Although Sterculia lychnophora can be used both medicinally and as food, it is important to remember that "all medicines have some toxicity." Consuming Sterculia lychnophora without identifying the cause of illness or considering one's constitution can be detrimental to health. Unlike other food-medicine dual-use items such as lily bulbs, lotus seeds, and red beans, Sterculia lychnophora is classified as a pure medicinal herb. When consumed, its toxicity must be excreted through the kidneys and liver. Prolonged use can place a burden on these organ systems.
Modern pharmacological research confirms that Sterculia lychnophora has a cooling nature. It promotes small intestine peristalsis and produces a mild laxative effect. However, prolonged or excessive consumption can weaken the spleen and stomach, leading to side effects such as diarrhea, loss of appetite, chest tightness, and weight loss. Individuals with weak digestive systems may experience these effects more acutely.
For patients already experiencing diarrhea, prolonged use of Sterculia lychnophora may exacerbate the condition. It may also trigger various allergic reactions, including generalized skin itching, lip swelling, dizziness, palpitations, and nausea. Severe cases can be life-threatening.
2. Proper Usage of Pang Da Hai
(1) Traditional Chinese medicine holds that Pang Da Hai should only be used medicinally, and its application must be "targeted to symptoms and discontinued once effective."For example, in acute tonsillitis, steep 3–5 Pang Da Hai seeds in boiling water and consume for two to three days. Discontinue once symptoms subside. For wind-heat colds causing dry throat pain and hoarseness, steep 5 Pang Da Hai seeds and 3 grams of licorice root in tea. Drink for two to three days; if effective, stop; if ineffective, seek medical attention promptly.
(2) During colds, some individuals experience pronounced chills and fever, others primarily suffer from nasal congestion and runny nose, while others are first troubled by sore throat and cough. For the latter case, consider brewing a cup of Sterculia seed.Traditional Chinese medicine classifies it as cold in nature and sweet in taste, with two primary functions: clearing the lungs and soothing the throat, and purging the intestines and relieving constipation. It is thus commonly used for sore throats with colds, dry coughs without phlegm, chronic pharyngitis, and heat-induced constipation. Wind-heat colds often cause throat swelling and pain. Steeping 1–2 seeds as tea for 3–5 days can significantly alleviate throat discomfort.