Pérez-Orozco A. F., Sosa V., Comparative estimations of betalains and sugars in fruits of five species of Selenicereus (Cactaceae), Acta Botanica Mexicana, 2022, (129):e1991, doi: 10.21829/ABM129.2022.1991
Comparison of betalains and sugars in peel and flesh from wild and cultivated fruit.