Ultrasound-Assisted Extraction of Betalains from the Amaranthus Using Natural Deep Eutectic Solvents. - Gupta, Vivek; Saraswat, Vaishali; Alagarasan, Ganesh; Nallamilli, Trivikram; Ramireddy, Eswarayya; K.S.M.S., Raghavarao (Plant Foods for Human Nutrition, 2025)