Sweet Malta Orange Fruit Plant or Sweet Malta Lemon is a delicious and easy-to-peel fruit; rich in vitamins, minerals, and antioxidants, and is generally described as tasting like molasses. It is similar in color to stout (dark brown) but is slightly sweet and the Benefits of Grafted trees produce fruit quicker. Locally grown green sweet orange, or Malta, enhances immunity and has shown to be quite helpful for treating people with anemia. The popular fruit also contains a type of fiber called pectin that helps prevent colon cancer. Nabin Nagar, West Bengal, India.