The longer the dried tangerine peel is stored, the better, so it is called "dried tangerine peel". Pericarpium Citri Tangerinae produced in Guangdong is the best, which is called "Guangdong Pericarpium Citri Tangerinae" in history and trade, which is different from other provinces. In the Er Chen Tang opened by Ye Suo, a great doctor in Qing Dynasty, it was specifically stated that "Xinhui Pi". Because it is not newly produced, its efficacy is far from weak, and it lacks fragrance and is stuffy. (it is bitter and spicy). Therefore, the price of Xinhui tangerine peel is higher, and the skin is more expensive than meat.
It is said that Xinhui dried tangerine peel is transported to all parts of the north, and it tastes more fragrant after passing through Lingnan. Overseas Chinese once took Xinhui Chenpi abroad by boat. When the ship arrived in the Pacific Ocean, it suddenly smelled a fragrance and could not hide it. Xinhui Chenpi exudes a fragrance, which is its unique quality. The preliminary test results of the drug inspection department show that due to the differences in soil conditions, cultivation techniques, farmland microclimate and so on, the morphology and tissue structure of the new-produced tangerine peel are similar to those of the transplanted tangerine peel from other places, but the composition and taste of the volatile oil are quite different. Therefore, the medicinal and flavoring effects are very different.
Pericarpium Citri Tangerinae has the medicinal effects of invigorating qi and stomach, eliminating dampness and resolving phlegm. Traditional Chinese medicine's "Chenpi Banxia Decoction" and "Erchen Decoction" mainly rely on Chenpi to treat diseases. Chinese patent medicines made from dried tangerine peel, such as dried tangerine peel of Fritillaria cirrhosa, dried tangerine peel of snake gall, dried tangerine peel of licorice, dried tangerine peel paste, dried tangerine peel powder, etc. It is a good medicine for resolving phlegm, reducing qi, resolving food stagnation and strengthening stomach.
In preserved fruit and food, Xinhui Pei-Mui Chan, Chenpi duck and Chenpi wine have their own characteristics in color, aroma and taste. If dried tangerine peel is added to the cooked dish, it can not only remove the fishy smell of the fish, but also make the dish particularly delicious. Desserts such as green bean paste and red bean porridge will be especially fragrant if you add a little tangerine peel.