FARIDAH, Anni; HOLINESTI, Rahmi; SYUKRI, Daimon. Betalains from Red Pitaya Peel (Hylocereus polyrhizus): Extraction, Spectrophotometric and HPLC-DAD Identification, Bioactivity and Toxicity Screening. Pakistan Journal of Nutrition, Pakistan, v. 14, n. 12, p. 976–982, 2015. DOI: 10.3923/pjn.2015.976.982. Disponível em: https://pjnonline.org/pjn/article/view/2250. Acesso em: 26 aug. 2025.