Tropical, annual vine has bitter taste Culinary use: Soup, curry, and salad. (If you don’t like the bitter taste, parboil with salt and rinse 2-3 times before cooking.) The Thais belive that it is very good for the kidneys and blood. Look for small and firm specimens that are still green when buying. Medicinal use: Mild laxative, antipyretic gargle the fruit juice to relieve an aphthous ulcer.