LATIN NAME: Euphoria Longan.

FAMILY: Sapindaceae.

GENUS: Dimocarpus.

BOTANICAL INFORMATION: An evergreen tree that is cultivated in China, Thailand, Taiwan, Vietnam and Indonesia for edible fruits; It is a species of the genus Dimocarpus in the family Sapindaceae. The trees are about 10 meters high, but sometimes they can reach 40 m in height. The color of a strong inedible outer shell of the fruit is from a spotty yellow to a reddish color. 

ACTIONS: anthelmintic, antipyretic, tonic, soothing, antibacterial, antiviral, antioxidant, anti-inflammatory and anti-cancer.

CHEMICAL COMPOSITION: Fruits contain a lot of sugar, vitamin C, calcium, iron and phosphorus, as well as a variety of bio acids, useful for the skin. The peel of the ripe fruit should be dense, without cracks.


  • shows strong antioxidant activity
  • can somewhat slow down the aging of cells, because it is saturated with gallic and ellagic acids
  • can exhibit anticancer activity

Extract of longan flowers

  • can suppress oxidative and inflammatory processes
  • increases coronary blood flow
  • reduces blood pressure
  • triglyceride levels and body weight
  • has a positive effect in metabolic diseases, such as diabetes mellitus

Extracts of longan seeds and flowers

  • show anti-cancer activity in colorectal cancer, liver, lung, cervix and breast cancer
  • capable of inducing cell cycle arrest and apoptosis

The extract of longan flowers can also be used as a remedy for neoplasm. The pulp of longan is used for the treatment of stomach diseases, as anthelmintic and antipyretic agents. Longan contains riboflavin and is a natural source of polysaccharides, maintaining health at the cellular level, improves the body's immune function. In traditional Chinese medicine, longan is used mainly as a tonic.

Tonification is required for diseases whose symptoms are fatigue, dizziness, palpitations, paleness and blurred vision. In addition, longan fruit is used to normalize sleep, reduce unreasonable excitement, soothe and improve concentration.

Longana fruit was used in traditional Chinese medicine to improve metabolism; it calms the nervous system. In the Chinese pharmacopoeia Quanzhou (Herbal Quanzhou) it was noted that the water extract of longan flowers helps with dysfunction of urination. Powder from dried longan seeds can be used to treat bleeding, dropsy, hernia, scabies and eczema, with an increase in the lymph nodes of the neck and underarms.


The plant does not contain any poisonous substances, therefore it cannot cause harm to health, except for cases when a person is allergic to an exotic fruit.

“When eating a fruit think of the person who planted the tree”

Vietnamese proverb

*This article is for informational purposes only. We suggest consulting with a physician before using these or any other herbal supplements.