Antioxidant Capacity, Radical Scavenging Kinetics and Phenolic Profile of Methanol Extracts of Wild Plants of Southern Sonora, Mexico

Abstract

Rhizophora mangle L (688.45 ± 18.21 and 7.13 ± 0.125 mg/g, respectively) and Krameria erecta (619.92 ± 28.16 mg/g and 22.29 ± 0.72 mg/g, respectively) than the other constituents. Conclusion: Rhizophora mangle and Krameria erecta possess five times the antioxidant activity of ascorbic acid and also demonstrate high phenolic contents, which supports the beneficial properties attributed to these plants in traditional medicine, and also justifies the use of the plants as alternative medicines.

Antioxidant Capacity of Rhizophora mangle Bark Extracts: A Contextualized Approach in the Teaching of Analytical Chemistry

“…The most abundant compounds in the genus Rhizophora are polyphenolic compounds, such as proanthocyanidins (PAs), consisting of oligomers and polymers with flavan-3-ol units . The compounds mentioned are secondary metabolites generated from the plant’s defense reaction against environmental aggressions (variations in water temperature, tides, climate, pollution, and microorganisms). − ,− …”

“…These compounds expressed efficient antioxidant capacity, and as already suggested, some are possible antioxidants present in the chemical composition of R. mangle. [5][6][7][8][9][10][11]38,39,41 The groups highlighted that the positive points of the CRAC assay compared to the FRAP assay are the simplicity because it does not require the preparation of many solutions, the use of an oxidizing species of great stability, and low cost. Some errors were also observed in the FRAP assay, such as inaccuracy in the reaction time, difficulty in reading the absorbance in dark or cloudy solutions, and the influence of solvent systems.…”

“…In Espírito Santo, Brazil, for example, the Association of Paneleiras in Goiabeiras (APG) uses the aqueous extract of the plant’s bark to manufacture the traditional clay pan of Espírito Santo, a cultural symbol of the state. The manufacturer uses this extract in the clay pan finish to dye and waterproof the material. , In other regions of Brazil and the world, people use the plant in folk medicine for therapeutic purposes, which can be due to its high antioxidant capacity. − …”

METHIONINE-INDUCED CHANGES IN GROWTH, GLYCINEBETAINE, ASCORBIC ACID, TOTAL SOLUBLE PROTEINS AND ANTHOCYANIN CONTENTS OF TWO Zea mays L. VARIETIES UNDER SALT STRESS

“…Alam et al (2017) reported that amino acids maintain nutrients balance in maize hybrids under salt stress. Some amino acids such as serine, glycine, valine and glutamate play role in improving plant health through therapeutic elements (Moran-Palacio et al, 2014). Proline and glycinebetaine (GB) improve crop production by reducing oxidative stress (Ashraf and Foolad, 2007).…”

Efecto de la salinidad y nitrógeno inorgánico del suelo en los compuestos fenólicos y capacidad antioxidante de Lycium berlandieri

“…Lycium berlandieri es una planta que florece en el Desierto Chihuahuense y Sonorense, que posee bayas rojas, jugosas, sabor agridulce y ligeramente amargas, consumidas por los nativos americanos (Matthews, 1994). En la actualidad se utiliza en la medicina tradicional del estado de Sonora, ya que posee actividad antifúngica contra Aspergillus niger y Aspergillus flavus, así como actividad antibacterial contra Staphylococcus aureus y Streptococcus phyogenes (Moran et al, 2014). Está f ilogenéticamente relacionada con la especie Lycium barbarum, una planta de la medicina tradicional china, que, por su amplio uso para inhibir la proliferación de células cancerígenas, incrementar la respuesta del sistema inmunológico y prevenir la degeneración macular asociada a la edad (Inbaraj et al, 2010), en los últimos años ha tenido importancia comercial.…”