Ketapang (Terminalia catappa L.) is a plant grown in the tropics for shade plants. Ketapang leaves are a part that is often used in aquaculture as antibacterial, antifungal and antiparasitic. This study aims to determine the content of secondary metabolite compounds and antioxidant activity in ketapang leaves, namely brown leaves and red leaves. The preparation of ketapang leaf extract is carriā¦