Ligia Carmona Infante did a chemical analysis of Tropical Health Foods carao in May, 2004, as part of her master's degree in Chemistry at the University of Costa Rica. The results are given below:
| Humidity | 35% |
| Tannins | 14.2% |
| Carbohydrates | 32.9% |
| Ash | 32.11% |
| Iron | 14 ppm |
| Calcium | 51 ppm |
| phosphorus | .2% |
| magnesium | 151 ppm |
| Phytic Acid | 5.4 % |