1.The pulp (fleshy parts that is eaten or juiced) of the Soursop fruit contains high level of fructose, which is a natural sugar. After glucose, fructose is the least-complex carbohydrate and that allows for easier absorption within the system.

2.Guanabana, as it is also called in Central America, has impressive reserves of Vitamin C. Among the many benefits of vitamin C, some include: protection against immune system deficiencies, cardiovascular disease, prenatal health problems, eye disease, and even skin wrinkling.
Read here:
http://nowayobloggers.com/blog/lifes-ultimate/10-surprising-health-benefits-of-soursop