadas: Volume II

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“…In that study, fresh fruits were employed, providing higher TPC values than the corresponding values obtained for the TPC of the dried fruit. The high TPC values registered in these studies may be an indication of the antioxidant activity of the plants (SILVA et al, 2012).…”

Section: Discussionmentioning

confidence: 60%

Total antioxidant capacity, total phenolic content and mineral elements in the fruit peel of Myrciaria cauliflora

Araújo

Silva

Lopes

et al. 2013

Braz. J. Food Technol.

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The in vitro antioxidant capacity, total phenolic content and mineral elements of the fruit peel of Myrciaria cauliflora were investigated. The antioxidant capacity was analyzed by the diphenylpicrylhydrazyl (DPPH), 2,2'-azino-bis(3ethylbenzthiazoline-6-sulfonic acid) (ABTS), ferric reducing antioxidant power (FRAP) and β-carotene methods. The assays based on the DPPH (EC 50 = 3.18 g sample/g DPPH), ABTS •+ (1017 μmol Trolox/g sample), FRAP (1676 μM Fe 2 SO 4 /g sample) and β-carotene/linoleic acid (70% of oxidation inhibition) methods indicated a high antioxidant capacity of the fruit peel extract of the plant. The Folin-Denis method was more efficient in determining the total phenolic compound contents in the different solvents than the Folin-Ciocalteu one. Extractions made with 4:1 methanol-water, 4:1 ethanol-water, 3:2 ethanol-water and 3:2 acetonewater solutions using the Folin-Denis method exhibited high contents of phenolic compounds (18.95, 14.06, 12.93 and 11.99 mg GAE/g, respectively). Potassium was the major element found in the fruit peel, followed by phosphorus, calcium, magnesium and iron, in that order. As a result, the fruit peel of M. cauliflora can be considered as an important source of natural antioxidants and essential elements of easy access for the population and for application in the food industry. ResumoA capacidade antioxidante, o conteúdo fenólico total e os elementos minerais foram investigados, in vitro, nas cascas dos frutos de Myrciaria cauliflora. A capacidade antioxidante foi analisada pelos métodos difenilpicrilhidrazina (DPPH), [2,2'-azino-bis(3-etilbenzotiazolin)-6-sulfônico] (ABTS), poder redutor do íon férrico (FRAP) e β-caroteno. Os ensaios baseados nos métodos DPPH (EC 50 = 3,18 g amostra/g DPPH), ABTS •+ (1017 μmol Trolox/g amostra), FRAP (1676 μM Fe 2 SO 4 /g amostra) e β-carotene/ácido linoleico (70% de inibição da oxidação) indicam alta capacidade antioxidante dos extratos das cascas dos frutos dessa planta. O método Folin-Denis foi mais eficiente quando comparado com Folin-Ciocalteu para a determinação de compostos fenólicos em diferentes solventes. Extrações com soluções de 4:1 metanol-água, 4:1 etanol-água, 3:2 etanol-água e 3:2 acetona-água, usando o método Folin-Denis, exibem alto conteúdo de compostos fenólicos (18,95; 14,06; 12,93; 11,99 mg GAE/g, respectivamente). Potássio é o elemento encontrado em maior proporção nas cascas deste fruto, seguido pelo fósforo, cálcio, magnésio e ferro. Como resultado, cascas do fruto de M. cauliflora podem ser consideradas uma importante fonte de antioxidantes naturais e elementos essenciais de fácil acesso à população e aplicação pela indústria de alimentos.

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“…On the other hand, the aqueous phase provided the alkaloid fraction (AF; 210.0 mg). Chemical identification test indicated presence of alkaloid in this fraction [ 14 ].…”

Section: Methodsmentioning

confidence: 99%

Anti-inflammatory effects in muscle injury by transdermal application of gel with Lychnophora pinaster aerial parts using phonophoresis in rats

Abreu¹,

Corrêa²,

Silva³

et al. 2013

BMC Complement Altern Med

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BackgroundLycnophora pinaster is used by the traditional Brazilian medicine for the treatment of inflammations. Anti-inflammatory activity of Lycnophora pinaster was investigated for extracts, fractions, and isolated compounds of their aerial parts. The hexane extract (HE) provided α-amyrin, lupeol, mixture of α-amyrin and lupeol, mixture of 3-O-acetyl-lupeol and 3-O-acetyl-pseudotaraxasterol, and mixture of the steroids stigmasterol and sitosterol. The aqueous extract (WE) provided a fraction containing alkaloids (AF) and another one containing phenolic compounds (PF).MethodsThe crude hexane extract obtained from aerial parts of L. pinaster was submitted to chromatographic fractionation. The fractionation of PF was performed by preparative HPLC analysis, providing the flavonoid quercetin. The extracts, fractions, and compounds isolated from L. pinaster were tested to evaluate the anti-inflammatory activity by experimental model of impact injury, followed by transdermal application of gels with these samples. The application of the gels was performed using phonophoresis in rat paws after induction of muscle injury. Histological analysis was based on scores assigned by the capacity of decreasing the lesion.ResultsHE and WE exhibited anti-inflammatory activity. Some fractions, triterpenes, and steroids also reduced the inflammatory infiltrates caused by muscle injury. Lupeol promoted a significant reduction of inflammation. Quercetin also provided significant results, promoting the greatest decreases in muscle injury.ConclusionThe results of this work suggest that topical application of triterpenes, steroids and flavonoid significantly decreases the inflammatory process generated by muscle injury. The transdermal application using phonophoresis in rat paws of gel with lupeol and quercetin attenuates the inflammation.

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Effect of the γ-radiation on phenol fractions obtained from the leaves of Echinodorus macrophyllus Mich.

Cited by 8 publications

References 36 publications

Echinodorus grandiflorus, E. macrophyllus

Echinodorus grandiflorus, E. macrophyllus

Total antioxidant capacity, total phenolic content and mineral elements in the fruit peel of Myrciaria cauliflora

Anti-inflammatory effects in muscle injury by transdermal application of gel with Lychnophora pinaster aerial parts using phonophoresis in rats

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