中文摘要：

食品的功能化是当今世界食品发展的主要趋势之一,因此具有营养保健功效的发酵乳逐渐成为市场开发的热点。本文综述乳酸与肌肉疲劳、疾病诊断、机体能量代谢之间的关系及其抗癌作用,为进一步开发利用发酵乳中的乳酸提供参考。

英文摘要：

Functional foods are becoming one of the main development trends of the food industry.Now fermented milk with nutritional and health function is becoming a hot spot for the exploitation of the world market.This paper is structured in four sections.Section 1 covers pertinent topics on the conception of lactic acid as the most cause of skeletal muscle fatigue;section 2 discusses the meaning of lactic acid as a prognostic factor;section 3 identifies the relation between lactic acid and fuel supply for energy metabolism;and the last section reviews the potential of lactic acid as a anti-cancer agent.