Longan is a delicious and highly nutritious fruit. 100g of fresh longan contains approximately 60-70 kcal, and is packed with vitamin C, boosting immunity and providing antioxidants. Additionally, longan is a good source of vitamin B, potassium, magnesium, phosphorus, and fiber, aiding digestion and supporting cardiovascular health. Consuming longan in moderate amounts also benefits bone health, reduces fatigue, and enhances memory.
Who Should Refrain from Eating Longan?
Individuals with Diabetes
Longan has a very high natural sugar content. Consuming longan can rapidly increase blood glucose levels, disrupting blood sugar control and leading to serious complications such as kidney failure, nerve damage, and even stroke. People with diabetes should steer clear of sweet fruits like longan, lychees, and jackfruit.
Overweight and Obese Individuals
Longan is a high-energy fruit, making it unsuitable for those aiming to lose weight or maintain their weight. Every 100 grams of longan contains about 60-70 kcal and a significant amount of sugar. For individuals trying to shed pounds or manage their weight, eating longan can lead to rapid weight gain and further complicate obesity. Moreover, the sugar in longan easily converts into excess body fat.
Pregnant Women, Especially in the First Trimester
According to Traditional Chinese Medicine, longan is considered a heat-inducing and sweet fruit that affects the spleen and heart. It can easily cause internal heat and stimulate blood flow. Pregnant women, especially during the first trimester, should strictly avoid consuming longan as it may lead to constipation, abdominal pain, bleeding, and even threaten miscarriage. Despite its appealing taste and nutritional value, pregnant women are advised to opt for cooler and milder fruits during this sensitive period.
Individuals Prone to Skin Problems and Heat-Related Conditions
During summer, the body is more susceptible to internal heat due to hot weather. Those with a hot constitution may experience acne, mouth ulcers, skin inflammation, heat rash, and itchy hives. Consuming longan can exacerbate these conditions as it significantly increases body heat. Longan’s heat-inducing property can trigger skin redness, itching, and discomfort.
Individuals with High Blood Pressure
People with hypertension should also refrain from eating longan as it is inherently heat-inducing and not beneficial for blood pressure control. Excessive consumption may elevate blood pressure, posing risks to cardiovascular health and overall well-being.
Individuals with Liver Diseases
The liver is responsible for metabolizing nutrients, especially sugars. Individuals with liver conditions such as hepatitis or cirrhosis should avoid longan due to its high sugar content. Excessive sugar intake can overburden the liver, worsening the condition. Moreover, excess sugar can damage liver cells and accelerate the decline of liver function.
