Chenpi is actually orange peel, so Chenpi is also called orange peel, but not all the orange peel can be made into Chenpi, in the pharmacopoeia of records, in Jiangsu, Zhejiang and Guangdong, Guangxi and Fujian and other regions of the orange, after drying and aging and other special processes after the production can be called Chenpi.

Chenpi is the dried peel of ripe oranges made of medicinal herbs, has a long history of application in China, is also commonly used in traditional Chinese medicine, in the classic work of traditional Chinese medicine, "Shennong Ben Cao Jing," there are records.

Classification of Chenpi

1, Citrus green peel (green peel)

Usually, it refers to the peel processed by harvesting the fruit from the beginning of Autumn to the cold dew of the lunar calendar. At this time, the peel is not colored, physiological immaturity. Outer color greenish brown to greenish black, there are countless slightly concave oil chamber points, do not show wrinkles; inner surface is tight and clean, snow white, light yellowish white to brownish red. Hard, thin skin, volatile oil content is high, taste hard, gas aromatic.

2, slightly red skin (yellow skin / two red skin)

Usually refers to the lunar calendar cold dew to the snow when the harvested fruit processed skin. The rind began to color, but not fully colored, physiology is still not fully mature. The exterior color is tawny to brownish-yellow, with numerous large and concave oil chambers, and the wrinkles are more obvious. The texture is hard, the skin is slightly thick, the taste is pungent with bitter and slightly sweet; the inner surface is snow-white, light yellowish-white to brownish-red, and the sponge is not obvious.

3, big red skin (red skin)

Often refers to the lunar calendar small snow to small cold) harvested fruit processed skin. Fruit skin has been basic coloring, physiology has been basically mature. Outer color brown-red to red-black red, there are countless large and concave oil chamber, wrinkles are very obvious; the inner surface of the snow-white, yellowish-white to brown-red, sponges floating pine-like obvious. The texture is soft, the skin is thick, and the flavor is pungent with a sweet aroma.