Guess what my people, Grapefruits, like oranges and other citrus fruits, contain monoterpenes which are believed to assist in cancer prevention by. guanabana fruit, sliced in half showing size What you never hear is it being described as sour in the same way as a lemon, lime or grapefruit.What does guanabana taste · Antioxidants · Graviola cancer treatment. Soursop (Cancer Treatment) Christopher Silverton-Thong - Personal I'm thinking that was a grapefruit. Soursop (Cancer Treatment) Christopher Silverton-Thong - Personal I'm thinking that was a grapefruit. The taste of the soursop fruit is a delicious combination of strawberry and pineapple, with other sweet and citrus notes that make it very popular. GFruit tea is made from % natural soursop leaves, which are known for their healing properties. One cup of GFruit tea has been said to reduce stress and.