Development and validation of QuEChERS-HPLC method for simultaneous analysis of 5-hydroxymethylfurfural, furfural, and p-cresol in brewery spent grain's hydrolysate.

Developing efficient methods to analyze inhibitors resulting from the breakdown of the lignocellulosic matrix in brewery spent grain is crucial for selecting optimal pretreatment strategies and monitoring these compounds during biodigestion processes. However, to date, these determinations have been based on separate methodologies that have not been subjected to the analytical validation stage. This study optimized QuEChERS extraction methods combined with High-Performance Liquid Chromatography (HPLC) analysis to determine 5-hydroxymethylfurfural (5-HMF), furfural, and p-cresol, simultaneously, in the semisolid and liquid fraction of the BSG hydrolysate.

Insights about levels and source appointment of petroleum hydrocarbons in Brazilian semi-arid coastal: baseline status assessment for ocean decade targets.

The Ocean decade (2021-2030) for sustainable development proclaimed in 2017 by the UN, seeks to promote and conserve the sustainable use of oceans, seas, and marine resources. For this, the distribution of n-alkanes, polycyclic aromatic hydrocarbons (PAHs), and biomarkers, in sediments from the Fortaleza coastal zone (Mucuripe harbor (MH) and Inner Continental shelf (ICS)) were used to assess the impacts of anthropogenic activities in the area. The concentrations of total n-alkanes (Σ16 n-alkanes) in MH and ICS sediments varied from 35.

Antidepressant-like effect of anacardic acid in mice via the L-arginine-nitric oxide-serotonergic system.

Depression, a multifactorial neuronal disorder with high morbidity/mortality, is associated with psychological, psychosocial, hereditary, and environmental etiologies, where reactive species exert pathophysiological functions. Anacardic acid (AA), a natural compound obtained from cashew nut liquid, has several pharmacological activities, including antioxidant and anticonvulsant. The aim of the present study was to evaluate the antidepressant-like effect of AA and the involvement of serotonergic, noradrenergic, and L-arginine-nitric oxide (NO) in tail suspension and forced swim tests and, more so, to investigate its antioxidant effect in Saccharomyces cerevisiae and in male Swiss mice (n = 8).

Anxiolytic effect of anacardic acids from cashew (Anacardium occidentale) nut shell in mice.

Antianxiety drugs currently in use are associated with a number of serious side effects. Present study was designed to evaluate the efficacy of anacardic acids (AAs) isolated from cashew nut (Anacardium occidentale L.) shell liquid (CNSL) to treat anxiety as well as its role in oxidative stress in mice model.