Soto-Castro D., Gutiérrez M. C., León-Martínez F. M., Santiago-García P. A., Aragón-Lucero I., Antonio-Antonio F., Spray drying microencapsulation of betalain rich extracts from Escontria chiotilla and Stenocereus queretaroensis fruits using cactus mucilage, Food Chemistry, 2019, 272:715-722, doi: 10.1016/j.foodchem.2018.08.069
The study uses Opuntia ficus-indica mucilage as an extraction medium and encapsulating material for pigments from two cactus fruits. Its results distinguish betalain losses during drying from retention during subsequent storage.