What are the ten major禁忌 (taboos) of eating plums?

Sep 18, 2025 Source: Cainiu Health
Dr. Yu Yongchao
Introduction
On an empty stomach, the concentration of gastric acid in the stomach is relatively high. The organic acids in plums can further irritate the gastric mucosa, potentially causing discomfort such as stomach spasms and acid reflux, with more pronounced effects in individuals with weak gastrointestinal function. People with gastrointestinal disorders should consume plums cautiously; those suffering from conditions such as gastritis or gastric ulcers should avoid eating them altogether. Plums are considered cooling in nature and contain tannic acid, which may increase the digestive burden on the gastrointestinal tract.

Generally speaking, there is no such thing as the "ten major taboos of eating plums." However, several precautions should be observed when consuming plums to avoid discomfort, including avoiding empty stomach consumption, caution for individuals with gastrointestinal disorders, controlling portion size per serving, avoiding concurrent intake with acidic foods, and promptly caring for teeth after eating. The detailed analysis is as follows:

1. Avoid on an empty stomach: When the stomach is empty, gastric acid concentration is relatively high. The organic acids in plums can further irritate the gastric mucosa, potentially causing gastric spasms, acid reflux, and other discomforts—especially noticeable in individuals with weak gastrointestinal function.

2. Caution for those with gastrointestinal diseases: People suffering from gastritis, gastric ulcers, or other gastrointestinal conditions should avoid eating plums. Plums are considered cooling in nature and contain tannins, which may increase the digestive burden on the gastrointestinal tract and exacerbate existing symptoms such as abdominal pain and diarrhea.

3. Control portion size per serving: The amount consumed at one time should be strictly controlled; it is recommended not to eat more than five plums at once. Overconsumption may lead to excessive intake of fruit acids, resulting in oral sourness and a burning sensation in the stomach. Long-term overeating may also impair spleen and stomach function.

4. Avoid combining with acidic foods: Plums should not be eaten together with other acidic foods such as hawthorn, lemon, or vinegar. Combining these foods increases overall acidity in the body, irritating the digestive tract lining and increasing the risk of discomfort such as acid reflux and stomach pain.

5. Practice dental care immediately after eating: Rinse your mouth with water or brush your teeth promptly after consuming plums. The fruit acids and sugars in plums easily adhere to tooth surfaces; if not cleaned regularly, they can erode enamel and increase the likelihood of developing cavities.

Before eating plums, wash them thoroughly by soaking in saltwater to remove surface impurities. If persistent stomach pain, vomiting, or other symptoms occur after consumption, stop eating them immediately and seek medical attention. When purchasing plums, avoid fruits with damaged skin or soft, decayed flesh to ensure food safety.

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