Abstract: Determination the main nutritional components and amino acid composition of 3 parts of Chuanmingshen. Using comparative analysis to identify the differences of 3 parts of Chuanmingshen by nutrients and amino acid contents. The results showed that the Chuanmingshen leaves has the highest content of VC (4.73mg/100g), protein (3.97g/100g), calcium (43.64mg/kg) and iron (7.47mg/kg), and the content of the total amino acid, the essential amino acids and the delicious amino acid in the leaves were higher than that contents in root and stem. In addition, Chuanmingshen leaves has all kinds of essential amino acid, and well-proportioned, and the value is more close to the WHO/FAO recommended value. The conclusion is that Chuanmingshen leaves have high nutritional value and healthcare function, can be used as a natural green food, such as Chuanmingshen leaf tea bag, Chuanmingshen leaf oral liquid, food processing and auxiliary materials, and animal feed.

Key words: Chuanmingshen, nutritional components, amino acid