Long Yan Rou/ Longan/ Arillus Longan. As per TCM definition it is sweet in flavour and warm in nature and it covers the Heart and Spleen meridians. It contains a number of vitamins and minerals, including iron, magnesium, phosphorus and potassium and large amounts of vitamins A and C. It is used to relieve rapid heartbeat, insomnia, forgetfulness and anxiety associated with blood and qi deficiency. Combined with other herbs such as ganoderma, it promotes serenity and calms the spirit. It can be eaten raw or cooked and it is also used as a dessert.