Orange peel also contains good amounts of provitamin A, folate, riboflavin, thiamine, vitamin B6, and calcium. Plus, it's rich in plant compounds called polyphenols, which may help prevent and manage many chronic conditions, such as type 2 diabetes, obesity, and Alzheimer's.

陈皮主要功能为理气健脾、燥湿化痰:

一、脾zhi胃气滞证，本品辛，有行气止痛，健脾和中之功，苦温而燥，故寒湿阻中之气滞最宜。

二、呕吐呃逆，陈皮辛香而行，善疏理气机调畅中焦而使之升降有序。
三、湿痰寒痰咳嗽，本品既能燥湿化痰又能温化寒痰，且辛行苦泄而能宣肺止咳，为治痰之要药。
四、胸痹，本品辛行温通，入肺走胸而能行气通阳，通痹止痛。