Hartini YS, Utaminingsih, Julianus J, Patramurti C, Nugroho LH. Secondary Metabolite Profile in Mature and Old Leaves of Four Piper Species: Forest Betel (Piper aduncum L.), Red Betel (Piper crocatum Ruiz & Pav.), Javanese Chili Betel (Piper retrofractum Vahl.), and Green Betel (Piper betle L.). Plant Sci. Today [Internet]. 2024 May 20 [cited 2024 Jul. 3];11(2). Available from: https://horizonepublishing.com/journals/index.php/PST/article/view/3070