| | Preparation | Typical dose (leaf dry equivalent) | | :--- | :--- | :--- | | Malaria prophylaxis | Cold water extract | 2–5 g leaves in 1 L water, drunk over 24h | | Diabetes | Fresh leaf juice | 20–30 mL twice daily before meals | | Hypertension | Leaf decoction (boiled 10 min) | 5–10 g leaves per cup, 2 cups/day | | Intestinal worms | Root infusion | 2–4 g dried root powder in water, single dose |