3,000 تومان

12 در انبار

کد کالا: nutrition-04

An atom or a group of atoms that contains one or more unpaired electron(s) is termed a free radical, which is often a highly reactive and unstable molecule. Two groups of these radical molecules are often classified as reactive oxygen and reactive nitrogen species, respectively. Stabilisation of these radicals requires electron donation from proteins, lipids and DNA which oftentimes leads to degradation and damage to these molecules.

Owing to the potential for cellular damage, much controversy was created by initial reports that indicated that physical exercise increased the production of reactive oxygen species (ROS) (Dillard et al. 1978). This initial work did not reveal the specific location, but later work revealed the contracting skeletal muscle to be a prominent source of ROS (Davies et al. 1982).

Years later, it was also revealed that contracting muscles also produced nitric oxide (NO), the predominant parent molecule of reactive nitrogen species (Balon and Nadler 1994), and a number of well-constructed review articles since then have confirmed the contribution of skeletal muscle to the production of both ROS and reactive nitrogen species (Powers and Jackson 2008, Jackson 2009, Powers et al. 2011).

12 در انبار

سنجش

ANTIOXIDANTS IN
SPORT NUTRITION

This book consists of 16 scientifically based chapters with regard to the basic mechanisms of exercise-induced oxidative damage and categorisation of nutritional antioxidants. It covers the antioxidant supply in an athlete’s basic nutrition and discusses the controversies of the usefulness or disadvantages of antioxidant supplementation. Many chapters refer to antioxidants and/or bioactives and their effectiveness, and a few chapters cover specific redox-modulating substances and/or supplements.

I personally believe it is very interesting for the reader that this book provides chapters that discuss antioxidant supplementation in relation to adaptation and performance as well as the relation between supplementation with redox-modulating compounds and/or supplements and the immune system. Last but not least, two chapters discuss methodological approaches on how to assess oxidative stress and the effectiveness of antioxidant treatment, and two other chapters introduce several biomarkers to estimate the bioefficacy of dietary/supplemental antioxidants in sport.

With this book, sport nutrition scientists and advisors, exercise physiologists, students in related fields as well as coaches, top athletes and recreational athletes will find actual information and practical guidance. Have a good time with it!

نام نویسنده

ویرایش

تعداد صفحات

295

سال چاپ

Copyright © 2015

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