What are the functions and effects of oranges?
Oranges are a common fruit that can aid digestion, enhance immunity, improve skin condition, relieve fatigue, and help regulate blood lipid levels. Detailed explanations are as follows:

1. Promote Digestion
Oranges are rich in dietary fiber and natural fruit acids, which help stimulate intestinal motility and improve symptoms of indigestion such as constipation and bloating.
2. Enhance Immunity
Oranges contain abundant vitamin C, which can boost the body's immune system, enhance disease resistance, and help prevent respiratory infections such as colds and coughs.
3. Improve Skin Condition
The vitamin C in oranges helps combat oxidative stress, promotes collagen synthesis, maintains skin elasticity, and can improve skin dullness and aging caused by sun exposure.
4. Relieve Fatigue
The natural sugars in oranges are easily absorbed by the body, providing a quick energy boost to help alleviate weakness and fatigue.
5. Assist in Regulating Blood Lipids
The dietary fiber and flavonoid components in oranges can help lower blood lipid levels, improve circulation, and support cardiovascular health.
When consuming oranges, moderation is key, as excessive intake may cause excess stomach acid and lead to gastrointestinal discomfort. Fresh oranges should be consumed promptly or appropriately refrigerated to prevent nutrient loss and maintain flavor.