Extensive research performed over the past 10 years has resulted in dietary nitrate being considered a nutritional supplement that can improve exercise performance. However, there is still limited insight in the metabolic fate of dietary nitrate following the appearance of nitrate and nitrite in the circulation. Recent observations in humans suggest the storage of nitrate in skeletal muscle tissue. This short review discusses the possibility of nitrate being stored and utilized in human skeletal muscle tissue, and why confirming this may increase our understanding of how the nitrate-nitrite-NO pathway improves exercise performance. Further insight in skeletal muscle nitrate storage and metabolism may provide answers to current gaps in knowledge, such as the ergogenic benefit of acute vs multiday dietary nitrate supplementation, as well as the suggested muscle fiber-type specific effects on exercise performance. In this mini-review, specific questions that need further exploration are also discussed.

中文翻译：

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饮食中肌内储存硝酸盐是否有助于其产生人为作用？迷你评论。

在过去的10年中进行的大量研究已使饮食中的硝酸盐被认为是可以改善运动表现的营养补品。然而，在循环中出现硝酸盐和亚硝酸盐之后，对饮食中硝酸盐的代谢命运的认识仍然有限。人类最近的观察表明，硝酸盐在骨骼肌组织中的存储。这篇简短的评论讨论了硝酸盐在人体骨骼肌组织中存储和利用的可能性，以及为什么要证实这一点可以增进我们对硝酸盐-亚硝酸盐-NO途径如何改善运动表现的理解。对骨骼肌硝酸盐储存和代谢的进一步了解可能会为当前的知识空白提供答案，例如急性与多日饮食中补充硝酸盐对人体的益处，以及建议的肌肉纤维类型对运动表现的特定影响。在此小型审查中，还讨论了需要进一步探索的特定问题。