Prevents Cancer. The host of powerful plant compounds in citron such as antioxidants and flavonoids prevent the formation of cancer cells and enhance the body's ability to combat different types of cancerThe immune system plays a pretty big role in your overall health; it fights off foreign invaders and works hard to keep harmful bacteria, viruses and fungi out of the body to prevent disease.Citron is also an excellent source of pectin, a type of soluble fiber