1. P. Satyal and W. Setzer, “Chemical Composition and Biological Activities of Nepalese Piper betle L.,” Ijpha, vol. 1, no. 2, pp. 23–26, 2012.
2. V. Radhalakshmi, M. Raman, and M.R. Joy, “Food Bioscience Physico-chemical characterization of betel leaf and its effect on oxidative stability and shelf-life of coconut oil Foundation of Revitalisation of Local Health Traditions,” Food Biosci., vol. 52, no. September 2022, p. 102343, 2023, doi:10.1016/j.fbio.2022.102343.
3. S.R. Veettil, E. Anuradha Sunil, A. Mukunda, A. Mohan, S. John, and M.K. Pynadath, “Anticancer effect of Piper betle leaf extract on KB cell lines-an in vitro study,” Oral Maxillofac Pathol J, vol. 13, no. 1, pp. 28–31, 2022, [Online]. Available: https://www.ompj.org/archives.
4. Bio-actives of betel leaf (Piper betle L.): a comprehensive review on extraction, isolation, characterization, and biological activity;Madhumita;Phyther. Res.,2020
5. Piper betel leaf: a reservoir of potential xenohormetic nutraceuticals with cancer-fighting properties;Gundala;Cancer Prev. Res.,2014