Abstract:In our study, we aimed to validate a method based on liquid chromatography-mass spectrometry (LC-MS) to quantify spironolactone (SPI) and its active metabolite canrenone (CAN) simultaneously in plasma samples to support in vivo experiments. Compounds were separated by using a C 18 column with the isocratic elution of a mobile phase composed of 0.1% (v/v) formic acid in methanol-water (60:40 v/v) at a flow rate of 0.4 mL min −1 . SPI and CAN were detected in an electrospray interface operating in a positive ion… Show more
Background
Cereals have historically played a crucial role in the human diet, serving as a significant natural source of energy and offering various health benefits. Barley (Hordeum vulgare L.) has been given significant attention in recent years due to its exceptional nutritional value, surpassing that of other cereals. The objective of this research is to evaluate the antioxidant activity of various solvent extracts obtained from three different barley cultivars.
Results
The G.136 variety's acetone extract exhibited the highest level of antioxidant activity in both the DPPH assay, with an IC50 of 55.62 µg/ml, and the FRAP assay, with 447 μM trolox/mg extract. The dominant compounds identified before in the acetone fraction were subjected to an evaluation of their docking scores, along with an assessment of ADMET (Absorption, Distribution, Metabolism, Excretion, and Toxicity) and TOPKAT (Toxicity Prediction by Komputer Assisted Technology) studies. Notably, hordatine A1, prodelphinidin B3, hordatine B1, procyanidin B2, and isovitexin 7-O-glucoside were the major compounds with the highest LipDock scores compared to trolox the reference drug with polyphenol oxidase.
Conclusions
The findings indicate that the acetone extract from all three cultivars demonstrates noteworthy results, surpassing the efficacy of other solvent extracts against the antioxidant activity.
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