Experts note that individuals with weak spleen and stomach function may benefit from eating sweet potatoes in winter to strengthen the spleen and kidneys. However, those with poor digestion or on an empty stomach should avoid them. Daily consumption should not exceed 3-4 ounces, and eating sweet potatoes with black spots or burnt areas may cause poisoning. Below, we detail why sweet potatoes should not be eaten on an empty stomach.
Midday is the optimal time to eat sweet potatoes.Traditional Chinese medicine classifies sweet potatoes as sweet and neutral in nature, entering the spleen and stomach meridians. They are believed to fortify the spleen and stomach, boost vitality, and promote digestive health. For those with weak spleen and stomach, sweet potatoes can strengthen the spleen and nourish the kidneys. Winter's dry climate also makes sweet potatoes particularly beneficial, as classical texts note that eating them raw can generate fluids and quench thirst.
Regarding the optimal time of day, it's best to eat sweet potatoes at noon. This allows several hours for digestion and absorption. Eating them at night may lead to excess sugar that the body cannot fully process, potentially causing bloating.
Avoid pairing sweet potatoes with sugary foods.
Sweet potatoes are high in sugar. Eating them on an empty stomach can trigger excessive stomach acid production. This excess acid irritates the stomach lining, causing acid reflux and heartburn. Sweet potatoes also contain an oxidase enzyme that produces large amounts of carbon dioxide gas in the digestive tract, leading to bloating and belching.
Individuals with gastric ulcers or bloating should avoid sweet potatoes. Their sugars stimulate excessive gastric acid production, increasing intra-gastric pressure. For those with sensitive stomachs, this can irritate ulcerated areas or the gastric mucosa, causing discomfort.Additionally, sweet potatoes should not be consumed with overly sweet foods. Since sweet potatoes are naturally sweet, pairing them with sweets increases the likelihood of gastroesophageal reflux. Avoid eating baked sweet potatoes with the skin on. Sweet potatoes contain high levels of fiber and starch. Excessive consumption may cause bloating and belching, but moderate intake can stimulate bowel movements and promote digestion.
Chief Physician Yang Xiaojun also emphasizes that baked sweet potatoes should ideally be eaten without the skin. Sweet potatoes contaminated with black spot disease bacteria become difficult to identify after baking. Therefore, avoid consuming sweet potatoes with black spots or charred areas, as they may cause poisoning.Moreover, street-side roasted sweet potatoes are often cooked over coal fires. Coal combustion releases significant amounts of harmful substances like sulfur dioxide, making frequent consumption of such street food detrimental to health. This concludes our explanation of why sweet potatoes should not be eaten on an empty stomach. We hope this information proves helpful. Wishing you good health and smooth sailing this winter.