Longans, also known as the ” Dragon eye fruits” or Euphoria, are delicious sweet tiny fruits.
Scientific Name of Longan
Dimocarpus longan

Appearance
They are related to the lychee family. Hence it is quite similar to our lychee in terms of looks, and texture. The only difference is that they have a smoother thinner yellowish-brown peel, unlike lychees which have a pink, grainy, tougher skin. Secondly the difference in the taste and flavour profile.
This fruit has a thin yellow-brown peel, its flesh is white translucent, and at the centre, there is a blackish-brown seed (this appearance gives it the name dragon eye ).
The Peel and seed are to be discarded and only the flesh is consumed.
Taste
They taste super sweet, unlike the litchee. In fact, they have their own distinct unusual flavour with a hint of musk.
Availability
These dragon eye fruits are exotic fruits native to South Asia- China, Vietnam, Taiwan, etc. —but they have recently become available in the local Mumbai Market. They are easily available at Foodhall, Nature Basket, and Big Basket.
Nutrition and Nutritional Benefits
Nutritionally speaking, they are low on calories but are comparatively high in carbohydrates, and have zero fat. They are a good source of Vit. C, fiber, antioxidants.
They also provide nutrients like vitamin B complexes, potassium, copper, zinc, etc.
Some literature states that longan is great for the skin, immunity, energy boost, etc.
Medicinal Uses
This fruit has been used in Chinese medicine for ages (not just the fruit but the seeds too. The seeds are used to extract essential oils and other extracts)
Culinary Use
While there are multiple ways one can use these subtle delicious fruits, some of the commonly made dishes include-
-sorbets
– jellies
– salads
– desserts
– puddings
References
https://www.researchgate.net/publication/263162054_Longan_Production_and_Research_in_China