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What are the effects of longan?

2026-05-12 09:19:21

Overview of the efficacy and functions of longan

Longan, also known as longan, is a warming and tonic ingredient that has the same origin as medicine and food. Its main functions include:Enriching blood and calming the nerves, replenishing qi and strengthening the spleen, relieving fatigueWait. Its core ingredients, such as glucose, iron and multiple vitamins, have a significant effect on improving anemia, insomnia and physical weakness. The secondary functions involve beauty and beauty, enhancing immunity, etc. The following is an analysis from the perspective of traditional Chinese medicine theory and modern research.

Efficacy CategorySpecific rolescientific basis
Nourish blood and nourish heartImprove pale complexion and palpitations"Compendium of Materia Medica" records that it "tonifies the heart and spleen"
Soothe the nerves and aid sleepRelieve insomnia and anxietyContains adenosine to regulate the nervous system (researched by China Pharmaceutical University)
Anti-fatiguerestore strengthHigh glucose content provides rapid energy

Traditional application of nourishing blood and nourishing the heart

What are the effects of longan?

Traditional Chinese medicine believes that longan is warm in nature and sweet in taste, and it returns to the heart and spleen meridian. It is especially suitable for those with Qi and blood deficiency after childbirth or surgery. Wang Mengying, a famous doctor in the Qing Dynasty, recorded in "Suixiju Diet Manual" that boiling longan and red dates together can enhance the blood-tonifying effect. Modern research has found that every 100 grams of dried longan contains 3.8 mg of iron, which can help improve iron deficiency anemia. Fujian's "Putian Dried Longan" and Guangdong's "Gaozhou Longan Meat" are representative products.

Extended Efficacy of Modern Research

The journal "Food Chemistry" in 2021 pointed out that longan polysaccharide has antioxidant activity and can reduce free radical damage. Domestic companies such as "Fangjia Puzi" have launched ready-to-eat longan and wolfberry paste, and "Tongrentang" has produced deep-processed products such as longan and donkey-hide gelatin cake. Note: People with yin deficiency and excessive fire should eat less, and the recommended daily intake is no more than 20 pills (fresh product).

Comprehensive suggestions and precautions

Longan is suitable as a warming ingredient in autumn and winter, and can be stewed with lotus seeds and white fungus. When purchasing, it is better to have a complete shell and plump pulp. At present, mainstream brands in the market include "Three Squirrels" dried longan, "Loulan Miyu" freeze-dried longan, etc. Sources cited: "Chinese Materia Medica", Chinese Nutrition Society Dietary Guidelines (2022 Edition).

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