Health Benefits of Longan Fruit Brain stimulation. Longan fruit is a source of polyphenols, which are chemical compounds thought to have beneficial health effects ().Among these potential benefits, researchers believe that polyphenols may have a positive impact on a range of health markers including ();Blood pressure Longan fruit extract has all the same benefits of eating the whole fruit raw with a few small added benefits. Longan (Dimocarpus Longan) is a fruit grown in China, India, Thailand, and many other Asian countries. It is the 3rd most prevalent mineral in the body and it is mainly carried by the blood plasma protein, Ceruloplasmin. Health Benefits of Longan Extract. If you want healthier bones, look beyond calcium and vitamin D. Longan fruit extract has been shown to activate osteoblasts, the cells that form bones. 1. Herein are the 10 Health Benefits and Uses of Longan Fruit: Weight loss: Longan fruit contains adequate amount of carbohydrates and water. To learn how the fruit can help you, check out these 7 health benefits of longan. It belongs to the same family (soapberry) as fruits like lychee [ 1 ]. This is why food with high copper content is often classified as “Brain Food”. There are more than 100 inflammatory diseases that this fruit can prevent from developing because of its basic yet powerful anti-inflammatory properties. The fruit is loaded with minerals and vitamins such as vitamin A, B1, B2, B3, C and potassium, zinc, magnesium, calcium, iron, phosphorus, niacin, carbohydrates and protein. Copper is necessary for supporting neurodevelopment and growth, proper cognitive function. 3) Longan Fruit Contains a Range of Polyphenols. Makes Bones Stronger. Anti-inflammatory properties. However, the seeds and flowers can also yield potent extracts.