AIM To examine whether the side effects, such as angina pectoris, of alginic sodium diester (ASD) are resulted from its direct action on blood vessels, and to investigate the underlying mechanisms.

• 摘要 目的 探讨藻酸双酯钠（ASD）引起心绞痛等副作用是否由其对血管的直接效应所致，并探讨其可能机制。