The amino acid and carbohydrate composition of the herb and roots of Smallanthus sonchifolius.

The free and protein-bound amino acid composition of the herb and roots of Smallanthus sonchifolius was analyzed by HPLC method. Fourteen free and fifteen protein-bound amino acids were determined in yacon herb, and three free and fourteen protein-bound amino acids in the roots. Among the free amino acids, proline (0.

Gas chromatography-mass spectrometry study of the root and herb of Smallanthus sonchifolius.

Smallanthus sonchifolius (yacon) is a new prospective plant cultivated in Europe as a natural sugarcane substitute. It is used for diabetes and for the prevention of obesity. The study of carboxylic acids in the roots and herb of S.