Results: 105

Cryotherapy: biochemical alterations involved in reduction of damage induced by exhaustive exercise

Braz. j. med. biol. res; 51 (11), 2018
When exercises are done in intense or exhaustive modes, several acute biochemical mechanisms are triggered. The use of cryotherapy as cold-water immersion is largely used to accelerate the process of muscular recovery based on its anti-inflammatory and analgesic properties. The present study aimed to stu...

Serum paraoxonase, arylesterase, and glutathione-s-transferase activities and oxidative stress levels in patients with mushroom poisoning

Clinics; 73 (), 2018
OBJECTIVES: Consumption of toxic species of mushrooms may have detrimental effects and increase oxidative stress. Paraoxonase, arylesterase and glutathione-S-transferase are antioxidants that resist oxidative stress. In this study, we analyzed the changes in these enzymes during intoxication due to mushr...

Avaliação da atividade antioxidante total de chás comercializados em sachês
Evaluation of the total antioxidant activity of tea commercialized in saches

Hig. aliment; 31 (270/271), 2017
Os Antioxidantes são substancias que retardam o aparecimento de alterações oxidativas tanto nos seres vivos como nos alimentos. Quimicamente, são compostos aromáticos que contém em sua estrutura, pelo menos, um grupamento hidroxila. Estes podem ser naturais ou sintéticos, sendo o último amplament...

Profiling of antioxidant potential and phytoconstituents of Plantago coronopus

Braz. j. biol; 77 (3), 2017
Abstract The halophyte species Plantago coronopus has several described ethnomedicinal uses, but few reported biological activities. This work carried out for the first time a comparative analysis of P. coronopus organs in terms of phenolic composition and antioxidant activity of organic and water extrac...

Dark septate endophyte decreases stress on rice plants

Braz. j. microbiol; 48 (2), 2017
Abstract Abiotic stress is one of the major limiting factors for plant development and productivity, which makes it important to identify microorganisms capable of increasing plant tolerance to stress. Dark septate endophytes can be symbionts of plants. In the present study, we evaluated the ability of d...

Vitamin E and organic selenium for broilers from 22 to 42 days old: performance and carcass traits

An. acad. bras. ciênc; 89 (2), 2017
ABSTRACT This study was conducted to evaluate the effect of vitamin E and selenium on performance, viability, productive efficiency, and yields of carcass, major cuts, and organs of broilers from 22 to 42 days submitted to cyclic-heat stress. The experimental design was randomized blocks, in a 2 × 3 fac...

Adição de antioxidantes ao sêmen de carneiros e seus efeitos após a descongelação

Pesqui. vet. bras; 37 (5), 2017
Objetivou-se avaliar o efeito da adição dos antioxidantes ácido ascórbico, melatonina e Trolox C, associados ao sêmen diluído de carneiros sobre o estresse oxidativo e o potencial fecundante após criopreservação. Foram coletados 10 ejaculados de 3 carneiros (n=30) e diluídos em Tris-Gema de ovo...

Evaluation of salivary oxidative parameters in overweight and obese young adults

ABSTRACT Background Obesity is characterized by a deposition of abnormal or excessive fat in adipose tissue, and is linked with a risk of damage to several metabolic and pathological processes associated with oxidative stress. To date, salivary oxidative biomarkers have been minimally explored in obese...

Propolis from Southwest of Parana produced by selected bees: Influence of seasonality and food supplementation on antioxidant activity and phenolic profile

An. acad. bras. ciênc; 89 (1), 2017
ABSTRACT Propolis produced by selected bees Apis mellifera were collected from March to June of 2013 and in March of 2015 and analyzed in order to evaluate the influence of climate, colony of origin, and food supplementation of colonies on the content of total phenolic and flavonoid by chromatographic an...

Obesity, bariatric surgery and oxidative stress

Summary Introduction: Obesity refers to the accumulation of fatty tissues and it favors the occurrence of oxidative stress. Alternatives that can contribute to body weight reduction have been investigated in order to reduce the production of reactive oxygen species responsible for tissue damage. The ai...