橘皮中含有丰富的维生素C和P，还含有黄酮等活性物质，故常用橘皮泡水喝，对预防心血管病十分有益。橘皮中富含的维生素C和P，有改善血管功能的作用，可防止血管破裂出血或渗血，还能对坏血病起治疗作用。橘皮中的黄酮甙有扩张冠状动脉、增加冠脉血流量的作用，也有类似维生素P Orange peel is rich in vitamin C and P, also contains flavonoids and other active substances, so commonly used orange peel water to drink, the prevention of cardiovascular disease is very beneficial. Cellulite is rich in vitamin C and P, have the effect of improving vascular function, can prevent rupture of blood vessels or bleeding, but also for the treatment of scurvy. Orange peel in the flavonoid glycosides have dilated coronary artery, increase the role of coronary blood flow, but also similar to vitamin P